/* ══════════════════════════════════════════════════════════════════════════
   HEADER + HUD TOOLBAR + ADMIN BUTTON + GLASS CARD WRAPPER
   ══════════════════════════════════════════════════════════════════════════ */

.site-header {
  background: rgba(3, 7, 18, 0.45);
  border-bottom: 1px solid var(--glass-border);
  padding: 1.25rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
  gap: 1.5rem;
}

.site-logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: var(--transition);
}

.site-logo-link:hover {
  transform: translateY(-1px);
}

/* Custom CSS Logo */
.site-logo-box {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
  font-weight: 800;
  color: var(--text-dark);
  font-size: 1.3rem;
  letter-spacing: -1px;
}

.site-title h1 {
  font-size: 1.35rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.site-title p {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 2px;
  letter-spacing: 0.5px;
}

/* ── HUD Toolbar buttons ── */
.hdr-tools {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hdr-tool-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 0.55rem 1rem;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: inherit;
  white-space: nowrap;
}

.hdr-tool-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.15);
  transform: translateY(-1px);
}

.hdr-tool-btn.active {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 242, 254, 0.1);
}

/* Sleep timer count select style */
.sleep-select {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 0.55rem 0.75rem;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  outline: none;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
}

.sleep-select:hover, .sleep-select:focus {
  border-color: var(--neon-cyan);
}

.sleep-countdown {
  font-size: 0.82rem;
  color: var(--neon-cyan);
  font-weight: 700;
  font-family: 'Fira Code', monospace;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  padding: 0.45rem 0.75rem;
  border-radius: 10px;
  display: none;
}

.btn-admin {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.15) 0%, rgba(168, 85, 247, 0.03) 100%);
  border: 1px solid var(--neon-purple);
  color: var(--neon-purple);
  padding: 0.55rem 1.1rem;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-admin:hover {
  background: var(--neon-purple);
  color: var(--bg-dark);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
}

/* ── Content Layout Sections ── */
.section-wrap {
  max-width: 1440px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
  color: var(--text-dark);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 1.5px;
  padding: 0.45rem 1.25rem;
  border-radius: 30px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.2);
}

/* ── Glass Cards ── */
.music-card {
  background: var(--glass-bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  padding: 2rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
}

.music-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

/* ── Web App Footer ── */
.site-footer {
  text-align: center;
  padding: 2.5rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--glass-border);
  background: rgba(3, 7, 18, 0.2);
  margin-top: 4rem;
}

.site-footer b {
  color: var(--neon-cyan);
}