/* VibeFlo Design System */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a24;
  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --accent: #6366f1;
  --accent-glow: rgba(99, 102, 241, 0.3);
  --gradient-start: #6366f1;
  --gradient-end: #8b5cf6;
  --error: #ef4444;
  --success: #22c55e;
  --warning: #f59e0b;
}

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

/* Focus indicators for accessibility */
:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

body {
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Background gradient */
.bg-gradient {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    var(--bg-primary);
  z-index: -1;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

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

/* Mobile menu toggle (hamburger) - hidden on desktop */
.mobile-menu-toggle {
  display: none !important;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Hamburger animation when open */
.mobile-menu-toggle.is-open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.is-open .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.is-open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.logo-text {
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 16px;
  font-weight: 500;
  transition: color 0.2s;
  border-radius: 8px;
}

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

nav .btn-nav {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: white;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 600;
}

nav .btn-nav:hover {
  opacity: 0.9;
}

/* Footer */
footer {
  padding: 48px 0 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: var(--text-secondary);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
}

.footer-logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-copyright {
  font-size: 13px;
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

@media (max-width: 640px) {
  .footer-content {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }
  
  .footer-brand {
    align-items: center;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: white;
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: rgba(255,255,255,0.2);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.2s;
}

.card:hover {
  border-color: rgba(99, 102, 241, 0.3);
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.form-group input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group input::placeholder {
  color: var(--text-secondary);
}

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  display: none;
}

.alert.show {
  display: block;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
}

.alert-success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--success);
}

/* Google Button */
.google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 14px 24px;
  background: white;
  color: #333;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.google-btn:hover {
  background: #f5f5f5;
  transform: translateY(-2px);
}

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

/* Divider */
.divider {
  display: flex;
  align-items: center;
  margin: 28px 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.1);
}

.divider span {
  padding: 0 16px;
}

/* Auth Card */
.auth-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  padding: 48px;
  width: 100%;
  max-width: 420px;
}

.auth-logo {
  display: block;
  width: 56px;
  height: 56px;
  margin: 0 auto 24px;
}

.auth-logo img {
  width: 100%;
  height: 100%;
  border-radius: 12px;
}

.auth-card h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  text-align: center;
  text-align: center;
}

.auth-card .subtitle {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 32px;
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  color: var(--text-secondary);
  font-size: 14px;
}

.auth-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

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

/* Content Pages (Privacy, Terms) */
.content-page {
  padding: 80px 0;
}

.content-page h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.content-page .last-updated {
  color: var(--text-secondary);
  margin-bottom: 48px;
  font-size: 14px;
}

.content-page h2 {
  font-size: 24px;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.content-page p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.content-page ul, .content-page ol {
  color: var(--text-secondary);
  margin-bottom: 16px;
  padding-left: 24px;
}

.content-page li {
  margin-bottom: 8px;
}

.content-page a {
  color: var(--accent);
  text-decoration: none;
}

.content-page a:hover {
  text-decoration: underline;
}

/* Status Badges */
.badge {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
}

.badge-success {
  background: rgba(34, 197, 94, 0.2);
  color: var(--success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.badge-default {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  /* Show hamburger menu on mobile */
  .mobile-menu-toggle {
    display: flex !important;
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }
  
  /* Mobile navigation styles */
  header nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 80px 24px 24px;
    gap: 0;
    transition: right 0.3s ease;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-y: auto;
  }
  
  header nav.is-open {
    right: 0;
  }
  
  header nav a {
    display: block;
    padding: 16px 0;
    font-size: 18px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    text-align: left;
  }
  
  header nav a:last-child {
    border-bottom: none;
    margin-top: 16px;
  }
  
  header nav .btn-nav {
    text-align: center;
    padding: 14px 20px;
  }
  
  /* Overlay when menu is open */
  header nav.is-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
  }

  .content-page h1 {
    font-size: 36px;
  }

  .auth-card {
    padding: 32px 24px;
  }
}

@media (max-width: 480px) {
  .btn {
    width: 100%;
  }
}