:root {
  --bg-top: #08121f;
  --bg-bottom: #03060b;
  --ink-main: rgba(207, 197, 182, 0.94);
  --ink-soft: rgba(207, 197, 182, 0.62);
  --accent: #d7b48a;
  --deck-blur: 18px;
  --deck-font: 'STKaiti', 'KaiTi', 'LXGW WenKai', serif;
  --ui-fade: 0.02;
  --ui-hover: 0.94;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 18%, rgba(120, 171, 255, 0.08), transparent 24%),
    radial-gradient(circle at 82% 12%, rgba(240, 188, 131, 0.08), transparent 20%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  color: var(--ink-main);
  font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: 0;
}

#rain-canvas,
#visual-canvas,
.scene-glow {
  position: fixed;
  inset: 0;
}

#rain-canvas,
#visual-canvas {
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}

.scene-glow {
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 72%, rgba(255, 218, 176, 0.06), transparent 26%),
    radial-gradient(circle at 16% 80%, rgba(124, 177, 255, 0.08), transparent 24%);
  mix-blend-mode: screen;
}

.mode-reveal-zone {
  position: fixed;
  inset: 0 0 auto 0;
  height: 50px;
  z-index: 20;
}

.mode-switcher {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  display: inline-flex;
  gap: 18px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(7, 12, 20, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(16px);
  opacity: 0;
  transition: opacity 220ms ease, transform 220ms ease;
}

.mode-reveal-zone:hover .mode-switcher,
.mode-switcher:hover {
  opacity: 0.96;
  transform: translateX(-50%) translateY(0);
}

.mode-button {
  padding: 0;
  background: transparent;
  color: rgba(207, 197, 182, 0.56);
  cursor: pointer;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.mode-button.is-active {
  color: var(--ink-main);
}

.experience-shell {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
}

.passive-fade,
.vibe-handle {
  opacity: var(--ui-fade);
  transition: opacity 240ms ease, transform 240ms ease, background 240ms ease, border-color 240ms ease;
}

.passive-fade:hover,
.vibe-handle:hover,
body.show-ui .passive-fade,
body.show-ui .vibe-handle {
  opacity: var(--ui-hover);
}

.vibe-handle {
  position: fixed;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 86px;
  padding: 16px 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  z-index: 15;
}

.vibe-handle span {
  width: 2px;
  height: 12px;
  border-radius: 999px;
  background: rgba(214, 200, 181, 0.72);
}

.vibe-mixer {
  position: fixed;
  top: 50%;
  left: 52px;
  transform: translate(-14px, -50%);
  width: min(320px, calc(100vw - 80px));
  padding: 20px 18px;
  border-radius: 28px;
  background: rgba(10, 16, 26, 0.36);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(26px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 16;
  transition:
    opacity 240ms ease,
    transform 240ms ease,
    visibility 0ms linear 240ms;
}

.vibe-mixer.is-open {
  opacity: var(--ui-hover);
  visibility: visible;
  transform: translate(0, -50%);
  pointer-events: auto;
  transition:
    opacity 240ms ease,
    transform 240ms ease,
    visibility 0ms linear 0ms;
}

.mixer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.mixer-eyebrow {
  margin: 0;
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
}

.mixer-close {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: rgba(207, 197, 182, 0.72);
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
}

.mixer-block {
  margin-bottom: 16px;
}

.mixer-block label,
.toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  color: rgba(207, 197, 182, 0.68);
  font-size: 14px;
}

.glass-field,
input[type="range"] {
  width: 100%;
}

.glass-field {
  padding: 10px 12px;
  border-radius: 14px;
  color: var(--ink-main);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  outline: none;
}

input[type="range"] {
  accent-color: var(--accent);
}

.inline-toggle-group {
  display: grid;
  gap: 6px;
}

.mixer-actions,
.timer-actions {
  display: flex;
  gap: 10px;
}

.action-button,
.tiny-button,
.timer-toggle {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--ink-main);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.action-button.is-primary {
  color: #11161d;
  background: linear-gradient(135deg, #efd4ad, #f5e6ce);
}

.zen-timer {
  position: fixed;
  top: 88px;
  right: 24px;
  z-index: 15;
  display: grid;
  justify-items: end;
  gap: 12px;
}

.timer-panel {
  width: 188px;
  padding: 14px;
  border-radius: 24px;
  background: rgba(10, 16, 26, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(22px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.timer-panel.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.timer-ring {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 12px;
}

.timer-svg {
  width: 120px;
  height: 120px;
  transform: rotate(-90deg);
}

.timer-track,
.timer-progress {
  fill: none;
  stroke-width: 4;
}

.timer-track {
  stroke: rgba(255, 255, 255, 0.08);
}

.timer-progress {
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-dasharray: 326.73;
  stroke-dashoffset: 326.73;
  transition: stroke-dashoffset 200ms linear;
}

.timer-readout {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 24px;
  letter-spacing: 0.08em;
}

.editor-wrap {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 72px max(36px, 8vw) 56px;
}

.editor-deck {
  width: min(980px, 100%);
  height: min(84vh, 980px);
  padding: clamp(24px, 4vw, 52px);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 24px 80px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(var(--deck-blur));
  display: flex;
  flex-direction: column;
}

.editor {
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--ink-main);
}

.editor {
  flex: 1;
  resize: none;
  font-family: var(--deck-font);
  font-size: clamp(18px, 1.7vw, 24px);
  line-height: 1.85;
  letter-spacing: 0.04em;
  text-shadow: 0 0 18px rgba(255, 243, 228, 0.05);
  caret-color: rgba(194, 181, 163, 0.28);
  caret-animation: auto;
}

.editor-single {
  padding-top: 4px;
}

.editor:focus {
  text-shadow: 0 0 14px rgba(255, 241, 223, 0.04);
  caret-color: rgba(194, 181, 163, 0.22);
}

.bottom-meta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  display: flex;
  gap: 10px;
  z-index: 15;
}

.meta-pill {
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(8, 12, 20, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  color: rgba(207, 197, 182, 0.7);
}

body.snow-mode {
  background:
    radial-gradient(circle at 50% 18%, rgba(217, 233, 255, 0.11), transparent 24%),
    radial-gradient(circle at 82% 12%, rgba(255, 240, 223, 0.1), transparent 20%),
    linear-gradient(180deg, #0c1728, #04070d);
}

@media (max-width: 900px) {
  .editor-wrap {
    padding: 82px 18px 42px;
  }

  .editor-deck {
    height: min(82vh, 980px);
    border-radius: 26px;
  }

  .vibe-mixer {
    left: 18px;
    width: min(320px, calc(100vw - 36px));
  }

  .vibe-handle {
    left: 12px;
  }

  .zen-timer {
    right: 16px;
  }

  .bottom-meta {
    right: 16px;
    bottom: 16px;
  }
}