/* ═══════════════════════════════════════════════════════════════════
   AURALIS · Sleep Mode — нощен екран
   ───────────────────────────────────────────────────────────────────
   Full-screen takeover (renders into #app). Dark night background дори
   при light theme (night use case).
   ═══════════════════════════════════════════════════════════════════ */

.sleep-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: env(safe-area-inset-top, 16px) 24px env(safe-area-inset-bottom, 24px);
  overflow-y: auto;
  background:
    radial-gradient(ellipse 800px 600px at 50% 30%, hsl(var(--hue2) 60% 22% / 0.6) 0%, transparent 70%),
    linear-gradient(180deg, #0a0c14 0%, #060810 100%);
  color: hsl(220 15% 92%);
  animation: sleepFadeIn 0.35s ease;
}

/* Light theme retains dark sleep canvas (per BIBLE — night use) */

/* ═══ CLOSE BUTTON (top right) ═══ */
.sleep-close {
  position: absolute;
  top: calc(env(safe-area-inset-top, 0) + 12px);
  right: 12px;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: var(--radius-icon);
  background: hsl(220 25% 8% / 0.7);
  backdrop-filter: blur(8px);
  color: hsl(220 15% 80%);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.sleep-close:hover,
.sleep-close:focus-visible {
  color: white;
  background: hsl(220 25% 12% / 0.9);
  outline: none;
}
.sleep-close svg { width: 22px; height: 22px; }

/* ═══ HEADER ═══ */
.sleep-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 32px 0 24px;
}
.sleep-moon {
  display: grid;
  place-items: center;
  color: hsl(var(--hue1) 60% 75%);
}
.sleep-moon svg { width: 24px; height: 24px; }
.sleep-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.005em;
  color: hsl(220 15% 96%);
}

/* ═══ CURRENTLY PLAYING ═══ */
.sleep-now-playing {
  width: 100%;
  max-width: 380px;
  text-align: center;
  padding: 28px 16px;
  margin-bottom: 20px;
  border-radius: var(--radius);
  background:
    linear-gradient(235deg, hsl(var(--hue1) 50% 14% / .8), hsl(var(--hue1) 50% 14% / 0) 33%),
    linear-gradient(45deg,  hsl(var(--hue2) 50% 14% / .8), hsl(var(--hue2) 50% 14% / 0) 33%),
    linear-gradient(hsl(220 25% 6% / .85));
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 24px hsl(var(--hue2) 50% 2% / 0.6);
}
.sleep-np-title {
  font-size: 20px;
  font-weight: 800;
  color: hsl(220 15% 96%);
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.sleep-np-subtitle {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: hsl(220 15% 70%);
  letter-spacing: 0.02em;
}

/* ═══ EMPTY STATE (no sound playing) ═══ */
.sleep-no-sound {
  width: 100%;
  max-width: 380px;
  text-align: center;
  padding: 28px 20px;
  margin-bottom: 20px;
  border-radius: var(--radius);
  background: hsl(220 25% 6% / 0.6);
  backdrop-filter: blur(8px);
}
.sleep-no-sound-text {
  font-size: 15px;
  color: hsl(220 15% 75%);
  margin-bottom: 14px;
  line-height: 1.4;
}
.sleep-open-library {
  min-height: 44px;
  padding: 10px 22px;
  border: none;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, hsl(var(--hue1) 70% 55%), hsl(var(--hue2) 65% 55%));
  color: white;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 14px hsl(var(--hue1) 60% 45% / 0.45);
  transition: transform var(--dur-fast) var(--ease);
}
.sleep-open-library:active { transform: scale(0.97); }

/* ═══ TIMER SECTION ═══ */
.sleep-timer-section {
  width: 100%;
  max-width: 380px;
  margin-bottom: 24px;
}
.sleep-timer-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: hsl(220 15% 70%);
  margin-bottom: 10px;
  text-align: center;
}
.sleep-timer-chips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}
.sleep-chip {
  min-height: 48px;
  padding: 10px 8px;
  border: 1px solid hsl(220 20% 18%);
  border-radius: var(--radius-sm);
  background: hsl(220 25% 8% / 0.6);
  color: hsl(220 15% 85%);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.sleep-chip:hover,
.sleep-chip:focus-visible {
  background: hsl(220 25% 12% / 0.8);
  color: white;
  outline: none;
}
.sleep-chip.is-active {
  background: linear-gradient(135deg, hsl(var(--hue1) 70% 55%), hsl(var(--hue2) 65% 55%));
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 14px hsl(var(--hue1) 60% 45% / 0.4);
}
.sleep-stop-time {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: hsl(var(--hue3) 60% 75%);
  letter-spacing: 0.04em;
  text-align: center;
  min-height: 18px;
}

/* ═══ SPACER (push SOS to bottom) ═══ */
.sleep-spacer { flex: 1; min-height: 24px; }

/* ═══ SOS BUTTON (BIG, prominent — safety) ═══ */
.sleep-sos-btn {
  width: 100%;
  max-width: 380px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  border: none;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, hsl(345 70% 50%), hsl(355 75% 45%));
  color: white;
  cursor: pointer;
  text-align: left;
  box-shadow:
    0 10px 28px hsl(355 70% 30% / 0.5),
    inset 0 1px 0 hsl(0 0% 100% / 0.15);
  transition: transform var(--dur-fast) var(--ease);
  margin-top: 16px;
}
.sleep-sos-btn:active { transform: scale(0.98); }
.sleep-sos-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-icon);
  background: hsl(0 0% 100% / 0.15);
}
.sleep-sos-icon svg { width: 28px; height: 28px; }
.sleep-sos-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}
.sleep-sos-title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.005em;
  line-height: 1.2;
}
.sleep-sos-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: hsl(0 0% 100% / 0.85);
  letter-spacing: 0.04em;
}

/* ═══ ANIMATIONS ═══ */
@keyframes sleepFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .sleep-screen { animation: none; }
}