@import "tailwindcss";

:root {
  --background: #0f172a;
  --foreground: #f8fafc;
  --primary: #3b82f6;
  --secondary: #64748b;
  --accent: #8b5cf6;
}

@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-primary: var(--primary);
  --color-secondary: var(--secondary);
  --color-accent: var(--accent);
  --font-sans: var(--font-geist-sans);
  --font-mono: var(--font-geist-mono);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.5s ease, color 0.5s ease;
}

/* Transitions fluides pour les thèmes */
.theme-transition {
  transition: background-color 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              color 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Animation de l'horloge numérique */
@keyframes pulse-subtle {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.clock-pulse {
  animation: pulse-subtle 1s ease-in-out infinite;
}

/* Animation pour les secondes de l'horloge analogique */
@keyframes smooth-second {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.second-hand-smooth {
  animation: smooth-second 60s linear infinite;
}

/* Styles pour le mode plein écran */
.fullscreen-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 1rem;
}

/* Focus visible pour l'accessibilité */
*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Amélioration du contraste pour l'accessibilité */
.high-contrast {
  --background: #000000;
  --foreground: #ffffff;
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--secondary);
  border-radius: 4px;
}

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

/* Styles pour les sélecteurs */
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}

/* Animation d'apparition */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-fade-in {
  animation: fadeIn 0.3s ease-out forwards;
}

/* Styles pour le panneau de paramètres */
.settings-panel {
  backdrop-filter: blur(12px);
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Horloge analogique - styles de base */
.clock-face {
  position: relative;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(255,255,255,0.1), rgba(0,0,0,0.2));
  box-shadow: 
    inset 0 0 30px rgba(0,0,0,0.3),
    0 0 50px rgba(0,0,0,0.2);
}

.clock-hand {
  position: absolute;
  bottom: 50%;
  left: 50%;
  transform-origin: bottom center;
  border-radius: 4px;
}

.clock-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  z-index: 10;
}

/* ===== Contenu SEO visible en bas de page ===== */
.seo-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  color: rgba(148, 163, 184, 0.85);
  font-size: 0.95rem;
  line-height: 1.7;
}

.seo-content h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: rgba(248, 250, 252, 0.95);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.seo-content .seo-intro {
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
  color: rgba(148, 163, 184, 0.9);
}

.seo-content h2 {
  font-size: 1.35rem;
  font-weight: 600;
  color: rgba(248, 250, 252, 0.9);
  margin-bottom: 1.25rem;
  margin-top: 2.5rem;
}

.seo-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: rgba(248, 250, 252, 0.85);
  margin-bottom: 0.5rem;
}

.seo-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.seo-feature {
  padding: 1.25rem;
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.seo-feature p {
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

/* FAQ en bas de page */
.seo-faq {
  margin-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
}

.seo-faq details {
  margin-bottom: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.5rem;
  overflow: hidden;
}

.seo-faq details summary {
  padding: 0.875rem 1.25rem;
  cursor: pointer;
  font-weight: 500;
  color: rgba(248, 250, 252, 0.9);
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.03);
  transition: background 0.2s;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.seo-faq details summary::before {
  content: '▸';
  transition: transform 0.2s;
  flex-shrink: 0;
}

.seo-faq details[open] summary::before {
  transform: rotate(90deg);
}

.seo-faq details summary:hover {
  background: rgba(255, 255, 255, 0.06);
}

.seo-faq details summary::-webkit-details-marker {
  display: none;
}

.seo-faq details > div {
  padding: 0 1.25rem 1rem;
}

.seo-faq details p {
  font-size: 0.9rem;
  line-height: 1.6;
}

@media (max-width: 640px) {
  .seo-content {
    padding: 2rem 1rem 3rem;
  }
  
  .seo-content h1 {
    font-size: 1.4rem;
  }
  
  .seo-features {
    grid-template-columns: 1fr;
  }
}

/* ===== Skip to content (accessibilité) ===== */
.skip-to-content {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.75rem 1.5rem;
  background: var(--primary);
  color: #fff;
  border-radius: 0 0 0.5rem 0.5rem;
  z-index: 9999;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.2s;
}

.skip-to-content:focus {
  top: 0;
}

/* ===== Footer SEO ===== */
.seo-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem 2.25rem;
  color: rgba(148, 163, 184, 0.75);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0) 0%,
    rgba(15, 23, 42, 0.35) 20%,
    rgba(15, 23, 42, 0.65) 100%
  );
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.seo-footer h2 {
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  margin-bottom: 0.9rem;
  color: rgba(248, 250, 252, 0.95);
}

.seo-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.65rem;
}

.seo-footer a {
  color: rgba(148, 163, 184, 0.82);
  text-decoration: none;
  transition: color 0.2s ease;
}

.seo-footer a:hover {
  color: rgba(248, 250, 252, 0.98);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1rem;
  font-size: 0.9rem;
  display: grid;
  gap: 0.35rem;
}

.footer-bottom p {
  margin: 0;
}

/* ===== Pages legales ===== */
.legal-page {
  width: min(100% - 2rem, 760px);
  margin: 0 auto;
  padding: 3rem 0 4rem;
  color: rgba(226, 232, 240, 0.92);
}

.legal-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 1.1rem;
}

.legal-header h1 {
  font-size: clamp(1.8rem, 3vw, 2.25rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: rgba(248, 250, 252, 0.98);
  font-weight: 650;
}

.legal-header p {
  margin-top: 0.45rem;
  color: rgba(148, 163, 184, 0.85);
  font-size: 0.92rem;
}

.legal-sections {
  margin-top: 1.8rem;
}

.legal-sections section {
  padding-top: 1.1rem;
}

.legal-sections section + section {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 1.2rem;
}

.legal-sections h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: rgba(248, 250, 252, 0.96);
  margin-bottom: 0.5rem;
}

.legal-sections p {
  line-height: 1.65;
  color: rgba(203, 213, 225, 0.95);
}

.legal-sections a {
  color: rgba(224, 242, 254, 0.94);
}

@media (max-width: 640px) {
  .legal-page {
    width: min(100% - 1.25rem, 760px);
    padding: 2.25rem 0 3rem;
  }

  .legal-sections section {
    padding-top: 0.95rem;
  }
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .seo-footer {
    padding: 2.5rem 1rem 1.75rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
  }

  .footer-bottom {
    font-size: 0.85rem;
  }
}