/**
 * nixus-reader.css - Premium Article Audio Player
 * Nixus.pro dark theme, gold accents, glass blur
 */

/* ---- Custom Properties ---- */
:root {
  --nxr-bg: #0a0a12;
  --nxr-bg2: #0f0f1a;
  --nxr-border: rgba(201, 162, 39, 0.18);
  --nxr-gold: #c9a227;
  --nxr-gold-dim: rgba(201, 162, 39, 0.6);
  --nxr-text: #e8e8f0;
  --nxr-text-dim: rgba(232, 232, 240, 0.55);
  --nxr-track-bg: rgba(255, 255, 255, 0.09);
  --nxr-radius: 14px;
  --nxr-shadow: 0 -4px 40px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(201, 162, 39, 0.12);
  --nxr-transition: cubic-bezier(0.22, 1, 0.36, 1);
  --nxr-z: 9999;
}

/* ---- Floating Bubble ---- */
#nxr-bubble {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: var(--nxr-z);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px 11px 14px;
  background: var(--nxr-bg);
  border: 1px solid var(--nxr-border);
  border-radius: 50px;
  cursor: pointer;
  color: var(--nxr-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(201, 162, 39, 0.1);
  transition: transform 0.2s var(--nxr-transition),
              box-shadow 0.2s ease,
              opacity 0.3s ease;
  user-select: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

#nxr-bubble:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 6px 32px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(201, 162, 39, 0.25),
              0 0 20px rgba(201, 162, 39, 0.08);
}

#nxr-bubble:active {
  transform: translateY(0) scale(0.98);
}

#nxr-bubble.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px) scale(0.95);
}

.nxr-bubble-icon {
  font-size: 17px;
  line-height: 1;
}

.nxr-bubble-text {
  color: var(--nxr-gold);
}

/* ---- Player Bar ---- */
#nxr-player {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--nxr-z);
  background: var(--nxr-bg);
  border-top: 1px solid var(--nxr-border);
  box-shadow: var(--nxr-shadow);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--nxr-text);
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.4s var(--nxr-transition),
              opacity 0.3s ease;
  will-change: transform;
}

#nxr-player.visible {
  transform: translateY(0);
  opacity: 1;
}

.nxr-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 20px 14px;
}

/* ---- Top bar: meta + section nav + close ---- */
.nxr-top-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.nxr-meta {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nxr-reporter-label {
  font-size: 11px;
  color: var(--nxr-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nxr-reporter-label strong {
  color: var(--nxr-gold);
  font-weight: 600;
}

.nxr-section-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--nxr-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 480px;
}

.nxr-section-nav {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

/* ---- Controls row ---- */
.nxr-controls-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  margin-top: 6px;
}

.nxr-controls-left {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.nxr-controls-center {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nxr-controls-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

/* ---- Buttons ---- */
.nxr-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--nxr-text);
  padding: 6px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease, background 0.15s ease, transform 0.1s ease;
  outline: none;
  flex-shrink: 0;
}

.nxr-btn:hover {
  color: var(--nxr-gold);
  background: rgba(201, 162, 39, 0.08);
}

.nxr-btn:active {
  transform: scale(0.92);
}

.nxr-btn:focus-visible {
  outline: 2px solid var(--nxr-gold);
  outline-offset: 2px;
}

.nxr-btn-ghost {
  color: var(--nxr-text-dim);
  padding: 5px;
}

.nxr-btn-close {
  color: var(--nxr-text-dim);
  padding: 5px;
  margin-left: 4px;
  flex-shrink: 0;
}

.nxr-btn-close:hover {
  color: #ff6b6b;
  background: rgba(255, 107, 107, 0.1);
}

/* Play button - gold, larger */
.nxr-btn-play {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--nxr-gold);
  color: #0a0a12;
  box-shadow: 0 2px 12px rgba(201, 162, 39, 0.35);
  transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
  padding: 0;
}

.nxr-btn-play:hover {
  background: #e0b52e;
  color: #0a0a12;
  box-shadow: 0 4px 20px rgba(201, 162, 39, 0.5);
  transform: scale(1.06);
}

.nxr-btn-play:active {
  transform: scale(0.96);
}

.nxr-btn-icon {
  color: var(--nxr-text-dim);
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

/* ---- Progress bar ---- */
.nxr-progress-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nxr-time {
  font-size: 11px;
  color: var(--nxr-text-dim);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  min-width: 32px;
}

#nxr-current-time {
  text-align: right;
}

#nxr-total-time {
  text-align: left;
}

.nxr-progress-track {
  flex: 1;
  height: 4px;
  background: var(--nxr-track-bg);
  border-radius: 4px;
  position: relative;
  cursor: pointer;
  transition: height 0.15s ease;
}

.nxr-progress-track:hover {
  height: 6px;
}

.nxr-progress-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--nxr-gold) 0%, #e0b52e 100%);
  border-radius: 4px;
  width: 0%;
  pointer-events: none;
  transition: width 0.1s linear;
}

.nxr-progress-thumb {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--nxr-gold);
  box-shadow: 0 0 6px rgba(201, 162, 39, 0.6);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease, transform 0.1s ease;
}

.nxr-progress-track:hover .nxr-progress-thumb {
  opacity: 1;
}

/* ---- Volume ---- */
.nxr-volume-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nxr-vol-icon {
  color: var(--nxr-text-dim);
  flex-shrink: 0;
}

.nxr-volume {
  -webkit-appearance: none;
  appearance: none;
  width: 72px;
  height: 3px;
  border-radius: 3px;
  background: var(--nxr-track-bg);
  cursor: pointer;
  outline: none;
  transition: height 0.15s ease;
}

.nxr-volume::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--nxr-gold);
  cursor: pointer;
  box-shadow: 0 0 4px rgba(201, 162, 39, 0.5);
  transition: transform 0.1s ease;
}

.nxr-volume::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--nxr-gold);
  cursor: pointer;
  border: none;
  box-shadow: 0 0 4px rgba(201, 162, 39, 0.5);
}

.nxr-volume:hover::-webkit-slider-thumb {
  transform: scale(1.2);
}

/* ---- Speed control ---- */
.nxr-speed-wrap {
  position: relative;
}

.nxr-speed-btn {
  background: var(--nxr-track-bg);
  border: 1px solid var(--nxr-border);
  border-radius: 8px;
  color: var(--nxr-text-dim);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
  font-family: inherit;
  letter-spacing: 0.02em;
}

.nxr-speed-btn:hover {
  color: var(--nxr-gold);
  border-color: var(--nxr-gold-dim);
}

.nxr-speed-menu {
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  background: var(--nxr-bg2);
  border: 1px solid var(--nxr-border);
  border-radius: var(--nxr-radius);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transform: translateY(6px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s var(--nxr-transition);
  min-width: 80px;
  z-index: 1;
}

.nxr-speed-menu.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

.nxr-speed-menu button {
  display: block;
  width: 100%;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--nxr-text-dim);
  font-size: 13px;
  font-weight: 500;
  padding: 10px 16px;
  cursor: pointer;
  text-align: center;
  transition: background 0.12s, color 0.12s;
  font-family: inherit;
}

.nxr-speed-menu button:last-child {
  border-bottom: none;
}

.nxr-speed-menu button:hover {
  background: rgba(201, 162, 39, 0.08);
  color: var(--nxr-gold);
}

.nxr-speed-menu button.active {
  color: var(--nxr-gold);
  font-weight: 700;
}

/* ---- Mobile Responsive ---- */
@media (max-width: 640px) {
  #nxr-bubble {
    bottom: 16px;
    right: 16px;
    padding: 10px 14px 10px 12px;
    font-size: 13px;
  }

  .nxr-inner {
    padding: 8px 14px 12px;
  }

  .nxr-section-title {
    max-width: 200px;
    font-size: 12px;
  }

  .nxr-controls-row {
    grid-template-columns: auto 1fr auto;
    gap: 8px;
  }

  .nxr-volume {
    width: 52px;
  }

  .nxr-btn-play {
    width: 40px;
    height: 40px;
  }

  .nxr-btn-play svg {
    width: 22px;
    height: 22px;
  }

  .nxr-controls-center {
    gap: 4px;
  }
}

@media (max-width: 420px) {
  .nxr-top-bar {
    flex-wrap: wrap;
    gap: 6px;
  }

  .nxr-meta {
    flex: 1 1 100%;
  }

  .nxr-section-nav {
    order: 3;
  }

  .nxr-btn-close {
    order: 4;
  }

  .nxr-controls-row {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
  }

  .nxr-controls-left,
  .nxr-controls-right {
    justify-content: center;
  }

  .nxr-controls-center {
    order: -1;
    justify-content: center;
  }
}

/* ---- Accessibility ---- */
@media (prefers-reduced-motion: reduce) {
  #nxr-bubble,
  #nxr-player,
  .nxr-btn,
  .nxr-progress-fill,
  .nxr-speed-menu {
    transition: none;
  }
}