/* ============================================
   TUDOMED.ST — Landing Page Styles
   ============================================ */

/* --- Design Tokens --- */
:root {
  /* Colors */
  --color-blue-900: #0f2942;
  --color-blue-800: #14365a;
  --color-blue-700: #1a4373;
  --color-blue-600: #1e5090;
  --color-blue-500: #2563a8;
  --color-blue-400: #3b82c4;
  --color-blue-100: #dbeafe;
  --color-blue-50: #eff6ff;

  --color-green-600: #16a34a;
  --color-green-500: #22c55e;
  --color-green-100: #dcfce7;
  --color-green-50: #f0fdf4;

  --color-gray-900: #111827;
  --color-gray-800: #1f2937;
  --color-gray-700: #374151;
  --color-gray-600: #4b5563;
  --color-gray-500: #6b7280;
  --color-gray-400: #9ca3af;
  --color-gray-300: #d1d5db;
  --color-gray-200: #e5e7eb;
  --color-gray-100: #f3f4f6;
  --color-gray-50: #f9fafb;

  --color-white: #ffffff;
  --color-bg: #fafbfd;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 41, 66, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 41, 66, 0.08);
  --shadow-lg: 0 8px 30px rgba(15, 41, 66, 0.1);
  --shadow-xl: 0 12px 40px rgba(15, 41, 66, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-bg);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

/* --- Utilities --- */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-20) 0;
}

.section-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-blue-500);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-gray-900);
  line-height: 1.25;
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-500);
  max-width: 560px;
  line-height: 1.6;
}

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

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  line-height: 1.5;
}

.btn-primary {
  background-color: var(--color-blue-600);
  color: var(--color-white);
  box-shadow: 0 1px 3px rgba(30, 80, 144, 0.3);
}

.btn-primary:hover {
  background-color: var(--color-blue-700);
  box-shadow: 0 4px 14px rgba(30, 80, 144, 0.35);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-gray-700);
  border: 1.5px solid var(--color-gray-300);
}

.btn-secondary:hover {
  border-color: var(--color-gray-400);
  background-color: var(--color-gray-50);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(250, 251, 253, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: box-shadow var(--transition-base);
}

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

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-blue-800);
}

.navbar-logo .logo-icon {
  width: 32px;
  height: 32px;
  background-color: var(--color-blue-600);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar-logo .logo-icon svg {
  width: 18px;
  height: 18px;
  color: var(--color-white);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.navbar-nav a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
}

.navbar-nav a:hover {
  color: var(--color-gray-900);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.navbar-actions .btn {
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-5);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-gray-700);
}

/* --- Hero --- */
.hero {
  padding-top: calc(64px + var(--space-16));
  padding-bottom: var(--space-16);
  background: linear-gradient(180deg, var(--color-blue-50) 0%, var(--color-bg) 100%);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-green-50);
  border: 1px solid var(--color-green-100);
  color: var(--color-green-600);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero-badge svg {
  width: 14px;
  height: 14px;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  color: var(--color-gray-900);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.hero-title .highlight {
  color: var(--color-blue-600);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-image-wrapper {
  position: relative;
}

.hero-image {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  border-radius: var(--radius-lg);
}

/* Floating badge on hero image */
.hero-float-badge {
  position: absolute;
  bottom: -16px;
  left: 24px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: float 3s ease-in-out infinite;
}

.hero-float-badge .badge-icon {
  width: 36px;
  height: 36px;
  background: var(--color-green-50);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-green-600);
}

.hero-float-badge .badge-text {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-800);
}

.hero-float-badge .badge-sub {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* --- How it Works --- */
.how-it-works {
  background-color: var(--color-white);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.step-card {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  position: relative;
}

.step-card:hover {
  background-color: var(--color-gray-50);
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-blue-50);
  color: var(--color-blue-600);
  font-size: var(--font-size-xl);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.step-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}

.step-card p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* Connector line between steps */
.step-card:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 72px;
  right: -16px;
  width: 32px;
  height: 2px;
  background: var(--color-gray-200);
}

/* --- Benefits --- */
.benefits {
  background-color: var(--color-bg);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.benefit-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.benefit-card:hover {
  border-color: var(--color-blue-100);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.benefit-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-blue-50);
  color: var(--color-blue-600);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.benefit-icon svg {
  width: 20px;
  height: 20px;
}

.benefit-card h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.benefit-card p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* --- Trust --- */
.trust {
  background-color: var(--color-blue-900);
  color: var(--color-white);
}

.trust-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.trust .section-label {
  color: var(--color-blue-400);
}

.trust .section-title {
  color: var(--color-white);
}

.trust-text {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.trust-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.trust-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
}

.trust-features li svg {
  width: 18px;
  height: 18px;
  color: var(--color-green-500);
  flex-shrink: 0;
  margin-top: 2px;
}

.trust-visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.trust-stat-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: background var(--transition-base);
}

.trust-stat-card:hover {
  background: rgba(255, 255, 255, 0.1);
}

.trust-stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue-400);
  flex-shrink: 0;
}

.trust-stat-icon svg {
  width: 22px;
  height: 22px;
}

.trust-stat-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 2px;
}

.trust-stat-desc {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
}

/* --- Preview --- */
.preview {
  background-color: var(--color-white);
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.preview-card {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  background: var(--color-white);
}

.preview-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--color-blue-100);
}

.preview-card-image {
  width: 100%;
  height: 140px;
  overflow: hidden;
  position: relative;
}

.preview-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.preview-card:hover .preview-card-image img {
  transform: scale(1.05);
}

.preview-card-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background: var(--color-blue-600);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
}

.preview-card-body {
  padding: var(--space-4) var(--space-5);
}

.preview-card-body h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
}

.preview-card-body p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-3);
}

.preview-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
}

.preview-card-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.preview-card-meta svg {
  width: 14px;
  height: 14px;
}

/* --- Final CTA --- */
.final-cta {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-blue-50) 100%);
}

.cta-box {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-16) var(--space-12);
  text-align: center;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-blue-500), var(--color-green-500));
}

.cta-box .section-title {
  margin-bottom: var(--space-4);
}

.cta-box .section-subtitle {
  margin: 0 auto var(--space-8);
}

/* --- Footer --- */
.footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: var(--space-12) 0 var(--space-8);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-white);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-gray-200);
}

.footer-copy {
  text-align: center;
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

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

  .hero-image-wrapper {
    max-width: 600px;
    margin: 0 auto;
  }

  .trust-inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-12) 0;
  }

  .container {
    padding: 0 var(--space-4);
  }

  .navbar-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero {
    padding-top: calc(64px + var(--space-10));
    padding-bottom: var(--space-10);
  }

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

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

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

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

  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .step-card:not(:last-child)::after {
    display: none;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .preview-grid {
    grid-template-columns: 1fr;
  }

  .cta-box {
    padding: var(--space-10) var(--space-6);
  }

  .footer-inner {
    flex-direction: column;
    gap: var(--space-6);
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ============================================
   Animations (on-scroll reveal)
   ============================================ */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger > .fade-in:nth-child(1) { transition-delay: 0ms; }
.stagger > .fade-in:nth-child(2) { transition-delay: 100ms; }
.stagger > .fade-in:nth-child(3) { transition-delay: 200ms; }
.stagger > .fade-in:nth-child(4) { transition-delay: 300ms; }
.stagger > .fade-in:nth-child(5) { transition-delay: 400ms; }

/* Mobile nav overlay */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
}

.mobile-nav-overlay.open {
  display: block;
}

.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  background: var(--color-white);
  z-index: 101;
  padding: var(--space-8) var(--space-6);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-xl);
}

.mobile-nav-panel.open {
  transform: translateX(0);
}

.mobile-nav-panel .close-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-gray-600);
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
}

.mobile-nav-panel ul {
  list-style: none;
  margin-top: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.mobile-nav-panel a {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-gray-700);
  display: block;
  padding: var(--space-2) 0;
}

.mobile-nav-panel .btn {
  width: 100%;
  margin-top: var(--space-6);
}

/* ============================================
   Shared Components — Forms
   ============================================ */

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

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  color: var(--color-gray-800);
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  line-height: 1.5;
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

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

.form-input:focus {
  border-color: var(--color-blue-500);
  box-shadow: 0 0 0 3px rgba(37, 99, 168, 0.1);
}

.form-input.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.08);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--font-size-xs);
  color: #ef4444;
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

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

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-blue-600);
  flex-shrink: 0;
  cursor: pointer;
}

.form-checkbox span {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: 1.5;
}

.form-checkbox a {
  color: var(--color-blue-600);
  font-weight: 500;
}

.form-checkbox a:hover {
  text-decoration: underline;
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.form-link {
  font-size: var(--font-size-sm);
  color: var(--color-blue-600);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.form-link:hover {
  color: var(--color-blue-700);
  text-decoration: underline;
}

/* ============================================
   Shared Components — Auth Page Layout
   ============================================ */

.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, var(--color-blue-50) 0%, var(--color-bg) 60%);
}

.auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(64px + var(--space-10)) var(--space-6) var(--space-10);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-8);
  box-shadow: var(--shadow-md);
}

.auth-card-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-card-header h1 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.auth-card-header p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.auth-card-footer {
  text-align: center;
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-gray-200);
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.auth-card-footer a {
  color: var(--color-blue-600);
  font-weight: 600;
}

.auth-card-footer a:hover {
  text-decoration: underline;
}

/* ============================================
   Shared Components — Status Page
   ============================================ */

.status-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
}

.status-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(64px + var(--space-10)) var(--space-6) var(--space-10);
}

.status-card {
  text-align: center;
  max-width: 480px;
  padding: var(--space-10);
}

.status-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.status-icon.info {
  background: var(--color-blue-50);
  color: var(--color-blue-600);
}

.status-icon.success {
  background: var(--color-green-50);
  color: var(--color-green-600);
}

.status-icon.warning {
  background: #fef3c7;
  color: #d97706;
}

.status-icon.error {
  background: #fef2f2;
  color: #ef4444;
}

.status-icon svg {
  width: 36px;
  height: 36px;
}

.status-card h1 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}

.status-card p {
  font-size: var(--font-size-base);
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.status-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Shared Components — Button Variants
   ============================================ */

.btn-block {
  width: 100%;
}

.btn-ghost {
  background: none;
  border: none;
  color: var(--color-blue-600);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
}

.btn-ghost:hover {
  background: var(--color-blue-50);
  color: var(--color-blue-700);
}

.btn-danger {
  background-color: #ef4444;
  color: var(--color-white);
  box-shadow: 0 1px 3px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-sm {
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-4);
}

/* ============================================
   Shared Components — Alerts
   ============================================ */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  margin-bottom: var(--space-5);
}

.alert svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.alert-info {
  background: var(--color-blue-50);
  color: var(--color-blue-700);
  border: 1px solid var(--color-blue-100);
}

.alert-success {
  background: var(--color-green-50);
  color: #15803d;
  border: 1px solid var(--color-green-100);
}

.alert-warning {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}

.alert-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ============================================
   Django integration helpers
   ============================================ */

.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;
}

.django-messages {
  padding-top: calc(64px + var(--space-5));
}

.navbar-actions form {
  display: flex;
}

.empty-state {
  grid-column: 1 / -1;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  text-align: center;
}

.empty-state h2 {
  font-size: var(--font-size-lg);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.empty-state p,
.muted-text {
  color: var(--color-gray-500);
}

.video-player video {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 420px;
  border: 0;
  background: #000;
}

.player-status {
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
  margin-top: var(--space-3);
}

.account-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.account-actions form {
  display: flex;
}

.support-form {
  display: grid;
  gap: var(--space-5);
}

.support-form textarea {
  min-height: 140px;
  resize: vertical;
}

.support-ticket + .support-ticket {
  border-top: 1px solid var(--color-gray-200);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
}

/* ============================================
   Shared Components — Divider
   ============================================ */

.divider-text {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.divider-text::before,
.divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-gray-200);
}

/* ============================================
   Shared Components — Logged Navbar
   ============================================ */

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

.navbar-logged .navbar-nav a.active {
  color: var(--color-blue-600);
  font-weight: 600;
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.navbar-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-blue-100);
  color: var(--color-blue-700);
  font-size: var(--font-size-sm);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.navbar-user-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
}

/* ============================================
   Shared Components — Badge
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  line-height: 1.6;
}

.badge-green {
  background: var(--color-green-50);
  color: var(--color-green-600);
  border: 1px solid var(--color-green-100);
}

.badge-blue {
  background: var(--color-blue-50);
  color: var(--color-blue-600);
  border: 1px solid var(--color-blue-100);
}

.badge-yellow {
  background: #fef3c7;
  color: #d97706;
  border: 1px solid #fde68a;
}

.badge-red {
  background: #fef2f2;
  color: #ef4444;
  border: 1px solid #fecaca;
}

.badge-gray {
  background: var(--color-gray-100);
  color: var(--color-gray-600);
  border: 1px solid var(--color-gray-200);
}

/* ============================================
   Responsive — New Components
   ============================================ */

@media (max-width: 768px) {
  .auth-card {
    padding: var(--space-8) var(--space-5);
    border: none;
    box-shadow: none;
    background: transparent;
  }

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

  .navbar-user-name {
    display: none;
  }

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