/* ============================================
   TempMail Pro - Single Page Stylesheet
   Modern, responsive CSS with light/dark mode
   ============================================ */

/* CSS Variables */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --primary-bg: rgba(99, 102, 241, 0.1);
  --secondary: #10b981;
  --secondary-dark: #059669;
  --accent: #f59e0b;
  --danger: #ef4444;
  --whatsapp: #25D366;
  
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --card-bg: #ffffff;
  
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  --transition: 250ms ease;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --container-max: 1200px;
}

[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #334155;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --card-bg: #1e293b;
  --primary-bg: rgba(99, 102, 241, 0.2);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* Typography */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; color: var(--text-primary); }
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: 1.25rem; }
p { color: var(--text-secondary); margin-bottom: var(--spacing-md); }
.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-muted { color: var(--text-muted); }

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Header */
.header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: var(--container-max);
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-primary);
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}
.nav { display: flex; align-items: center; gap: var(--spacing-lg); }
.nav-links { display: flex; gap: var(--spacing-sm); }
.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}
.nav-link:hover { color: var(--primary); background: var(--primary-bg); }
.nav-actions { display: flex; gap: var(--spacing-sm); }

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: all var(--transition);
}
.theme-toggle:hover { background: var(--primary); color: white; }
.theme-toggle .fa-sun { display: none; }
[data-theme="dark"] .theme-toggle .fa-moon { display: none; }
[data-theme="dark"] .theme-toggle .fa-sun { display: block; }

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.mobile-menu-btn span {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 73px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  padding: var(--spacing-lg);
  z-index: 99;
}
.mobile-menu.active { display: block; }
.mobile-menu .nav-links { flex-direction: column; }
.mobile-menu .nav-link { display: block; padding: var(--spacing-md); font-size: 1.125rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5); color: white; }
.btn-secondary { background: var(--bg-tertiary); color: var(--text-primary); }
.btn-secondary:hover { background: var(--border-color); }
.btn-success {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: white;
}
.btn-success:hover { transform: translateY(-2px); color: white; }
.btn-whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white;
}
.btn-whatsapp:hover { transform: translateY(-2px); color: white; }
.btn-linkedin {
  background: #0A66C2;
  color: white;
}
.btn-linkedin:hover { background: #004182; color: white; }
.btn-lg { padding: var(--spacing-md) var(--spacing-xl); font-size: 1rem; }
.btn-sm { padding: var(--spacing-xs) var(--spacing-md); font-size: 0.875rem; }

/* Hero */
.hero {
  padding: var(--spacing-2xl) 0;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--primary-bg), transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-lg);
}
.hero-title { margin-bottom: var(--spacing-lg); }
.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}
.hero-actions { display: flex; justify-content: center; gap: var(--spacing-md); flex-wrap: wrap; }

/* Service Sections */
.service-section { padding: var(--spacing-2xl) 0; }
.service-section.alt-bg { background: var(--bg-primary); }
.section-header { text-align: center; margin-bottom: var(--spacing-xl); }
.section-header h2 { display: flex; align-items: center; justify-content: center; gap: var(--spacing-sm); }
.service-grid { display: grid; grid-template-columns: 1fr; gap: var(--spacing-xl); }
@media (min-width: 992px) {
  .service-grid { grid-template-columns: 2fr 1fr; }
}
.service-main { display: flex; flex-direction: column; gap: var(--spacing-lg); }
.service-sidebar { display: flex; flex-direction: column; gap: var(--spacing-lg); }

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: all var(--transition);
}
.card:hover { box-shadow: 0 10px 25px var(--shadow-color); }
.info-card ul { display: flex; flex-direction: column; gap: var(--spacing-sm); margin-top: var(--spacing-md); }
.info-card li { display: flex; gap: var(--spacing-sm); color: var(--text-secondary); }
.info-card li i { color: var(--secondary); margin-top: 4px; }

/* Generator Box */
.generator-box {
  background: linear-gradient(135deg, var(--primary-bg), transparent);
  border: 2px solid var(--primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
}
.generator-box.phone-box { border-color: var(--secondary); background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), transparent); }
.generator-box.whatsapp-box { border-color: var(--whatsapp); background: linear-gradient(135deg, rgba(37, 211, 102, 0.1), transparent); }
.generator-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
}
.generator-value {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}
.generator-value input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: 'Courier New', monospace;
  outline: none;
}
.generator-actions { display: flex; gap: var(--spacing-sm); flex-wrap: wrap; }
.status-message {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  display: none;
}
.status-message.show { display: block; }
.status-message.success { background: rgba(16, 185, 129, 0.1); color: var(--secondary); }
.status-message.error { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.status-message.loading { background: var(--primary-bg); color: var(--primary); }

/* Country Select */
.country-select {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
  margin-top: var(--spacing-sm);
}
.country-select:focus { outline: none; border-color: var(--primary); }

/* Inbox */
.inbox {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.inbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}
.inbox-title { display: flex; align-items: center; gap: var(--spacing-sm); font-weight: 600; }
.inbox-count {
  background: var(--primary);
  color: white;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}
.inbox-list { max-height: 400px; overflow-y: auto; }
.inbox-empty {
  padding: var(--spacing-2xl);
  text-align: center;
  color: var(--text-muted);
}
.inbox-empty i { font-size: 3rem; margin-bottom: var(--spacing-md); opacity: 0.5; }
.inbox-empty p { margin: 0; }

/* Message Item */
.message-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background var(--transition);
}
.message-item:hover { background: var(--bg-tertiary); }
.message-item.unread { background: var(--primary-bg); }
.message-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  flex-shrink: 0;
}
.message-content { flex: 1; min-width: 0; }
.message-header { display: flex; justify-content: space-between; margin-bottom: var(--spacing-xs); }
.message-sender { font-weight: 600; color: var(--text-primary); }
.message-time { font-size: 0.75rem; color: var(--text-muted); }
.message-subject { font-weight: 500; margin-bottom: var(--spacing-xs); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.message-preview { font-size: 0.875rem; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* WhatsApp Status */
.whatsapp-status {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(37, 211, 102, 0.1);
  border-radius: var(--radius-lg);
  color: var(--whatsapp);
  font-weight: 600;
}
.whatsapp-status.waiting { animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }

/* Notice Box */
.notice-box {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}
.notice-box.warning { background: rgba(245, 158, 11, 0.1); border-color: var(--accent); }
.notice-box h4 { display: flex; align-items: center; gap: var(--spacing-sm); margin-bottom: var(--spacing-sm); color: var(--primary); }
.notice-box.warning h4 { color: var(--accent); }
.notice-box p { margin: 0; font-size: 0.875rem; }

/* About Section */
.about-content { display: flex; justify-content: center; }
.about-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  text-align: center;
  max-width: 500px;
}
.about-avatar {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
}
.about-card h3 { margin-bottom: var(--spacing-md); }
.about-card p { margin-bottom: var(--spacing-lg); }
.about-links { margin-bottom: var(--spacing-lg); }
.about-features { display: flex; justify-content: center; gap: var(--spacing-lg); flex-wrap: wrap; }
.feature-item { display: flex; align-items: center; gap: var(--spacing-sm); color: var(--text-secondary); }
.feature-item i { color: var(--primary); }

/* Legal Content */
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
}
.legal-card h3 { margin: var(--spacing-xl) 0 var(--spacing-md); color: var(--primary); }
.legal-card h3:first-child { margin-top: 0; }
.legal-card ul { margin: var(--spacing-md) 0; padding-left: var(--spacing-lg); }
.legal-card li { color: var(--text-secondary); margin-bottom: var(--spacing-sm); position: relative; padding-left: var(--spacing-md); }
.legal-card li::before { content: '•'; position: absolute; left: 0; color: var(--primary); }

/* Ads */
.ad {
  background: var(--bg-tertiary);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: var(--spacing-md);
}
.ad-header { height: 90px; margin-bottom: var(--spacing-lg); }
.ad-sidebar { height: 250px; }
.ad-footer { height: 90px; margin-top: var(--spacing-lg); }
.ad-inline { height: 100px; margin: var(--spacing-lg) 0; }

/* Footer */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
  margin-top: var(--spacing-xl);
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--spacing-xl); margin-bottom: var(--spacing-xl); }
.footer-brand { max-width: 280px; }
.footer-brand .logo { margin-bottom: var(--spacing-md); }
.footer-brand p { font-size: 0.875rem; }
.footer-title { font-size: 1rem; font-weight: 600; margin-bottom: var(--spacing-md); }
.footer-links { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.footer-links a { color: var(--text-secondary); font-size: 0.875rem; }
.footer-links a:hover { color: var(--primary); }
.footer-social { display: flex; gap: var(--spacing-sm); margin-top: var(--spacing-md); }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--primary); color: white; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}
.footer-bottom p { margin: 0; font-size: 0.875rem; color: var(--text-muted); }
.footer-legal { display: flex; gap: var(--spacing-lg); }
.footer-legal a { color: var(--text-muted); font-size: 0.875rem; }

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  box-shadow: 0 -4px 20px var(--shadow-color);
  z-index: 1000;
  display: none;
}
.cookie-banner.show { display: block; }
.cookie-content {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}
.cookie-content p { margin: 0; flex: 1; min-width: 250px; }
.cookie-actions { display: flex; gap: var(--spacing-sm); }

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1001;
  display: none;
  padding: var(--spacing-lg);
  overflow-y: auto;
}
.modal.show { display: flex; align-items: flex-start; justify-content: center; padding-top: 10vh; }
.modal-content {
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 600px;
  animation: modalIn 0.25s ease;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}
.modal-header h3 { margin: 0; }
.modal-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}
.modal-close:hover { background: var(--danger); color: white; }
.modal-body { padding: var(--spacing-xl); }
.modal-from { font-weight: 600; margin-bottom: var(--spacing-sm); }
.modal-date { font-size: 0.875rem; color: var(--text-muted); margin-bottom: var(--spacing-lg); }
.modal-text { line-height: 1.8; color: var(--text-secondary); white-space: pre-wrap; word-wrap: break-word; }

/* Toast */
.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 1002;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px var(--shadow-color);
  animation: toastIn 0.25s ease;
  min-width: 280px;
}
@keyframes toastIn { from { opacity: 0; transform: translateX(100%); } to { opacity: 1; transform: translateX(0); } }
.toast.success { border-left: 4px solid var(--secondary); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--primary); }
.toast-icon { font-size: 1.25rem; }
.toast.success .toast-icon { color: var(--secondary); }
.toast.error .toast-icon { color: var(--danger); }
.toast.info .toast-icon { color: var(--primary); }
.toast-message { flex: 1; font-weight: 500; }
.toast-close { color: var(--text-muted); padding: var(--spacing-xs); }
.toast-close:hover { color: var(--text-primary); }

/* Loading Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--border-color) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.skeleton-message { display: flex; gap: var(--spacing-md); padding: var(--spacing-lg); border-bottom: 1px solid var(--border-color); }
.skeleton-avatar { width: 48px; height: 48px; border-radius: var(--radius-full); }
.skeleton-content { flex: 1; }
.skeleton-text { height: 1rem; margin-bottom: var(--spacing-sm); }
.skeleton-text:last-child { width: 60%; }

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: flex; }
  .hero { padding: var(--spacing-xl) 0; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 300px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cookie-content { flex-direction: column; text-align: center; }
  .generator-actions { flex-direction: column; }
  .generator-actions .btn { width: 100%; }
}

@media (max-width: 480px) {
  html { font-size: 14px; }
  .toast-container { left: var(--spacing-md); right: var(--spacing-md); }
  .toast { min-width: auto; }
}