/* ==========================================================================
   Evr Transcribe - Design System
   ========================================================================== */

:root {
  /* Brand Colors */
  --color-primary: #0D47A1;
  --color-primary-light: #1565C0;
  --color-primary-dark: #0A3A85;
  --color-primary-bg: #E3F2FD;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;

  /* Semantic */
  --color-success: #10B981;
  --color-error: #EF4444;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* 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;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-gray-700);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-light);
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

/* ==========================================================================
   Container
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  color: var(--color-gray-900);
  font-weight: 600;
  line-height: 1.3;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

@media (min-width: 768px) {
  h1 {
    font-size: 3.5rem;
  }
  h2 {
    font-size: 2.5rem;
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  border-radius: var(--radius-md);
  border: none;
  transition: all var(--transition-fast);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-white);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary-bg);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: 1.125rem;
}

.btn-block {
  width: 100%;
}

.btn-outline {
  background-color: var(--color-white);
  color: var(--color-gray-700);
  border: 2px solid var(--color-gray-200);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline.selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-bg);
  color: var(--color-primary);
}

/* Plan Selection Buttons */
.plan-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.plan-btn {
  flex: 1;
  min-width: 100px;
  flex-direction: column;
  padding: 16px 12px;
  gap: 4px;
}

.plan-btn .plan-name {
  font-weight: 600;
}

.plan-btn .plan-price {
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

.plan-btn.selected .plan-price {
  color: var(--color-primary);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-100);
  z-index: 1000;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-gray-900);
  font-weight: 600;
  font-size: 1.25rem;
}

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

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  border-radius: var(--radius-md);
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  color: var(--color-gray-600);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link-cta {
  padding: var(--space-2) var(--space-5);
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
}

.nav-link-cta:hover {
  background-color: var(--color-primary-light);
  color: var(--color-white);
}

/* Signed-in user nav link */
.nav-user {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  border-radius: var(--radius-full);
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

.nav-user:hover {
  background-color: var(--color-gray-200);
  color: var(--color-gray-800);
}

.nav-user-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.nav-mobile-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
}

.nav-mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-gray-700);
  transition: all var(--transition-fast);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
  .nav-mobile-toggle {
    display: none;
  }
}

/* Mobile menu open state */
.nav-links-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-gray-100);
  gap: var(--space-4);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  padding: calc(72px + var(--space-16)) 0 var(--space-16);
  text-align: center;
  background: linear-gradient(180deg, var(--color-primary-bg) 0%, var(--color-white) 100%);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-gray-600);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

.hero-platform-note {
  margin-top: var(--space-4);
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

/* ==========================================================================
   Features Section
   ========================================================================== */

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

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-12);
}

.section-header p {
  color: var(--color-gray-500);
  margin-top: var(--space-4);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background-color: var(--color-gray-50);
  transition: all var(--transition-base);
}

.feature-card:hover {
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-primary-bg);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
}

.feature-card h3 {
  margin-bottom: var(--space-2);
  font-size: 1.125rem;
}

.feature-card p {
  color: var(--color-gray-500);
  font-size: 0.95rem;
}

/* ==========================================================================
   How It Works Section
   ========================================================================== */

.how-it-works {
  padding: var(--space-20) 0;
  background-color: var(--color-gray-50);
}

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step {
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.step h3 {
  margin-bottom: var(--space-2);
}

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

/* ==========================================================================
   Pricing Section
   ========================================================================== */

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

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-card {
  padding: var(--space-8);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.pricing-card-featured {
  border-color: var(--color-primary);
  background-color: var(--color-primary-bg);
  position: relative;
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
}

.pricing-card h3 {
  margin-bottom: var(--space-2);
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-gray-500);
}

.pricing-trial {
  color: var(--color-gray-500);
  font-size: 0.875rem;
  margin-bottom: var(--space-6);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-8);
  text-align: left;
}

.pricing-features li {
  padding: var(--space-2) 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-gray-600);
}

.pricing-features li::before {
  content: "✓";
  color: var(--color-success);
  font-weight: 600;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta {
  padding: var(--space-20) 0;
  background-color: var(--color-primary);
  text-align: center;
}

.cta h2 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.cta p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-8);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta .btn-secondary {
  background-color: var(--color-white);
  border-color: var(--color-white);
}

/* ==========================================================================
   Footer
   ========================================================================== */

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

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
  }
}

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

.footer-tagline {
  margin-top: var(--space-2);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: var(--space-12);
}

.footer-column h4 {
  color: var(--color-white);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer-column a {
  display: block;
  color: var(--color-gray-400);
  padding: var(--space-1) 0;
  font-size: 0.875rem;
}

.footer-column a:hover {
  color: var(--color-white);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-800);
  font-size: 0.875rem;
}

/* ==========================================================================
   Auth Pages
   ========================================================================== */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  background-color: var(--color-gray-50);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: var(--space-10);
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.auth-logo .logo-icon {
  width: 48px;
  height: 48px;
  font-size: 1.5rem;
}

.auth-logo .logo-text {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-gray-900);
}

.auth-card h1 {
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
}

.auth-card > p {
  color: var(--color-gray-500);
  margin-bottom: var(--space-8);
}

.auth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.auth-btn svg {
  width: 20px;
  height: 20px;
}

.auth-btn + .auth-btn {
  margin-top: var(--space-3);
}

.google-btn {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  color: var(--color-gray-700);
}

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

.apple-btn {
  background-color: #000000;
  border: 1px solid #000000;
  color: #ffffff;
}

.apple-btn:hover {
  background-color: #1a1a1a;
}

.auth-footer {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-gray-200);
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

/* ==========================================================================
   Dashboard
   ========================================================================== */

.dashboard {
  padding: calc(72px + var(--space-12)) 0 var(--space-12);
  min-height: 100vh;
  background-color: var(--color-gray-50);
}

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

.dashboard-header h1 {
  font-size: 1.75rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-2);
  color: var(--color-gray-500);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
}

.dashboard-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-6);
}

.dashboard-card h2 {
  font-size: 1.25rem;
  margin-bottom: var(--space-4);
}

.subscription-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
}

.status-badge-active {
  background-color: #D1FAE5;
  color: #065F46;
}

.status-badge-trialing {
  background-color: #DBEAFE;
  color: #1E40AF;
}

.status-badge-inactive {
  background-color: var(--color-gray-100);
  color: var(--color-gray-600);
}

.subscription-details {
  color: var(--color-gray-500);
  font-size: 0.95rem;
  margin-bottom: var(--space-6);
}

.subscription-details p {
  margin-bottom: var(--space-1);
}

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

/* Loading state */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  color: var(--color-gray-500);
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: var(--space-3);
}

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

/* ==========================================================================
   Success Page
   ========================================================================== */

.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  background-color: var(--color-gray-50);
  text-align: center;
}

.success-card {
  max-width: 500px;
  padding: var(--space-12);
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.success-icon {
  width: 80px;
  height: 80px;
  background-color: #D1FAE5;
  color: #065F46;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto var(--space-6);
}

.success-card h1 {
  font-size: 1.75rem;
  margin-bottom: var(--space-4);
}

.success-card p {
  color: var(--color-gray-500);
  margin-bottom: var(--space-8);
}

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

/* ==========================================================================
   Utilities
   ========================================================================== */

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

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

.hidden { display: none !important; }