/* Écran d'accueil */
#screen-home {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
}

.home-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px circle at 50% 0%, rgba(124, 108, 246, 0.18), transparent 60%),
    radial-gradient(500px circle at 100% 100%, rgba(76, 141, 255, 0.12), transparent 60%);
  pointer-events: none;
}

.home-content {
  position: relative;
  width: 100%;
  max-width: 420px;
  text-align: center;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.brand-icon {
  width: 32px;
  height: 32px;
  color: var(--color-accent-2);
}

.brand h1 {
  font-size: 1.75rem;
}

.brand h1 span {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.home-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.home-form {
  text-align: left;
  margin-top: var(--space-5);
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
}

.home-form label:first-child {
  margin-top: 0;
}

.home-form button[type="submit"] {
  margin-top: var(--space-5);
}

.admin-dashboard {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow-y: auto;
}

.admin-dashboard .track-list {
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
}

/* Écran session */
#screen-session {
  display: flex;
  flex-direction: column;
  height: 100dvh;
}

.session-header {
  height: var(--header-height);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.session-info {
  flex: 1;
  min-width: 0;
}

.session-info h2 {
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-code {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.session-code svg {
  width: 14px;
  height: 14px;
}

.session-count {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  flex-shrink: 0;
  padding: 0 var(--space-2);
}

.session-count svg {
  width: 18px;
  height: 18px;
}

.tabs {
  display: flex;
  height: var(--tab-height);
  flex-shrink: 0;
  border-bottom: 1px solid var(--color-border);
}

.tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  position: relative;
  transition: color var(--duration-fast) var(--ease-standard);
}

.tab svg {
  width: 18px;
  height: 18px;
}

.tab.active {
  color: var(--color-text);
}

.tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 2px;
  background: var(--color-accent-gradient);
  border-radius: var(--radius-full);
}

.panel {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.search-bar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.search-bar .search-icon {
  position: absolute;
  margin-left: var(--space-3);
  width: 18px;
  height: 18px;
  color: var(--color-text-dim);
  pointer-events: none;
}

.search-bar input {
  padding-left: 42px;
}

/* Tablette / desktop : mise en page centrée, plus respirante */
@media (min-width: 860px) {
  #screen-session {
    height: 100vh;
  }

  .session-header,
  .tabs,
  .search-bar {
    padding-left: max(var(--space-4), calc((100% - 720px) / 2));
    padding-right: max(var(--space-4), calc((100% - 720px) / 2));
  }

  .track-list {
    max-width: 720px;
    margin: 0 auto;
    width: 100%;
  }
}

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