/* ══════════════════════════════════════════════════════════════════
   PROTOCOLO NEUROTECH ESPIRITUAL — Hoja de estilos
   Paleta: #C9A96E (dorado) · #0D0B08 (negro) · EB Garamond + Cinzel
   ══════════════════════════════════════════════════════════════════ */

:root {
  --gold:       #C9A96E;
  --gold-dim:   #7A5F38;
  --gold-glow:  rgba(201,169,110,0.18);
  --black:      #0D0B08;
  --dark1:      #141109;
  --dark2:      #1C1710;
  --dark3:      #242018;
  --text:       #DDD0B3;
  --text-dim:   #7A6E58;
  --text-muted: #4A4438;
  --radius:     12px;
  --radius-sm:  7px;
  --transition: 0.35s ease;
}

/* ── Reset & base ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  height: 100%;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100%;
  background: var(--black);
  color: var(--text);
  font-family: 'EB Garamond', Georgia, serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

/* ── Tipografía ────────────────────────────────────────────────── */
h1, h2, h3, .ring-phase, .ring-timer, .logo-title, .card-title {
  font-family: 'Cinzel', 'Times New Roman', serif;
  letter-spacing: 0.08em;
}

/* ══════════════════════════════════════════════════════════════════
   PROTECTOR DE PANTALLA
   ══════════════════════════════════════════════════════════════════ */
.screensaver {
  position: fixed;
  inset: 0;
  background: rgba(13, 11, 8, 0.97);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  cursor: pointer;
  transition: opacity 0.6s ease;
}

.screensaver.hidden { display: none; }

.screensaver.fading-out { opacity: 0; pointer-events: none; }

.ss-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.ss-phase {
  font-family: 'Cinzel', serif;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gold-dim);
  text-transform: uppercase;
}

.ss-timer {
  font-family: 'Cinzel', serif;
  font-size: 2.2rem;
  color: rgba(201,169,110,0.15);
  letter-spacing: 0.1em;
}

.ss-prayer {
  font-size: 0.75rem;
  color: rgba(201,169,110,0.1);
  letter-spacing: 0.12em;
  font-style: italic;
}

.ss-hint {
  position: absolute;
  bottom: 2.5rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* ══════════════════════════════════════════════════════════════════
   LAYOUT GENERAL
   ══════════════════════════════════════════════════════════════════ */
#app {
  max-width: 600px;
  margin: 0 auto;
  padding: 1.5rem 1rem 6rem;
}

/* ── Header ────────────────────────────────────────────────────── */
.app-header {
  text-align: center;
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--dark3);
  margin-bottom: 1.5rem;
}

.logo-title {
  font-size: clamp(1.2rem, 4vw, 1.6rem);
  color: var(--gold);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.logo-sub {
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  margin-top: 0.25rem;
  font-style: italic;
}

/* ── Cards ─────────────────────────────────────────────────────── */
.card {
  background: var(--dark1);
  border: 1px solid var(--dark3);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1rem;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 0.72rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--dark3);
}

.card-hint {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
  font-style: italic;
}

/* ── Campos ────────────────────────────────────────────────────── */
.field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--dark2);
}

.field-row:last-child { border-bottom: none; }

.field-label {
  font-size: 0.9rem;
  color: var(--text-dim);
  flex-shrink: 0;
  min-width: 120px;
}

/* ── Input hora ─────────────────────────────────────────────────── */
.time-input {
  background: var(--dark2);
  border: 1px solid var(--dark3);
  border-radius: var(--radius-sm);
  color: var(--gold);
  font-family: 'Cinzel', serif;
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.75rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition);
  -webkit-appearance: none;
  appearance: none;
  color-scheme: dark;
}

.time-input:focus {
  outline: none;
  border-color: var(--gold-dim);
}

/* ── Countdown ──────────────────────────────────────────────────── */
.countdown-box {
  margin-top: 0.75rem;
  padding: 0.6rem 1rem;
  background: var(--dark2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.countdown-box.hidden { display: none; }

.countdown-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

.countdown-value {
  font-family: 'Cinzel', serif;
  font-size: 1.1rem;
  color: var(--gold);
  letter-spacing: 0.06em;
}

/* ── Sliders ────────────────────────────────────────────────────── */
.slider-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  justify-content: flex-end;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  background: var(--dark3);
  border-radius: 2px;
  width: 110px;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gold);
  cursor: pointer;
  box-shadow: 0 0 6px var(--gold-glow);
}

input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gold);
  cursor: pointer;
  border: none;
}

.slider-val {
  font-family: 'Cinzel', serif;
  font-size: 0.85rem;
  color: var(--gold);
  min-width: 36px;
  text-align: right;
}

/* ── Toggle ─────────────────────────────────────────────────────── */
.toggle { cursor: pointer; flex-shrink: 0; }
.toggle input { display: none; }

.toggle-track {
  display: flex;
  align-items: center;
  width: 44px;
  height: 24px;
  background: var(--dark3);
  border-radius: 12px;
  padding: 3px;
  transition: background var(--transition);
}

.toggle input:checked ~ .toggle-track { background: var(--gold-dim); }

.toggle-thumb {
  width: 18px;
  height: 18px;
  background: var(--text-dim);
  border-radius: 50%;
  transition: transform var(--transition), background var(--transition);
}

.toggle input:checked ~ .toggle-track .toggle-thumb {
  transform: translateX(20px);
  background: var(--gold);
}

/* ── Subida de audio ────────────────────────────────────────────── */
.upload-list { display: flex; flex-direction: column; gap: 0; }

.upload-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--dark2);
}

.upload-row:last-child { border-bottom: none; }

.upload-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.upload-phase {
  font-size: 0.85rem;
  color: var(--text);
  font-family: 'EB Garamond', serif;
}

.upload-name {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
  font-style: italic;
}

.upload-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dark3);
  flex-shrink: 0;
  transition: background var(--transition), box-shadow var(--transition);
}

.upload-dot.loaded {
  background: var(--gold);
  box-shadow: 0 0 6px var(--gold-glow);
}

.btn-upload {
  font-family: 'Cinzel', serif;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  border: 1px solid var(--gold-dim);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}

.btn-upload:hover { background: var(--gold-dim); color: var(--black); }
.audio-input { display: none; }

/* ── Botones principales ─────────────────────────────────────────── */
.actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.btn-primary, .btn-secondary {
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: var(--radius);
  border: none;
  font-family: 'Cinzel', serif;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity var(--transition), transform 0.1s;
}

.btn-primary {
  background: var(--gold);
  color: var(--black);
  font-weight: 600;
}

.btn-primary:hover { opacity: 0.88; }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold-dim);
}

.btn-secondary:hover { background: var(--dark2); }
.btn-secondary:active { transform: scale(0.98); }

/* ══════════════════════════════════════════════════════════════════
   PANTALLA DE PROTOCOLO
   ══════════════════════════════════════════════════════════════════ */
#protocol-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding-top: 1rem;
}

#protocol-panel.hidden { display: none; }

/* ── Anillo SVG ─────────────────────────────────────────────────── */
.ring-wrap {
  position: relative;
  width: clamp(220px, 60vw, 300px);
  height: clamp(220px, 60vw, 300px);
}

.ring-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: var(--dark2);
  stroke-width: 6;
}

.ring-fg {
  fill: none;
  stroke: var(--gold);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 603.19; /* 2π × 96 */
  stroke-dashoffset: 603.19;
  filter: drop-shadow(0 0 6px var(--gold-glow));
  transition: stroke-dashoffset 1s linear;
}

.ring-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  pointer-events: none;
}

.ring-phase {
  font-size: clamp(0.65rem, 2vw, 0.8rem);
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}

.ring-timer {
  font-size: clamp(2rem, 8vw, 3rem);
  color: var(--text);
  letter-spacing: 0.06em;
  line-height: 1.1;
}

.ring-prayer {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-style: italic;
  letter-spacing: 0.05em;
  text-align: center;
  max-width: 140px;
}

/* ── Info de fase ───────────────────────────────────────────────── */
.phase-info {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.phase-desc {
  font-size: 1rem;
  color: var(--text-dim);
  font-style: italic;
}

.phase-next {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ── Botón oscurecer ────────────────────────────────────────────── */
.btn-dim {
  background: transparent;
  border: 1px solid var(--dark3);
  color: var(--text-muted);
  font-family: 'EB Garamond', serif;
  font-size: 0.85rem;
  padding: 0.5rem 1.25rem;
  border-radius: 20px;
  cursor: pointer;
  letter-spacing: 0.06em;
  transition: color var(--transition), border-color var(--transition);
  margin-top: 0.5rem;
}

.btn-dim:hover { color: var(--text-dim); border-color: var(--text-muted); }

/* ── Botón de emergencia ────────────────────────────────────────── */
.btn-stop {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: #2A0A0A;
  border: 1px solid #6B1A1A;
  color: #E06060;
  font-family: 'Cinzel', serif;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  padding: 0.65rem 1.5rem;
  border-radius: 24px;
  cursor: pointer;
  z-index: 100;
  transition: background var(--transition);
  white-space: nowrap;
}

.btn-stop:hover { background: #3D0F0F; }
.btn-stop.hidden { display: none; }

/* ══════════════════════════════════════════════════════════════════
   UTILIDADES
   ══════════════════════════════════════════════════════════════════ */
.hidden { display: none !important; }

/* ══════════════════════════════════════════════════════════════════
   RESPONSIVE — Tableta (landscape)
   ══════════════════════════════════════════════════════════════════ */
@media (min-width: 600px) {
  #app { padding: 2rem 2rem 6rem; }
  .app-header { padding: 2.5rem 0 2rem; }
  .logo-title { font-size: 1.8rem; }
  .field-label { min-width: 150px; }
  input[type="range"] { width: 140px; }
}

@media (min-width: 900px) and (orientation: landscape) {
  #app { max-width: 760px; }

  #setup-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: start;
  }

  .card:first-child { grid-column: 1 / -1; }
  .actions { grid-column: 1 / -1; }

  #protocol-panel { flex-direction: row; align-items: center; justify-content: center; gap: 3rem; flex-wrap: wrap; }
  .ring-wrap { width: 280px; height: 280px; }
  .phase-info { text-align: left; }
}

/* ══════════════════════════════════════════════════════════════════
   ANIMACIONES
   ══════════════════════════════════════════════════════════════════ */
@keyframes pulse-gold {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.ring-fg.playing { animation: none; }
.btn-stop:not(.hidden) { animation: none; }