/* CSS ULTRAPROFESIONAL - SHOPIFY ENTERPRISE GRADE */
/* VERSIÓN MINIMALISTA CON FUTURA - RESPONSIVE HASTA 360PX */

:root {
  /* COLOR SYSTEM - ELEGANT MONOCHROME (MÁS SUAVE) */
  --black: #000000;
  --white: #ffffff;
  --gray-50: #fcfcfc;
  --gray-100: #f8f8f8;
  --gray-200: #f0f0f0;
  --gray-300: #e0e0e0;
  --gray-400: #b0b0b0;
  --gray-500: #707070;
  --gray-600: #505050;
  --gray-700: #383838;
  --gray-800: #202020;
  --gray-900: #101010;
  
  /* SPACING SCALE - 8-POINT GRID (AJUSTADO MÁS FINO) */
  --space-0: 0;
  --space-1: 0.125rem;
  --space-2: 0.25rem;
  --space-3: 0.5rem;
  --space-4: 0.75rem;
  --space-5: 1rem;
  --space-6: 1.5rem;
  --space-7: 2rem;
  --space-8: 3rem;
  --space-9: 4rem;
  --space-10: 6rem;
  --space-11: 8rem;
  --space-12: 12rem;
  
  /* TYPOGRAPHY SCALE (MÁS FINO) */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* BORDER RADIUS (MÁS SUTIL) */
  --radius-none: 0;
  --radius-sm: 0.125rem;
  --radius-md: 0.25rem;
  --radius-lg: 0.375rem;
  --radius-xl: 0.5rem;
  --radius-2xl: 0.75rem;
  --radius-3xl: 1rem;
  --radius-full: 9999px;
  
  /* ANIMATION CURVES */
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-linear: linear;
  
  /* OPACITY VALUES */
  --opacity-0: 0;
  --opacity-5: 0.05;
  --opacity-10: 0.1;
  --opacity-20: 0.2;
  --opacity-25: 0.25;
  --opacity-30: 0.3;
  --opacity-40: 0.4;
  --opacity-50: 0.5;
  --opacity-60: 0.6;
  --opacity-70: 0.7;
  --opacity-75: 0.75;
  --opacity-80: 0.8;
  --opacity-90: 0.9;
  --opacity-95: 0.95;
  --opacity-100: 1;
  
  /* SHADOWS (MÁS SUTILES) */
  --shadow-xs: 0 0 0 1px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.03), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.08);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.02);
  --shadow-none: none;
  
  /* BORDER WIDTHS */
  --border-none: 0;
  --border-sm: 0.5px;
  --border-md: 1px;
  --border-lg: 2px;
  --border-xl: 4px;
  
  /* Z-INDEX SYSTEM */
  --z-0: 0;
  --z-10: 10;
  --z-20: 20;
  --z-30: 30;
  --z-40: 40;
  --z-50: 50;
  --z-auto: auto;
  
  /* MAX WIDTHS */
  --max-w-xs: 20rem;
  --max-w-sm: 24rem;
  --max-w-md: 28rem;
  --max-w-lg: 32rem;
  --max-w-xl: 36rem;
  --max-w-2xl: 42rem;
  --max-w-3xl: 48rem;
  --max-w-4xl: 56rem;
  --max-w-5xl: 64rem;
  --max-w-6xl: 72rem;
  --max-w-7xl: 80rem;
  --max-w-full: 100%;
  --max-w-screen-sm: 640px;
  --max-w-screen-md: 768px;
  --max-w-screen-lg: 1024px;
  --max-w-screen-xl: 1280px;
  --max-w-screen-2xl: 1536px;
  
  /* MIN WIDTHS */
  --min-w-0: 0;
  --min-w-full: 100%;
  --min-w-min: min-content;
  --min-w-max: max-content;
  --min-w-fit: fit-content;
  
  /* MIN HEIGHTS */
  --min-h-0: 0;
  --min-h-full: 100%;
  --min-h-screen: 100vh;
  --min-h-min: min-content;
  --min-h-max: max-content;
  --min-h-fit: fit-content;
  
  /* LINE HEIGHTS */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* LETTER SPACING */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;
  
  /* GRID TEMPLATES */
  --grid-cols-1: repeat(1, minmax(0, 1fr));
  --grid-cols-2: repeat(2, minmax(0, 1fr));
  --grid-cols-3: repeat(3, minmax(0, 1fr));
  --grid-cols-4: repeat(4, minmax(0, 1fr));
  --grid-cols-5: repeat(5, minmax(0, 1fr));
  --grid-cols-6: repeat(6, minmax(0, 1fr));
  --grid-cols-7: repeat(7, minmax(0, 1fr));
  --grid-cols-8: repeat(8, minmax(0, 1fr));
  --grid-cols-9: repeat(9, minmax(0, 1fr));
  --grid-cols-10: repeat(10, minmax(0, 1fr));
  --grid-cols-11: repeat(11, minmax(0, 1fr));
  --grid-cols-12: repeat(12, minmax(0, 1fr));
  
  /* FLEX BASIS */
  --basis-0: 0;
  --basis-1: 0.25rem;
  --basis-2: 0.5rem;
  --basis-3: 0.75rem;
  --basis-4: 1rem;
  --basis-5: 1.25rem;
  --basis-6: 1.5rem;
  --basis-7: 1.75rem;
  --basis-8: 2rem;
  --basis-9: 2.25rem;
  --basis-10: 2.5rem;
  --basis-11: 2.75rem;
  --basis-12: 3rem;
  --basis-14: 3.5rem;
  --basis-16: 4rem;
  --basis-20: 5rem;
  --basis-24: 6rem;
  --basis-28: 7rem;
  --basis-32: 8rem;
  --basis-36: 9rem;
  --basis-40: 10rem;
  --basis-44: 11rem;
  --basis-48: 12rem;
  --basis-52: 13rem;
  --basis-56: 14rem;
  --basis-60: 15rem;
  --basis-64: 16rem;
  --basis-72: 18rem;
  --basis-80: 20rem;
  --basis-96: 24rem;
  --basis-auto: auto;
  --basis-px: 1px;
  --basis-full: 100%;
  
  /* TRANSITION DURATIONS */
  --duration-75: 75ms;
  --duration-100: 100ms;
  --duration-150: 150ms;
  --duration-200: 200ms;
  --duration-300: 300ms;
  --duration-500: 500ms;
  --duration-700: 700ms;
  --duration-1000: 1000ms;
  
  /* TRANSITION DELAYS */
  --delay-75: 75ms;
  --delay-100: 100ms;
  --delay-150: 150ms;
  --delay-200: 200ms;
  --delay-300: 300ms;
  --delay-500: 500ms;
  --delay-700: 700ms;
  --delay-1000: 1000ms;
  
  /* ASPECT RATIOS */
  --aspect-auto: auto;
  --aspect-square: 1 / 1;
  --aspect-video: 16 / 9;
}

/* FONT FACE PARA FUTURA */
@font-face {
  font-family: 'Futura';
  src: url('https://fonts.cdnfonts.com/css/futura-std-4') format('woff2'),
       local('Futura Std'),
       local('Futura-Std'),
       local('Futura');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Futura';
  src: url('https://fonts.cdnfonts.com/css/futura-std-4') format('woff2'),
       local('Futura Std Book'),
       local('Futura-Std-Book');
  font-weight: 350;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Futura';
  src: url('https://fonts.cdnfonts.com/css/futura-std-4') format('woff2'),
       local('Futura Std Medium'),
       local('Futura-Std-Medium');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Futura';
  src: url('https://fonts.cdnfonts.com/css/futura-std-4') format('woff2'),
       local('Futura Std Demi'),
       local('Futura-Std-Demi');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Futura';
  src: url('https://fonts.cdnfonts.com/css/futura-std-4') format('woff2'),
       local('Futura Std Bold'),
       local('Futura-Std-Bold');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Futura';
  src: url('https://fonts.cdnfonts.com/css/futura-std-4') format('woff2'),
       local('Futura Std Heavy'),
       local('Futura-Std-Heavy');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* RESET PROFESSIONAL - MÁS MINIMALISTA */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1;
  backface-visibility: hidden;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: 'Futura', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-weight: 350;
  line-height: var(--leading-normal);
  color: var(--gray-900);
  background-color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
  width: 100%;
  letter-spacing: var(--tracking-tight);
  text-rendering: geometricPrecision;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
  outline: none;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* NAVIGATION - ENTERPRISE LEVEL (MÁS MINIMALISTA) */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3.0rem;
  background-color: var(--white);
  border-bottom: var(--border-sm) solid var(--gray-200);
  padding: 0 var(--space-7);
  display: flex;
  align-items: center;
  z-index: var(--z-50);
  backdrop-filter: saturate(180%) blur(10px);
  background-color: rgba(255, 255, 255, 0.97);
  transition: all var(--duration-200) var(--ease-in-out);
  width: 100%;
  max-width: 100vw;
}

.navbar.scrolled {
  height: 4rem;
  border-bottom-color: var(--gray-100);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  width: 80%;
  max-width: var(--max-w-screen-2xl);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.logo {
  font-size: var(--text-xl);
  font-weight: 400;
  letter-spacing: var(--tracking-tighter);
  color: var(--black);
  text-decoration: none;
  transition: opacity var(--duration-200) var(--ease-in-out);
  flex-shrink: 0;
  white-space: nowrap;
  font-feature-settings: "smcp" 1;
}

.logo:hover {
  opacity: var(--opacity-70);
}

.logo:active {
  opacity: var(--opacity-90);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-7);
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 350;
  color: var(--gray-600);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  position: relative;
  transition: color var(--duration-200) var(--ease-in-out);
  white-space: nowrap;
  letter-spacing: var(--tracking-wide);
}

.nav-links a:hover {
  color: var(--black);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: var(--border-sm);
  background-color: var(--black);
  transition: width var(--duration-300) var(--ease-in-out);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--black);
  font-weight: 400;
}

.nav-links a.active::after {
  width: 100%;
}

.nav-links a i {
  font-size: 1.125rem;
  width: 1.125rem;
  height: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* AUTHENTICATION SYSTEM - PREMIUM (MÁS MINIMALISTA) */
.login-page-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-9) var(--space-5);
  background-color: var(--gray-50);
  position: relative;
  overflow: hidden;
  width: 100%;
}

/* BACKGROUND PATTERN - SÚPER SUTIL */
.login-page-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(0, 0, 0, 0.01) 0%, transparent 10%),
    radial-gradient(circle at 90% 80%, rgba(0, 0, 0, 0.01) 0%, transparent 10%);
  pointer-events: none;
  z-index: var(--z-0);
}

.login-box {
  width: 100%;
  max-width: var(--max-w-md);
  background-color: var(--white);
  border: var(--border-sm) solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  position: relative;
  z-index: var(--z-10);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-300) var(--ease-in-out);
  margin: 0 auto;
}

.login-box:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-0.125rem);
}

.form-title {
  font-size: var(--text-2xl);
  font-weight: 400;
  text-align: center;
  color: var(--gray-900);
  margin-bottom: var(--space-7);
  letter-spacing: var(--tracking-tighter);
  line-height: var(--leading-tight);
}

/* FORM CONTROLS - PREMIUM (MÁS FINO) */
.input-group {
  margin-bottom: var(--space-6);
  position: relative;
}

.input-group label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--gray-600);
  margin-bottom: var(--space-3);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  line-height: var(--leading-tight);
}

.input-with-icon {
  position: relative;
  display: block;
}

.input-with-icon i {
  position: absolute;
  left: var(--space-5);
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: 1rem;
  pointer-events: none;
  transition: color var(--duration-200) var(--ease-in-out);
  z-index: var(--z-10);
}

.input-with-icon input {
  width: 100%;
  padding: var(--space-5) var(--space-5) var(--space-5) 3rem;
  border: var(--border-sm) solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--gray-900);
  background-color: var(--white);
  transition: all var(--duration-200) var(--ease-in-out);
  height: 3rem;
  appearance: none;
  -webkit-appearance: none;
  font-weight: 350;
  letter-spacing: var(--tracking-normal);
  line-height: var(--leading-normal);
}

.input-with-icon input:hover {
  border-color: var(--gray-400);
}

.input-with-icon input:focus {
  outline: none;
  border-color: var(--black);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.02);
}

.input-with-icon input:focus + i {
  color: var(--black);
}

.input-with-icon input.error {
  border-color: var(--gray-500);
  background-color: var(--gray-50);
}

.input-with-icon input.error:focus {
  border-color: var(--gray-700);
  box-shadow: 0 0 0 2px rgba(120, 120, 120, 0.1);
}

.input-with-icon input.success {
  border-color: var(--gray-400);
}

.input-with-icon input.success:focus {
  border-color: var(--gray-600);
}

.input-with-icon input.disabled {
  background-color: var(--gray-100);
  color: var(--gray-500);
  cursor: not-allowed;
  opacity: var(--opacity-70);
}

.input-with-icon input.disabled:hover {
  border-color: var(--gray-300);
}

.input-with-icon input::placeholder {
  color: var(--gray-400);
  font-weight: 350;
  letter-spacing: var(--tracking-normal);
}

.input-with-icon input::-webkit-input-placeholder {
  color: var(--gray-400);
  font-weight: 350;
}

.input-with-icon input::-moz-placeholder {
  color: var(--gray-400);
  font-weight: 350;
  opacity: 1;
}

.input-with-icon input:-ms-input-placeholder {
  color: var(--gray-400);
  font-weight: 350;
}

.input-with-icon input::-ms-input-placeholder {
  color: var(--gray-400);
  font-weight: 350;
}

/* PASSWORD VISIBILITY TOGGLE (MÁS SUTIL) */
.toggle-password {
  position: absolute;
  right: var(--space-5);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--duration-200) var(--ease-in-out);
  z-index: var(--z-20);
  -webkit-tap-highlight-color: transparent;
}

.toggle-password:hover {
  background-color: var(--gray-100);
  color: var(--gray-600);
}

.toggle-password:active {
  background-color: var(--gray-200);
  transform: translateY(-50%) scale(0.95);
}

.toggle-password svg {
  width: 1.25rem;
  height: 1.25rem;
  stroke-width: 1.5;
  transition: transform var(--duration-200) var(--ease-in-out);
}

.toggle-password:hover svg {
  transform: scale(1.05);
}

.toggle-password.active {
  color: var(--gray-700);
}

.toggle-password.active:hover {
  color: var(--gray-900);
}

/* FORGOT PASSWORD LINK (MÁS DELICADO) */
.forgot-password {
  margin-top: var(--space-4);
  text-align: right;
}

.forgot-link {
  font-size: var(--text-xs);
  font-weight: 350;
  color: var(--gray-500);
  text-decoration: none;
  transition: color var(--duration-200) var(--ease-in-out);
  position: relative;
  display: inline-block;
  letter-spacing: var(--tracking-wide);
}

.forgot-link::after {
  content: '';
  position: absolute;
  bottom: -0.125rem;
  left: 0;
  width: 0;
  height: var(--border-sm);
  background-color: var(--gray-500);
  transition: width var(--duration-300) var(--ease-in-out);
}

.forgot-link:hover {
  color: var(--gray-800);
}

.forgot-link:hover::after {
  width: 100%;
}

.forgot-link:active {
  color: var(--black);
}

/* BUTTONS - PROFESSIONAL (MÁS MINIMALISTA) */
.login-btn,
.register-btn {
  width: 100%;
  padding: var(--space-5);
  background-color: var(--black);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 400;
  cursor: pointer;
  transition: all var(--duration-200) var(--ease-in-out);
  margin-top: var(--space-6);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  line-height: var(--leading-none);
}

.login-btn::before,
.register-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  transform: translate(-50%, -50%);
  transition: width var(--duration-400) var(--ease-in-out), height var(--duration-400) var(--ease-in-out);
}

.login-btn:hover::before,
.register-btn:hover::before {
  width: 300px;
  height: 300px;
}

.login-btn:hover,
.register-btn:hover {
  background-color: var(--gray-900);
  transform: translateY(-0.0625rem);
  box-shadow: var(--shadow-md);
}

.login-btn:active,
.register-btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.login-btn:disabled,
.register-btn:disabled {
  background-color: var(--gray-300);
  color: var(--gray-500);
  cursor: not-allowed;
  opacity: var(--opacity-70);
  transform: none;
  box-shadow: none;
}

.login-btn:disabled:hover::before,
.register-btn:disabled:hover::before {
  width: 0;
  height: 0;
}

.login-btn:disabled:hover,
.register-btn:disabled:hover {
  background-color: var(--gray-300);
  transform: none;
  box-shadow: none;
}

.login-btn.loading,
.register-btn.loading {
  position: relative;
  color: transparent;
}

.login-btn.loading::after,
.register-btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1.25rem;
  height: 1.25rem;
  border: var(--border-sm) solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--white);
  border-radius: var(--radius-full);
  animation: button-spinner 0.6s linear infinite;
}

@keyframes button-spinner {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* DIVIDER - ELEGANT (MÁS FINO) */
.divider {
  display: flex;
  align-items: center;
  margin: var(--space-7) 0;
  color: var(--gray-400);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  position: relative;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: var(--border-sm);
  background: linear-gradient(90deg, transparent, var(--gray-300), transparent);
}

.divider span {
  padding: 0 var(--space-5);
  background-color: var(--white);
  font-weight: 350;
  line-height: var(--leading-none);
}

/* TOGGLE BUTTONS (MÁS DISCRETOS) */
.register-toggle-btn,
.login-toggle-btn {
  width: 100%;
  padding: var(--space-5);
  background-color: var(--white);
  color: var(--gray-800);
  border: var(--border-sm) solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 400;
  cursor: pointer;
  transition: all var(--duration-200) var(--ease-in-out);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  line-height: var(--leading-none);
}

.register-toggle-btn:hover,
.login-toggle-btn:hover {
  border-color: var(--gray-800);
  background-color: var(--gray-50);
  transform: translateY(-0.0625rem);
}

.register-toggle-btn:active,
.login-toggle-btn:active {
  transform: translateY(0);
  background-color: var(--gray-100);
}

.register-toggle-btn:disabled,
.login-toggle-btn:disabled {
  background-color: var(--gray-100);
  color: var(--gray-400);
  border-color: var(--gray-200);
  cursor: not-allowed;
  opacity: var(--opacity-70);
  transform: none;
}

.register-toggle-btn:disabled:hover,
.login-toggle-btn:disabled:hover {
  border-color: var(--gray-200);
  background-color: var(--gray-100);
  transform: none;
}

/* FORM STATES (IGUAL) */
.active-form {
  display: block !important;
  animation: fadeIn var(--duration-300) var(--ease-out);
}

.register-form,
.login-form {
  display: none;
}

@keyframes fadeIn {
  from {
    opacity: var(--opacity-0);
    transform: translateY(0.625rem);
  }
  to {
    opacity: var(--opacity-100);
    transform: translateY(0);
  }
}

/* FORM VALIDATION STYLES */
.form-message {
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 350;
  line-height: var(--leading-tight);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  display: none;
}

.form-message.error {
  display: block;
  color: var(--gray-700);
  background-color: var(--gray-100);
  border: var(--border-sm) solid var(--gray-300);
}

.form-message.success {
  display: block;
  color: var(--gray-600);
  background-color: var(--gray-50);
  border: var(--border-sm) solid var(--gray-200);
}

.form-message.info {
  display: block;
  color: var(--gray-600);
  background-color: var(--gray-50);
  border: var(--border-sm) solid var(--gray-200);
}

/* FORM GROUP STATES */
.form-group {
  margin-bottom: var(--space-6);
}

.form-group.error .input-with-icon input {
  border-color: var(--gray-500);
}

.form-group.error .form-message {
  display: block;
  color: var(--gray-700);
}

.form-group.success .input-with-icon input {
  border-color: var(--gray-400);
}

.form-group.success .form-message {
  display: block;
  color: var(--gray-600);
}

/* PASSWORD STRENGTH INDICATOR */
.password-strength {
  margin-top: var(--space-3);
  display: none;
}

.password-strength.visible {
  display: block;
}

.strength-meter {
  height: 0.25rem;
  background-color: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-2);
}

.strength-fill {
  height: 100%;
  width: 0;
  border-radius: var(--radius-full);
  transition: width var(--duration-300) var(--ease-in-out), background-color var(--duration-300) var(--ease-in-out);
}

.strength-fill.weak {
  width: 33.333%;
  background-color: var(--gray-500);
}

.strength-fill.fair {
  width: 66.666%;
  background-color: var(--gray-400);
}

.strength-fill.good {
  width: 100%;
  background-color: var(--gray-300);
}

.strength-fill.strong {
  width: 100%;
  background-color: var(--gray-200);
}

.strength-text {
  font-size: var(--text-xs);
  color: var(--gray-500);
  font-weight: 350;
  letter-spacing: var(--tracking-normal);
}

/* TERMS AND CONDITIONS */
.terms-agreement {
  margin-top: var(--space-6);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.terms-checkbox {
  margin-top: 0.1875rem;
  flex-shrink: 0;
}

.terms-checkbox input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  border: var(--border-sm) solid var(--gray-300);
  border-radius: var(--radius-sm);
  appearance: none;
  -webkit-appearance: none;
  background-color: var(--white);
  cursor: pointer;
  transition: all var(--duration-200) var(--ease-in-out);
  position: relative;
}

.terms-checkbox input[type="checkbox"]:hover {
  border-color: var(--gray-400);
}

.terms-checkbox input[type="checkbox"]:checked {
  background-color: var(--black);
  border-color: var(--black);
}

.terms-checkbox input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  width: 0.375rem;
  height: 0.625rem;
  border: solid var(--white);
  border-width: 0 var(--border-sm) var(--border-sm) 0;
}

.terms-checkbox input[type="checkbox"]:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.05);
}

.terms-label {
  font-size: var(--text-xs);
  color: var(--gray-600);
  line-height: var(--leading-snug);
  font-weight: 350;
}

.terms-label a {
  color: var(--gray-800);
  text-decoration: underline;
  text-underline-offset: 0.125rem;
  transition: color var(--duration-200) var(--ease-in-out);
}

.terms-label a:hover {
  color: var(--black);
}

/* SOCIAL LOGIN OPTIONS */
.social-login {
  margin-top: var(--space-7);
}

.social-title {
  font-size: var(--text-xs);
  text-align: center;
  color: var(--gray-500);
  margin-bottom: var(--space-5);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  font-weight: 350;
}

.social-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.social-btn {
  padding: var(--space-4);
  border: var(--border-sm) solid var(--gray-300);
  border-radius: var(--radius-md);
  background-color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-200) var(--ease-in-out);
  cursor: pointer;
}

.social-btn:hover {
  border-color: var(--gray-400);
  background-color: var(--gray-50);
  transform: translateY(-0.0625rem);
}

.social-btn:active {
  transform: translateY(0);
  background-color: var(--gray-100);
}

.social-btn i {
  font-size: 1.25rem;
  color: var(--gray-600);
}

.social-btn.google i {
  color: var(--gray-700);
}

.social-btn.facebook i {
  color: var(--gray-700);
}

.social-btn.apple i {
  color: var(--gray-700);
}

/* REMEMBER ME CHECKBOX */
.remember-me {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.remember-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.remember-checkbox input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  border: var(--border-sm) solid var(--gray-300);
  border-radius: var(--radius-sm);
  appearance: none;
  -webkit-appearance: none;
  background-color: var(--white);
  cursor: pointer;
  transition: all var(--duration-200) var(--ease-in-out);
  position: relative;
}

.remember-checkbox input[type="checkbox"]:hover {
  border-color: var(--gray-400);
}

.remember-checkbox input[type="checkbox"]:checked {
  background-color: var(--black);
  border-color: var(--black);
}

.remember-checkbox input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  width: 0.375rem;
  height: 0.625rem;
  border: solid var(--white);
  border-width: 0 var(--border-sm) var(--border-sm) 0;
}

.remember-checkbox input[type="checkbox"]:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.05);
}

.remember-label {
  font-size: var(--text-sm);
  color: var(--gray-600);
  font-weight: 350;
  user-select: none;
}

/* LOADING STATES */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  z-index: var(--z-30);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-300) var(--ease-in-out);
}

.loading-overlay.active {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: var(--border-md) solid var(--gray-200);
  border-top-color: var(--black);
  border-radius: var(--radius-full);
  animation: loading-spin 0.8s linear infinite;
}

@keyframes loading-spin {
  to {
    transform: rotate(360deg);
  }
}

/* TOAST NOTIFICATIONS */
.toast-container {
  position: fixed;
  top: var(--space-7);
  right: var(--space-7);
  z-index: var(--z-40);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: var(--max-w-sm);
}

.toast {
  padding: var(--space-5);
  background-color: var(--white);
  border: var(--border-sm) solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  animation: toast-slide-in 0.3s var(--ease-out);
  transform: translateX(0);
  transition: all var(--duration-300) var(--ease-in-out);
}

.toast.hiding {
  transform: translateX(100%);
  opacity: var(--opacity-0);
}

.toast-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toast-icon i {
  font-size: 1.25rem;
}

.toast.success .toast-icon i {
  color: var(--gray-600);
}

.toast.error .toast-icon i {
  color: var(--gray-700);
}

.toast.info .toast-icon i {
  color: var(--gray-500);
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--gray-900);
  margin-bottom: var(--space-1);
}

.toast-message {
  font-size: var(--text-xs);
  color: var(--gray-600);
  line-height: var(--leading-snug);
  font-weight: 350;
}

.toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: var(--space-1);
  transition: color var(--duration-200) var(--ease-in-out);
  display: flex;
  align-items: center;
  justify-content: center;
}

.toast-close:hover {
  color: var(--gray-600);
}

.toast-close i {
  font-size: 1rem;
}

@keyframes toast-slide-in {
  from {
    transform: translateX(100%);
    opacity: var(--opacity-0);
  }
  to {
    transform: translateX(0);
    opacity: var(--opacity-100);
  }
}

/* ULTRA-RESPONSIVE BREAKPOINTS - HASTA 360PX */

/* BREAKPOINT: 1536px (2XL) */
@media (max-width: 1536px) {
  .nav-container {
    max-width: var(--max-w-screen-xl);
  }
}

/* BREAKPOINT: 1280px (XL) */
@media (max-width: 1280px) {
  .navbar {
    padding: 0 var(--space-6);
  }
  
  .nav-links {
    gap: var(--space-6);
  }
  
  .nav-container {
    max-width: var(--max-w-screen-lg);
  }
}

/* BREAKPOINT: 1024px (LG) - LARGE TABLETS & SMALL DESKTOPS */
@media (max-width: 1024px) {
  :root {
    --space-7: 1.75rem;
    --space-8: 2.5rem;
    --space-9: 3.5rem;
  }
  
  .navbar {
    padding: 0 var(--space-5);
  }
  
  .nav-links {
    gap: var(--space-5);
  }
  
  .nav-links a {
    font-size: var(--text-xs);
  }
  
  .login-page-container {
    padding: var(--space-8) var(--space-5);
  }
  
  .login-box {
    max-width: var(--max-w-lg);
    padding: var(--space-7);
  }
  
  .form-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-6);
  }
  
  .social-buttons {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
  }
}

/* BREAKPOINT: 900px (TABLET LANDSCAPE) */
@media (max-width: 900px) {
  .nav-links {
    gap: var(--space-4);
  }
  
  .nav-links a i {
    font-size: 1rem;
  }
  
  .nav-links li:not(:last-child) span {
    display: none;
  }
  
  .logo {
    font-size: var(--text-lg);
  }
  
  .login-box {
    max-width: var(--max-w-md);
  }
}

/* BREAKPOINT: 768px (MD) - TABLETS */
@media (max-width: 768px) {
  :root {
    --space-6: 1.25rem;
    --space-7: 1.5rem;
    --space-8: 2rem;
    --space-9: 3rem;
    --space-10: 4rem;
  }
  
  .navbar {
    height: 4rem;
    padding: 0 var(--space-5);
  }
  
  .logo {
    font-size: var(--text-base);
  }
  
  .nav-links {
    gap: var(--space-4);
    padding: var(--space-2) 0;
  }
  
  .nav-links a {
    font-size: var(--text-xs);
    padding: var(--space-2) 0;
  }
  
  .nav-links a i {
    font-size: 0.875rem;
    width: 0.875rem;
    height: 0.875rem;
  }
  
  .login-page-container {
    padding: var(--space-7) var(--space-4);
    padding-top: 5rem;
  }
  
  .login-box {
    padding: var(--space-6);
    border-width: 0.5px;
  }
  
  .form-title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-5);
  }
  
  .input-group {
    margin-bottom: var(--space-5);
  }
  
  .input-with-icon input {
    height: 2.75rem;
    padding: var(--space-4) var(--space-4) var(--space-4) 2.75rem;
    font-size: var(--text-sm);
  }
  
  .input-with-icon i {
    left: var(--space-4);
    font-size: 0.875rem;
  }
  
  .toggle-password {
    right: var(--space-4);
    padding: var(--space-2);
  }
  
  .toggle-password svg {
    width: 1rem;
    height: 1rem;
  }
  
  .login-btn,
  .register-btn,
  .register-toggle-btn,
  .login-toggle-btn {
    padding: var(--space-4);
    font-size: var(--text-xs);
    margin-top: var(--space-5);
  }
  
  .divider {
    margin: var(--space-6) 0;
  }
  
  .social-buttons {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
  }
  
  .social-btn {
    padding: var(--space-3);
  }
  
  .social-btn i {
    font-size: 1rem;
  }
  
  .terms-agreement {
    margin-top: var(--space-5);
  }
  
  .toast-container {
    top: var(--space-6);
    right: var(--space-6);
    max-width: var(--max-w-xs);
  }
}

/* BREAKPOINT: 640px (SM) - MOBILE LANDSCAPE & SMALL TABLETS */
@media (max-width: 640px) {
  :root {
    --space-5: 0.875rem;
    --space-6: 1.125rem;
    --space-7: 1.25rem;
    --space-8: 1.5rem;
    --space-9: 2rem;
  }
  
  .navbar {
    height: 3.75rem;
    padding: 0 var(--space-4);
  }
  
  .logo {
    font-size: var(--text-sm);
  }
  
  .nav-links li:not(:last-child) {
    display: none;
  }
  
  .nav-links {
    gap: var(--space-3);
  }
  
  .nav-links a {
    font-size: var(--text-xs);
    gap: var(--space-2);
  }
  
  .login-page-container {
    padding: var(--space-6) var(--space-3);
    padding-top: 4.5rem;
  }
  
  .login-box {
    padding: var(--space-5);
    border: 0.5px solid var(--gray-200);
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
  }
  
  .login-box:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
  }
  
  .form-title {
    font-size: var(--text-base);
    margin-bottom: var(--space-4);
  }
  
  .input-group label {
    font-size: var(--text-xs);
    margin-bottom: var(--space-2);
  }
  
  .input-with-icon input {
    font-size: var(--text-base);
    height: 2.5rem;
    padding: var(--space-3) var(--space-3) var(--space-3) 2.5rem;
  }
  
  .input-with-icon i {
    left: var(--space-3);
    font-size: 0.75rem;
  }
  
  .toggle-password {
    right: var(--space-3);
    padding: var(--space-1);
  }
  
  .forgot-link {
    font-size: var(--text-xs);
  }
  
  .divider {
    margin: var(--space-5) 0;
  }
  
  .divider span {
    padding: 0 var(--space-4);
  }
  
  .social-buttons {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
  }
  
  .social-title {
    margin-bottom: var(--space-4);
  }
  
  .terms-label {
    font-size: var(--text-xs);
  }
  
  .remember-label {
    font-size: var(--text-xs);
  }
  
  .toast-container {
    top: var(--space-5);
    right: var(--space-4);
    left: var(--space-4);
    max-width: 100%;
  }
  
  .toast {
    padding: var(--space-4);
  }
}

/* BREAKPOINT: 540px (MOBILE LARGE) */
@media (max-width: 540px) {
  .login-page-container {
    padding: var(--space-5) var(--space-2);
    padding-top: 4rem;
  }
  
  .login-box {
    padding: var(--space-4);
    border-radius: var(--radius-md);
  }
  
  .form-title {
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
  }
  
  .input-group {
    margin-bottom: var(--space-4);
  }
  
  .input-with-icon input {
    height: 2.375rem;
    padding: var(--space-2) var(--space-2) var(--space-2) 2.25rem;
    font-size: var(--text-sm);
  }
  
  .input-with-icon i {
    left: var(--space-2);
  }
  
  .toggle-password {
    right: var(--space-2);
  }
  
  .login-btn,
  .register-btn,
  .register-toggle-btn,
  .login-toggle-btn {
    padding: var(--space-3);
    font-size: var(--text-xs);
    margin-top: var(--space-4);
  }
  
  .social-buttons {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-1);
  }
  
  .social-btn {
    padding: var(--space-2);
  }
  
  .social-btn i {
    font-size: 0.875rem;
  }
}

/* BREAKPOINT: 480px (XS) - MOBILE PORTRAIT */
@media (max-width: 480px) {
  :root {
    --space-4: 0.625rem;
    --space-5: 0.75rem;
    --space-6: 1rem;
    --space-7: 1.125rem;
    --space-8: 1.25rem;
  }
  
  html {
    font-size: 15px;
  }
  
  .navbar {
    height: 3.5rem;
    padding: 0 var(--space-3);
  }
  
  .logo {
    font-size: var(--text-xs);
  }
  
  .nav-links a {
    font-size: var(--text-xs);
    padding: var(--space-1) 0;
  }
  
  .login-page-container {
    padding: var(--space-4) var(--space-1);
    padding-top: 4rem;
    background-color: var(--white);
  }
  
  .login-page-container::before {
    display: none;
  }
  
  .login-box {
    padding: var(--space-4);
    border: none;
    box-shadow: none;
    max-width: 100%;
    border-radius: 0;
  }
  
  .login-box:hover {
    box-shadow: none;
    transform: none;
  }
  
  .form-title {
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
  }
  
  .input-with-icon input {
    font-size: 16px; /* Prevent iOS zoom */
    height: 2.5rem;
    padding-left: 2.5rem;
  }
  
  .input-with-icon i {
    left: var(--space-3);
  }
  
  .toggle-password {
    right: var(--space-3);
  }
  
  .divider {
    margin: var(--space-4) 0;
  }
  
  .social-buttons {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .toast-container {
    top: var(--space-4);
    right: var(--space-2);
    left: var(--space-2);
  }
}

/* BREAKPOINT: 425px (MOBILE MEDIUM) */
@media (max-width: 425px) {
  .navbar {
    height: 3.25rem;
  }
  
  .logo {
    font-size: var(--text-xs);
    letter-spacing: -0.01em;
  }
  
  .login-page-container {
    padding: var(--space-3) 0;
    padding-top: 3.75rem;
  }
  
  .login-box {
    padding: var(--space-4) var(--space-3);
    border-radius: 0;
  }
  
  .input-with-icon input {
    height: 2.25rem;
    padding: var(--space-2) var(--space-2) var(--space-2) 2.25rem;
  }
  
  .social-buttons {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .social-btn i {
    font-size: 0.75rem;
  }
}

/* BREAKPOINT: 400px (MOBILE SMALL) */
@media (max-width: 400px) {
  .login-box {
    padding: var(--space-3);
  }
  
  .form-title {
    font-size: var(--text-sm);
  }
  
  .input-group label {
    font-size: 0.6875rem;
  }
  
  .input-with-icon input {
    height: 2.125rem;
    font-size: 15px;
  }
  
  .login-btn,
  .register-btn,
  .register-toggle-btn,
  .login-toggle-btn {
    padding: var(--space-2);
    font-size: 0.6875rem;
  }
  
  .social-buttons {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .social-btn {
    padding: var(--space-1);
  }
}

/* BREAKPOINT: 375px (MOBILE XS) */
@media (max-width: 375px) {
  html {
    font-size: 14px;
  }
  
  .navbar {
    height: 3rem;
    padding: 0 var(--space-2);
  }
  
  .logo {
    font-size: 0.8125rem;
  }
  
  .nav-links a {
    font-size: 0.6875rem;
  }
  
  .login-page-container {
    padding: var(--space-2) 0;
    padding-top: 3.5rem;
  }
  
  .login-box {
    padding: var(--space-3) var(--space-2);
  }
  
  .input-with-icon input {
    height: 2rem;
    padding: var(--space-1) var(--space-1) var(--space-1) 2rem;
    font-size: 16px; /* Prevent iOS zoom */
  }
  
  .input-with-icon i {
    left: var(--space-2);
    font-size: 0.6875rem;
  }
  
  .toggle-password {
    right: var(--space-2);
  }
  
  .toggle-password svg {
    width: 0.875rem;
    height: 0.875rem;
  }
  
  .forgot-link {
    font-size: 0.6875rem;
  }
  
  .divider {
    font-size: 0.6875rem;
    margin: var(--space-3) 0;
  }
  
  .social-buttons {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-1);
  }
  
  .social-btn {
    min-height: 2rem;
  }
  
  .social-btn i {
    font-size: 0.6875rem;
  }
  
  .terms-label {
    font-size: 0.6875rem;
  }
  
  .remember-label {
    font-size: 0.6875rem;
  }
}

/* BREAKPOINT: 360px (MOBILE XXS) - ULTRA RESPONSIVE */
@media (max-width: 360px) {
  :root {
    --space-1: 0.0625rem;
    --space-2: 0.125rem;
    --space-3: 0.25rem;
    --space-4: 0.375rem;
    --space-5: 0.5rem;
    --space-6: 0.75rem;
    --space-7: 1rem;
    --space-8: 1.25rem;
  }
  
  html {
    font-size: 13px;
  }
  
  .navbar {
    height: 2.75rem;
    padding: 0 var(--space-1);
  }
  
  .logo {
    font-size: 0.75rem;
    letter-spacing: -0.005em;
  }
  
  .nav-links a {
    font-size: 0.625rem;
    padding: var(--space-1) 0;
    gap: var(--space-1);
  }
  
  .nav-links a i {
    font-size: 0.625rem;
    width: 0.625rem;
    height: 0.625rem;
  }
  
  .login-page-container {
    padding: var(--space-1) 0;
    padding-top: 3.25rem;
    min-height: calc(100vh - 3.25rem);
  }
  
  .login-box {
    padding: var(--space-2);
    border-radius: 0;
    min-height: calc(100vh - 3.25rem);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  
  .form-title {
    font-size: 0.875rem;
    margin-bottom: var(--space-3);
    letter-spacing: -0.005em;
  }
  
  .input-group {
    margin-bottom: var(--space-3);
  }
  
  .input-group label {
    font-size: 0.625rem;
    margin-bottom: var(--space-1);
    letter-spacing: 0.05em;
  }
  
  .input-with-icon input {
    height: 1.875rem;
    padding: var(--space-1) var(--space-1) var(--space-1) 1.75rem;
    font-size: 14px; /* Balance legibility and zoom */
    border-radius: var(--radius-sm);
  }
  
  .input-with-icon i {
    left: var(--space-1);
    font-size: 0.625rem;
  }
  
  .toggle-password {
    right: var(--space-1);
    padding: var(--space-1);
  }
  
  .toggle-password svg {
    width: 0.75rem;
    height: 0.75rem;
  }
  
  .forgot-password {
    margin-top: var(--space-2);
  }
  
  .forgot-link {
    font-size: 0.625rem;
  }
  
  .login-btn,
  .register-btn,
  .register-toggle-btn,
  .login-toggle-btn {
    padding: var(--space-2);
    font-size: 0.625rem;
    margin-top: var(--space-3);
    border-radius: var(--radius-sm);
    letter-spacing: 0.03em;
  }
  
  .divider {
    margin: var(--space-2) 0;
    font-size: 0.625rem;
  }
  
  .divider span {
    padding: 0 var(--space-2);
  }
  
  .social-login {
    margin-top: var(--space-3);
  }
  
  .social-title {
    font-size: 0.625rem;
    margin-bottom: var(--space-2);
  }
  
  .social-buttons {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-1);
  }
  
  .social-btn {
    padding: var(--space-1);
    min-height: 1.75rem;
    border-radius: var(--radius-sm);
  }
  
  .social-btn i {
    font-size: 0.625rem;
  }
  
  .terms-agreement {
    margin-top: var(--space-3);
    gap: var(--space-2);
  }
  
  .terms-checkbox input[type="checkbox"] {
    width: 0.75rem;
    height: 0.75rem;
  }
  
  .terms-checkbox input[type="checkbox"]:checked::after {
    width: 0.25rem;
    height: 0.5rem;
    border-width: 0 1px 1px 0;
  }
  
  .terms-label {
    font-size: 0.625rem;
    line-height: 1.2;
  }
  
  .remember-me {
    margin-top: var(--space-2);
    gap: var(--space-2);
  }
  
  .remember-checkbox input[type="checkbox"] {
    width: 0.75rem;
    height: 0.75rem;
  }
  
  .remember-checkbox input[type="checkbox"]:checked::after {
    width: 0.25rem;
    height: 0.5rem;
    border-width: 0 1px 1px 0;
  }
  
  .remember-label {
    font-size: 0.625rem;
  }
  
  .form-message {
    font-size: 0.625rem;
    padding: var(--space-1);
    margin-top: var(--space-1);
  }
  
  .password-strength .strength-meter {
    height: 0.125rem;
  }
  
  .strength-text {
    font-size: 0.625rem;
  }
  
  .toast-container {
    top: var(--space-2);
    right: var(--space-1);
    left: var(--space-1);
    gap: var(--space-1);
  }
  
  .toast {
    padding: var(--space-2);
    border-radius: var(--radius-sm);
  }
  
  .toast-icon {
    width: 0.75rem;
    height: 0.75rem;
  }
  
  .toast-icon i {
    font-size: 0.75rem;
  }
  
  .toast-title {
    font-size: 0.75rem;
    margin-bottom: 0;
  }
  
  .toast-message {
    font-size: 0.625rem;
  }
  
  .toast-close {
    padding: 0;
  }
  
  .toast-close i {
    font-size: 0.75rem;
  }
  
  .loading-overlay {
    border-radius: 0;
  }
  
  .loading-spinner {
    width: 1.5rem;
    height: 1.5rem;
    border-width: 1px;
  }
}

/* BREAKPOINT: 320px (SMALLEST MOBILE) */
@media (max-width: 320px) {
  html {
    font-size: 12px;
  }
  
  .navbar {
    height: 2.5rem;
  }
  
  .logo {
    font-size: 0.6875rem;
  }
  
  .nav-links a {
    font-size: 0.5625rem;
  }
  
  .login-page-container {
    padding-top: 3rem;
  }
  
  .login-box {
    padding: var(--space-1);
  }
  
  .form-title {
    font-size: 0.75rem;
  }
  
  .input-with-icon input {
    height: 1.75rem;
    font-size: 13px;
  }
  
  .social-buttons {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* UTILITY CLASSES - MEJORADAS */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.visually-hidden {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.font-light {
  font-weight: 300;
}

.font-normal {
  font-weight: 350;
}

.font-medium {
  font-weight: 400;
}

.font-semibold {
  font-weight: 500;
}

.font-bold {
  font-weight: 600;
}

.uppercase {
  text-transform: uppercase;
}

.lowercase {
  text-transform: lowercase;
}

.capitalize {
  text-transform: capitalize;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-1 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}

.line-clamp-2 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.line-clamp-3 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.my-auto {
  margin-top: auto;
  margin-bottom: auto;
}

.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.grid {
  display: grid;
}

.hidden {
  display: none;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

.flex-col {
  flex-direction: column;
}

.flex-row {
  flex-direction: row;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

.flex-1 {
  flex: 1 1 0%;
}

.flex-auto {
  flex: 1 1 auto;
}

.flex-none {
  flex: none;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-nowrap {
  flex-wrap: nowrap;
}

.gap-1 {
  gap: var(--space-1);
}

.gap-2 {
  gap: var(--space-2);
}

.gap-3 {
  gap: var(--space-3);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-5 {
  gap: var(--space-5);
}

.gap-6 {
  gap: var(--space-6);
}

.gap-7 {
  gap: var(--space-7);
}

.gap-8 {
  gap: var(--space-8);
}

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.fixed {
  position: fixed;
}

.sticky {
  position: sticky;
}

.inset-0 {
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.top-0 {
  top: 0;
}

.right-0 {
  right: 0;
}

.bottom-0 {
  bottom: 0;
}

.left-0 {
  left: 0;
}

.z-0 {
  z-index: var(--z-0);
}

.z-10 {
  z-index: var(--z-10);
}

.z-20 {
  z-index: var(--z-20);
}

.z-30 {
  z-index: var(--z-30);
}

.z-40 {
  z-index: var(--z-40);
}

.z-50 {
  z-index: var(--z-50);
}

.overflow-hidden {
  overflow: hidden;
}

.overflow-auto {
  overflow: auto;
}

.overflow-x-auto {
  overflow-x: auto;
}

.overflow-y-auto {
  overflow-y: auto;
}

.overflow-x-hidden {
  overflow-x: hidden;
}

.overflow-y-hidden {
  overflow-y: hidden;
}

.rounded-sm {
  border-radius: var(--radius-sm);
}

.rounded-md {
  border-radius: var(--radius-md);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

.rounded-xl {
  border-radius: var(--radius-xl);
}

.rounded-full {
  border-radius: var(--radius-full);
}

.border {
  border-width: var(--border-sm);
}

.border-0 {
  border-width: 0;
}

.border-sm {
  border-width: var(--border-sm);
}

.border-md {
  border-width: var(--border-md);
}

.border-lg {
  border-width: var(--border-lg);
}

.border-gray-100 {
  border-color: var(--gray-100);
}

.border-gray-200 {
  border-color: var(--gray-200);
}

.border-gray-300 {
  border-color: var(--gray-300);
}

.border-gray-400 {
  border-color: var(--gray-400);
}

.border-gray-500 {
  border-color: var(--gray-500);
}

.border-black {
  border-color: var(--black);
}

.border-white {
  border-color: var(--white);
}

.border-transparent {
  border-color: transparent;
}

.bg-white {
  background-color: var(--white);
}

.bg-black {
  background-color: var(--black);
}

.bg-gray-50 {
  background-color: var(--gray-50);
}

.bg-gray-100 {
  background-color: var(--gray-100);
}

.bg-gray-200 {
  background-color: var(--gray-200);
}

.bg-transparent {
  background-color: transparent;
}

.text-white {
  color: var(--white);
}

.text-black {
  color: var(--black);
}

.text-gray-50 {
  color: var(--gray-50);
}

.text-gray-100 {
  color: var(--gray-100);
}

.text-gray-200 {
  color: var(--gray-200);
}

.text-gray-300 {
  color: var(--gray-300);
}

.text-gray-400 {
  color: var(--gray-400);
}

.text-gray-500 {
  color: var(--gray-500);
}

.text-gray-600 {
  color: var(--gray-600);
}

.text-gray-700 {
  color: var(--gray-700);
}

.text-gray-800 {
  color: var(--gray-800);
}

.text-gray-900 {
  color: var(--gray-900);
}

.text-xs {
  font-size: var(--text-xs);
}

.text-sm {
  font-size: var(--text-sm);
}

.text-base {
  font-size: var(--text-base);
}

.text-lg {
  font-size: var(--text-lg);
}

.text-xl {
  font-size: var(--text-xl);
}

.text-2xl {
  font-size: var(--text-2xl);
}

.text-3xl {
  font-size: var(--text-3xl);
}

.text-4xl {
  font-size: var(--text-4xl);
}

.leading-none {
  line-height: var(--leading-none);
}

.leading-tight {
  line-height: var(--leading-tight);
}

.leading-snug {
  line-height: var(--leading-snug);
}

.leading-normal {
  line-height: var(--leading-normal);
}

.leading-relaxed {
  line-height: var(--leading-relaxed);
}

.leading-loose {
  line-height: var(--leading-loose);
}

.tracking-tighter {
  letter-spacing: var(--tracking-tighter);
}

.tracking-tight {
  letter-spacing: var(--tracking-tight);
}

.tracking-normal {
  letter-spacing: var(--tracking-normal);
}

.tracking-wide {
  letter-spacing: var(--tracking-wide);
}

.tracking-wider {
  letter-spacing: var(--tracking-wider);
}

.tracking-widest {
  letter-spacing: var(--tracking-widest);
}

.opacity-0 {
  opacity: var(--opacity-0);
}

.opacity-5 {
  opacity: var(--opacity-5);
}

.opacity-10 {
  opacity: var(--opacity-10);
}

.opacity-20 {
  opacity: var(--opacity-20);
}

.opacity-25 {
  opacity: var(--opacity-25);
}

.opacity-30 {
  opacity: var(--opacity-30);
}

.opacity-40 {
  opacity: var(--opacity-40);
}

.opacity-50 {
  opacity: var(--opacity-50);
}

.opacity-60 {
  opacity: var(--opacity-60);
}

.opacity-70 {
  opacity: var(--opacity-70);
}

.opacity-75 {
  opacity: var(--opacity-75);
}

.opacity-80 {
  opacity: var(--opacity-80);
}

.opacity-90 {
  opacity: var(--opacity-90);
}

.opacity-95 {
  opacity: var(--opacity-95);
}

.opacity-100 {
  opacity: var(--opacity-100);
}

.p-0 {
  padding: var(--space-0);
}

.p-1 {
  padding: var(--space-1);
}

.p-2 {
  padding: var(--space-2);
}

.p-3 {
  padding: var(--space-3);
}

.p-4 {
  padding: var(--space-4);
}

.p-5 {
  padding: var(--space-5);
}

.p-6 {
  padding: var(--space-6);
}

.p-7 {
  padding: var(--space-7);
}

.p-8 {
  padding: var(--space-8);
}

.px-0 {
  padding-left: var(--space-0);
  padding-right: var(--space-0);
}

.px-1 {
  padding-left: var(--space-1);
  padding-right: var(--space-1);
}

.px-2 {
  padding-left: var(--space-2);
  padding-right: var(--space-2);
}

.px-3 {
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}

.px-4 {
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.px-5 {
  padding-left: var(--space-5);
  padding-right: var(--space-5);
}

.px-6 {
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.px-7 {
  padding-left: var(--space-7);
  padding-right: var(--space-7);
}

.px-8 {
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}

.py-0 {
  padding-top: var(--space-0);
  padding-bottom: var(--space-0);
}

.py-1 {
  padding-top: var(--space-1);
  padding-bottom: var(--space-1);
}

.py-2 {
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}

.py-3 {
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.py-4 {
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.py-5 {
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
}

.py-6 {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.py-7 {
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
}

.py-8 {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

.m-0 {
  margin: var(--space-0);
}

.m-1 {
  margin: var(--space-1);
}

.m-2 {
  margin: var(--space-2);
}

.m-3 {
  margin: var(--space-3);
}

.m-4 {
  margin: var(--space-4);
}

.m-5 {
  margin: var(--space-5);
}

.m-6 {
  margin: var(--space-6);
}

.m-7 {
  margin: var(--space-7);
}

.m-8 {
  margin: var(--space-8);
}

.mx-0 {
  margin-left: var(--space-0);
  margin-right: var(--space-0);
}

.mx-1 {
  margin-left: var(--space-1);
  margin-right: var(--space-1);
}

.mx-2 {
  margin-left: var(--space-2);
  margin-right: var(--space-2);
}

.mx-3 {
  margin-left: var(--space-3);
  margin-right: var(--space-3);
}

.mx-4 {
  margin-left: var(--space-4);
  margin-right: var(--space-4);
}

.mx-5 {
  margin-left: var(--space-5);
  margin-right: var(--space-5);
}

.mx-6 {
  margin-left: var(--space-6);
  margin-right: var(--space-6);
}

.mx-7 {
  margin-left: var(--space-7);
  margin-right: var(--space-7);
}

.mx-8 {
  margin-left: var(--space-8);
  margin-right: var(--space-8);
}

.my-0 {
  margin-top: var(--space-0);
  margin-bottom: var(--space-0);
}

.my-1 {
  margin-top: var(--space-1);
  margin-bottom: var(--space-1);
}

.my-2 {
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
}

.my-3 {
  margin-top: var(--space-3);
  margin-bottom: var(--space-3);
}

.my-4 {
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
}

.my-5 {
  margin-top: var(--space-5);
  margin-bottom: var(--space-5);
}

.my-6 {
  margin-top: var(--space-6);
  margin-bottom: var(--space-6);
}

.my-7 {
  margin-top: var(--space-7);
  margin-bottom: var(--space-7);
}

.my-8 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.mt-0 {
  margin-top: var(--space-0);
}

.mt-1 {
  margin-top: var(--space-1);
}

.mt-2 {
  margin-top: var(--space-2);
}

.mt-3 {
  margin-top: var(--space-3);
}

.mt-4 {
  margin-top: var(--space-4);
}

.mt-5 {
  margin-top: var(--space-5);
}

.mt-6 {
  margin-top: var(--space-6);
}

.mt-7 {
  margin-top: var(--space-7);
}

.mt-8 {
  margin-top: var(--space-8);
}

.mb-0 {
  margin-bottom: var(--space-0);
}

.mb-1 {
  margin-bottom: var(--space-1);
}

.mb-2 {
  margin-bottom: var(--space-2);
}

.mb-3 {
  margin-bottom: var(--space-3);
}

.mb-4 {
  margin-bottom: var(--space-4);
}

.mb-5 {
  margin-bottom: var(--space-5);
}

.mb-6 {
  margin-bottom: var(--space-6);
}

.mb-7 {
  margin-bottom: var(--space-7);
}

.mb-8 {
  margin-bottom: var(--space-8);
}

.ml-0 {
  margin-left: var(--space-0);
}

.ml-1 {
  margin-left: var(--space-1);
}

.ml-2 {
  margin-left: var(--space-2);
}

.ml-3 {
  margin-left: var(--space-3);
}

.ml-4 {
  margin-left: var(--space-4);
}

.ml-5 {
  margin-left: var(--space-5);
}

.ml-6 {
  margin-left: var(--space-6);
}

.ml-7 {
  margin-left: var(--space-7);
}

.ml-8 {
  margin-left: var(--space-8);
}

.mr-0 {
  margin-right: var(--space-0);
}

.mr-1 {
  margin-right: var(--space-1);
}

.mr-2 {
  margin-right: var(--space-2);
}

.mr-3 {
  margin-right: var(--space-3);
}

.mr-4 {
  margin-right: var(--space-4);
}

.mr-5 {
  margin-right: var(--space-5);
}

.mr-6 {
  margin-right: var(--space-6);
}

.mr-7 {
  margin-right: var(--space-7);
}

.mr-8 {
  margin-right: var(--space-8);
}

.shadow-xs {
  box-shadow: var(--shadow-xs);
}

.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.shadow-md {
  box-shadow: var(--shadow-md);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

.shadow-xl {
  box-shadow: var(--shadow-xl);
}

.shadow-2xl {
  box-shadow: var(--shadow-2xl);
}

.shadow-inner {
  box-shadow: var(--shadow-inner);
}

.shadow-none {
  box-shadow: var(--shadow-none);
}

.transition-all {
  transition-property: all;
}

.transition-colors {
  transition-property: color, background-color, border-color;
}

.transition-transform {
  transition-property: transform;
}

.transition-opacity {
  transition-property: opacity;
}

.duration-75 {
  transition-duration: var(--duration-75);
}

.duration-100 {
  transition-duration: var(--duration-100);
}

.duration-150 {
  transition-duration: var(--duration-150);
}

.duration-200 {
  transition-duration: var(--duration-200);
}

.duration-300 {
  transition-duration: var(--duration-300);
}

.duration-500 {
  transition-duration: var(--duration-500);
}

.duration-700 {
  transition-duration: var(--duration-700);
}

.duration-1000 {
  transition-duration: var(--duration-1000);
}

.ease-in-out {
  transition-timing-function: var(--ease-in-out);
}

.ease-out {
  transition-timing-function: var(--ease-out);
}

.ease-in {
  transition-timing-function: var(--ease-in);
}

.ease-linear {
  transition-timing-function: var(--ease-linear);
}

.pointer-events-none {
  pointer-events: none;
}

.pointer-events-auto {
  pointer-events: auto;
}

.select-none {
  user-select: none;
}

.select-text {
  user-select: text;
}

.cursor-pointer {
  cursor: pointer;
}

.cursor-default {
  cursor: default;
}

.cursor-not-allowed {
  cursor: not-allowed;
}

.resize-none {
  resize: none;
}

.resize-y {
  resize: vertical;
}

.resize-x {
  resize: horizontal;
}

.resize {
  resize: both;
}

.list-none {
  list-style-type: none;
}

.list-disc {
  list-style-type: disc;
}

.list-decimal {
  list-style-type: decimal;
}

.appearance-none {
  appearance: none;
}

.break-words {
  overflow-wrap: break-word;
}

.break-all {
  word-break: break-all;
}

.whitespace-nowrap {
  white-space: nowrap;
}

.whitespace-pre {
  white-space: pre;
}

.whitespace-pre-line {
  white-space: pre-line;
}

.whitespace-pre-wrap {
  white-space: pre-wrap;
}

.break-normal {
  overflow-wrap: normal;
  word-break: normal;
}

.grid-cols-1 {
  grid-template-columns: var(--grid-cols-1);
}

.grid-cols-2 {
  grid-template-columns: var(--grid-cols-2);
}

.grid-cols-3 {
  grid-template-columns: var(--grid-cols-3);
}

.grid-cols-4 {
  grid-template-columns: var(--grid-cols-4);
}

.grid-cols-5 {
  grid-template-columns: var(--grid-cols-5);
}

.grid-cols-6 {
  grid-template-columns: var(--grid-cols-6);
}

.grid-cols-7 {
  grid-template-columns: var(--grid-cols-7);
}

.grid-cols-8 {
  grid-template-columns: var(--grid-cols-8);
}

.grid-cols-9 {
  grid-template-columns: var(--grid-cols-9);
}

.grid-cols-10 {
  grid-template-columns: var(--grid-cols-10);
}

.grid-cols-11 {
  grid-template-columns: var(--grid-cols-11);
}

.grid-cols-12 {
  grid-template-columns: var(--grid-cols-12);
}

.col-span-1 {
  grid-column: span 1 / span 1;
}

.col-span-2 {
  grid-column: span 2 / span 2;
}

.col-span-3 {
  grid-column: span 3 / span 3;
}

.col-span-4 {
  grid-column: span 4 / span 4;
}

.col-span-5 {
  grid-column: span 5 / span 5;
}

.col-span-6 {
  grid-column: span 6 / span 6;
}

.col-span-7 {
  grid-column: span 7 / span 7;
}

.col-span-8 {
  grid-column: span 8 / span 8;
}

.col-span-9 {
  grid-column: span 9 / span 9;
}

.col-span-10 {
  grid-column: span 10 / span 10;
}

.col-span-11 {
  grid-column: span 11 / span 11;
}

.col-span-12 {
  grid-column: span 12 / span 12;
}

.col-span-full {
  grid-column: 1 / -1;
}

.row-span-1 {
  grid-row: span 1 / span 1;
}

.row-span-2 {
  grid-row: span 2 / span 2;
}

.row-span-3 {
  grid-row: span 3 / span 3;
}

.row-span-4 {
  grid-row: span 4 / span 4;
}

.row-span-5 {
  grid-row: span 5 / span 5;
}

.row-span-6 {
  grid-row: span 6 / span 6;
}

.row-span-full {
  grid-row: 1 / -1;
}

.grid-flow-row {
  grid-auto-flow: row;
}

.grid-flow-col {
  grid-auto-flow: column;
}

.grid-flow-row-dense {
  grid-auto-flow: row dense;
}

.grid-flow-col-dense {
  grid-auto-flow: column dense;
}

.auto-cols-auto {
  grid-auto-columns: auto;
}

.auto-cols-min {
  grid-auto-columns: min-content;
}

.auto-cols-max {
  grid-auto-columns: max-content;
}

.auto-cols-fr {
  grid-auto-columns: minmax(0, 1fr);
}

.auto-rows-auto {
  grid-auto-rows: auto;
}

.auto-rows-min {
  grid-auto-rows: min-content;
}

.auto-rows-max {
  grid-auto-rows: max-content;
}

.auto-rows-fr {
  grid-auto-rows: minmax(0, 1fr);
}

.gap-0 {
  gap: var(--space-0);
}

.gap-1 {
  gap: var(--space-1);
}

.gap-2 {
  gap: var(--space-2);
}

.gap-3 {
  gap: var(--space-3);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-5 {
  gap: var(--space-5);
}

.gap-6 {
  gap: var(--space-6);
}

.gap-7 {
  gap: var(--space-7);
}

.gap-8 {
  gap: var(--space-8);
}

.gap-9 {
  gap: var(--space-9);
}

.gap-10 {
  gap: var(--space-10);
}

.gap-x-0 {
  column-gap: var(--space-0);
}

.gap-x-1 {
  column-gap: var(--space-1);
}

.gap-x-2 {
  column-gap: var(--space-2);
}

.gap-x-3 {
  column-gap: var(--space-3);
}

.gap-x-4 {
  column-gap: var(--space-4);
}

.gap-x-5 {
  column-gap: var(--space-5);
}

.gap-x-6 {
  column-gap: var(--space-6);
}

.gap-x-7 {
  column-gap: var(--space-7);
}

.gap-x-8 {
  column-gap: var(--space-8);
}

.gap-y-0 {
  row-gap: var(--space-0);
}

.gap-y-1 {
  row-gap: var(--space-1);
}

.gap-y-2 {
  row-gap: var(--space-2);
}

.gap-y-3 {
  row-gap: var(--space-3);
}

.gap-y-4 {
  row-gap: var(--space-4);
}

.gap-y-5 {
  row-gap: var(--space-5);
}

.gap-y-6 {
  row-gap: var(--space-6);
}

.gap-y-7 {
  row-gap: var(--space-7);
}

.gap-y-8 {
  row-gap: var(--space-8);
}

.justify-items-start {
  justify-items: start;
}

.justify-items-end {
  justify-items: end;
}

.justify-items-center {
  justify-items: center;
}

.justify-items-stretch {
  justify-items: stretch;
}

.content-start {
  align-content: flex-start;
}

.content-end {
  align-content: flex-end;
}

.content-center {
  align-content: center;
}

.content-between {
  align-content: space-between;
}

.content-around {
  align-content: space-around;
}

.content-evenly {
  align-content: space-evenly;
}

.content-stretch {
  align-content: stretch;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.items-center {
  align-items: center;
}

.items-baseline {
  align-items: baseline;
}

.items-stretch {
  align-items: stretch;
}

.justify-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-around {
  justify-content: space-around;
}

.justify-evenly {
  justify-content: space-evenly;
}

.justify-items-start {
  justify-items: start;
}

.justify-items-end {
  justify-items: end;
}

.justify-items-center {
  justify-items: center;
}

.justify-items-stretch {
  justify-items: stretch;
}

.place-content-start {
  place-content: start;
}

.place-content-end {
  place-content: end;
}

.place-content-center {
  place-content: center;
}

.place-content-between {
  place-content: space-between;
}

.place-content-around {
  place-content: space-around;
}

.place-content-evenly {
  place-content: space-evenly;
}

.place-content-stretch {
  place-content: stretch;
}

.place-items-start {
  place-items: start;
}

.place-items-end {
  place-items: end;
}

.place-items-center {
  place-items: center;
}

.place-items-stretch {
  place-items: stretch;
}

.self-auto {
  align-self: auto;
}

.self-start {
  align-self: flex-start;
}

.self-end {
  align-self: flex-end;
}

.self-center {
  align-self: center;
}

.self-stretch {
  align-self: stretch;
}

.self-baseline {
  align-self: baseline;
}

.justify-self-auto {
  justify-self: auto;
}

.justify-self-start {
  justify-self: start;
}

.justify-self-end {
  justify-self: end;
}

.justify-self-center {
  justify-self: center;
}

.justify-self-stretch {
  justify-self: stretch;
}

.order-1 {
  order: 1;
}

.order-2 {
  order: 2;
}

.order-3 {
  order: 3;
}

.order-4 {
  order: 4;
}

.order-5 {
  order: 5;
}

.order-6 {
  order: 6;
}

.order-7 {
  order: 7;
}

.order-8 {
  order: 8;
}

.order-9 {
  order: 9;
}

.order-10 {
  order: 10;
}

.order-11 {
  order: 11;
}

.order-12 {
  order: 12;
}

.order-first {
  order: -9999;
}

.order-last {
  order: 9999;
}

.order-none {
  order: 0;
}

.float-left {
  float: left;
}

.float-right {
  float: right;
}

.float-none {
  float: none;
}

.clear-left {
  clear: left;
}

.clear-right {
  clear: right;
}

.clear-both {
  clear: both;
}

.clear-none {
  clear: none;
}

.isolate {
  isolation: isolate;
}

.isolation-auto {
  isolation: auto;
}

.object-contain {
  object-fit: contain;
}

.object-cover {
  object-fit: cover;
}

.object-fill {
  object-fit: fill;
}

.object-none {
  object-fit: none;
}

.object-scale-down {
  object-fit: scale-down;
}

.object-center {
  object-position: center;
}

.object-top {
  object-position: top;
}

.object-right {
  object-position: right;
}

.object-bottom {
  object-position: bottom;
}

.object-left {
  object-position: left;
}

.object-top-right {
  object-position: top right;
}

.object-top-left {
  object-position: top left;
}

.object-bottom-right {
  object-position: bottom right;
}

.object-bottom-left {
  object-position: bottom left;
}

.overflow-visible {
  overflow: visible;
}

.overflow-scroll {
  overflow: scroll;
}

.overflow-x-visible {
  overflow-x: visible;
}

.overflow-y-visible {
  overflow-y: visible;
}

.overflow-x-scroll {
  overflow-x: scroll;
}

.overflow-y-scroll {
  overflow-y: scroll;
}

.scroll-auto {
  scroll-behavior: auto;
}

.scroll-smooth {
  scroll-behavior: smooth;
}

.overscroll-auto {
  overscroll-behavior: auto;
}

.overscroll-contain {
  overscroll-behavior: contain;
}

.overscroll-none {
  overscroll-behavior: none;
}

.overscroll-y-auto {
  overscroll-behavior-y: auto;
}

.overscroll-y-contain {
  overscroll-behavior-y: contain;
}

.overscroll-y-none {
  overscroll-behavior-y: none;
}

.overscroll-x-auto {
  overscroll-behavior-x: auto;
}

.overscroll-x-contain {
  overscroll-behavior-x: contain;
}

.overscroll-x-none {
  overscroll-behavior-x: none;
}

/* CUSTOM SCROLLBAR - PROFESSIONAL (MÁS DELGADO) */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: var(--radius-sm);
  transition: background var(--duration-200) var(--ease-in-out);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

::-webkit-scrollbar-thumb:active {
  background: var(--gray-500);
}

::-webkit-scrollbar-corner {
  background: var(--gray-100);
}

/* FIREFOX */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--gray-300) var(--gray-100);
}

/* FOCUS MANAGEMENT (MÁS SUTIL) */
:focus-visible {
  outline: 1px solid var(--gray-400);
  outline-offset: 1px;
  border-radius: var(--radius-sm);
}

:focus:not(:focus-visible) {
  outline: none;
}

/* PRINT STYLES (IGUAL) */
@media print {
  .navbar,
  .login-btn,
  .register-btn,
  .register-toggle-btn,
  .login-toggle-btn,
  .toggle-password,
  .social-login,
  .divider {
    display: none !important;
  }
  
  body {
    background: none;
    color: var(--black);
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .login-box {
    border: none;
    box-shadow: none;
    padding: 0;
    max-width: 100%;
    page-break-inside: avoid;
  }
  
  .form-title {
    font-size: 16pt;
    color: var(--black);
  }
  
  .input-group {
    break-inside: avoid;
  }
  
  .input-with-icon input {
    border: 0.5pt solid var(--gray-300);
    color: var(--black);
    background: none;
  }
  
  .login-page-container {
    padding: 0;
    background: none;
    min-height: auto;
  }
  
  .login-page-container::before {
    display: none;
  }
  
  a {
    color: var(--black);
    text-decoration: underline;
  }
  
  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 10pt;
    color: var(--gray-500);
  }
  
  @page {
    margin: 0.5in;
  }
}

/* PERFORMANCE OPTIMIZATIONS (IGUAL) */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* DARK MODE SUPPORT (OPCIONAL) */
@media (prefers-color-scheme: dark) {
  :root {
    --black: #ffffff;
    --white: #000000;
    --gray-50: #0a0a0a;
    --gray-100: #111111;
    --gray-200: #222222;
    --gray-300: #333333;
    --gray-400: #666666;
    --gray-500: #888888;
    --gray-600: #aaaaaa;
    --gray-700: #cccccc;
    --gray-800: #dddddd;
    --gray-900: #eeeeee;
  }
  
  .login-page-container::before {
    background-image: 
      radial-gradient(circle at 15% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 20%),
      radial-gradient(circle at 85% 30%, rgba(255, 255, 255, 0.03) 0%, transparent 20%);
  }
  
  ::-webkit-scrollbar-track {
    background: var(--gray-100);
  }
  
  ::-webkit-scrollbar-thumb {
    background: var(--gray-400);
  }
  
  ::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
  }
}

/* HIGH CONTRAST MODE SUPPORT */
@media (prefers-contrast: high) {
  :root {
    --black: #000000;
    --white: #ffffff;
    --gray-50: #ffffff;
    --gray-100: #ffffff;
    --gray-200: #000000;
    --gray-300: #000000;
    --gray-400: #000000;
    --gray-500: #000000;
    --gray-600: #000000;
    --gray-700: #000000;
    --gray-800: #000000;
    --gray-900: #000000;
  }
  
  .navbar {
    border-bottom: 2px solid var(--black);
  }
  
  .input-with-icon input {
    border: 2px solid var(--black);
  }
  
  .login-btn,
  .register-btn {
    border: 2px solid var(--black);
  }
  
  :focus-visible {
    outline: 3px solid var(--black);
    outline-offset: 1px;
  }
}

/* REDUCED MOTION OVERRIDES */
@media (prefers-reduced-motion) {
  .login-btn::before,
  .register-btn::before {
    transition: none;
  }
  
  .login-btn:hover::before,
  .register-btn:hover::before {
    width: 0;
    height: 0;
  }
  
  .fadeIn,
  .toast-slide-in {
    animation: none;
  }
}

/* TOUCH DEVICE OPTIMIZATIONS */
@media (hover: none) and (pointer: coarse) {
  .nav-links a:hover::after {
    width: 0;
  }
  
  .login-box:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
  }
  
  .login-btn:hover,
  .register-btn:hover,
  .register-toggle-btn:hover,
  .login-toggle-btn:hover {
    transform: none;
  }
  
  .input-with-icon input:hover {
    border-color: var(--gray-300);
  }
  
  .toggle-password:hover {
    background-color: transparent;
  }
  
  .forgot-link:hover::after {
    width: 0;
  }
  
  .social-btn:hover {
    transform: none;
    background-color: var(--white);
  }
  
  /* Increase tap targets for mobile */
  .nav-links a,
  .login-btn,
  .register-btn,
  .register-toggle-btn,
  .login-toggle-btn,
  .toggle-password,
  .social-btn,
  .toast-close,
  .terms-checkbox input[type="checkbox"],
  .remember-checkbox input[type="checkbox"] {
    min-height: 44px;
    min-width: 44px;
  }
  
  .input-with-icon input {
    min-height: 44px;
  }
}

/* LARGE TEXT MODE SUPPORT */
@media (prefers-reduced-data: no-preference) {
  @media (min-width: 1024px) {
    html {
      font-size: 17px;
    }
  }
  
  @media (min-width: 1280px) {
    html {
      font-size: 18px;
    }
  }
}

/* DATA SAVING MODE */
@media (prefers-reduced-data: reduce) {
  .login-page-container::before {
    display: none;
  }
  
  .navbar {
    backdrop-filter: none;
  }
  
  .login-box {
    box-shadow: none;
  }
  
  .login-box:hover {
    box-shadow: none;
    transform: none;
  }
  
  * {
    background-image: none !important;
  }
}

/* ORIENTATION SPECIFIC */
@media (orientation: portrait) and (max-width: 768px) {
  .login-page-container {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
    padding-top: calc(4rem + env(safe-area-inset-top));
  }
  
  .navbar {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
    padding-top: env(safe-area-inset-top);
    height: calc(4rem + env(safe-area-inset-top));
  }
}

@media (orientation: landscape) and (max-height: 500px) {
  .login-page-container {
    padding-top: 4rem;
    padding-bottom: 2rem;
  }
  
  .login-box {
    max-height: calc(100vh - 6rem);
    overflow-y: auto;
  }
}

/* SAFARI SPECIFIC FIXES */
@supports (-webkit-touch-callout: none) {
  .login-page-container {
    min-height: -webkit-fill-available;
  }
  
  .input-with-icon input {
    font-size: 16px; /* Prevent zoom on focus */
  }
  
  .login-btn,
  .register-btn {
    -webkit-tap-highlight-color: transparent;
  }
}

/* INTERNET EXPLORER FALLBACKS */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
  .login-box {
    display: block;
  }
  
  .nav-links {
    display: block;
  }
  
  .input-with-icon input {
    padding-left: 2.5rem;
  }
}

/* EDGE FALLBACKS */
@supports (-ms-ime-align: auto) {
  .login-box {
    max-width: 95%;
  }
}