:root {
  --wall: #c9a84c;
  --wall-deep: #a88832;
  --wall-shadow: #7a6428;
  --carpet: #6e5a42;
  --carpet-deep: #4a3c2c;
  --fixture: #efe6c4;
  --fixture-glow: rgba(255, 244, 200, 0.55);
  --ink: #2a2418;
  --ink-soft: rgba(42, 36, 24, 0.72);
  --paper: rgba(255, 248, 220, 0.2);
  --warmth: 0.72;
  --font-display: "Instrument Serif", "Times New Roman", serif;
  --font-ui: "Sora", ui-sans-serif, sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--wall-deep);
  color: var(--ink);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  overscroll-behavior: none;
}

#app {
  position: relative;
  height: 100dvh;
  overflow: hidden;
  filter: saturate(calc(0.82 + var(--warmth) * 0.35)) brightness(calc(0.9 + var(--warmth) * 0.16));
  transition: filter 0.55s ease, background 0.55s ease;
}

/* ——— Mood tints only (same room + same UI) ——— */

#app[data-mood="dusk"] {
  --wall: #d8b060;
  --wall-deep: #b88838;
  --wall-shadow: #8a6028;
  --carpet: #755a3e;
  --carpet-deep: #4a3828;
  --fixture: #ffe6b8;
  --fixture-glow: rgba(255, 200, 120, 0.3);
}

#app[data-mood="tape"] {
  --wall: #c9a84c;
  --wall-deep: #a88832;
  --wall-shadow: #6e5820;
  --carpet: #6e5a42;
  --carpet-deep: #4a3c2c;
  --fixture: #f5eed4;
  --fixture-glow: rgba(255, 248, 210, 0.7);
}

#app[data-mood="rain"] {
  --wall: #c6ac56;
  --wall-deep: #a08838;
  --wall-shadow: #6e5c28;
  --carpet: #655644;
  --carpet-deep: #433a30;
  --fixture: #efece0;
  --fixture-glow: rgba(220, 225, 220, 0.45);
}

#app[data-mood="cicada"] {
  --wall: #cbb24a;
  --wall-deep: #a89030;
  --wall-shadow: #7a6820;
  --carpet: #6e5c38;
  --carpet-deep: #4a3e28;
  --fixture: #fff0c0;
  --fixture-glow: rgba(255, 220, 120, 0.35);
}

/* ——— One room ——— */

.room {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: var(--wall);
}

.ceil {
  position: absolute;
  left: -8%;
  right: -8%;
  top: 0;
  height: 20%;
  background: linear-gradient(180deg, #8f7c48 0%, var(--wall-deep) 70%, var(--wall) 100%);
  clip-path: polygon(10% 100%, 90% 100%, 100% 0, 0 0);
}

.wall-back {
  position: absolute;
  left: 16%;
  right: 16%;
  top: 16%;
  bottom: 30%;
  background: linear-gradient(180deg, var(--wall) 0%, var(--wall-deep) 100%);
  overflow: hidden;
}

.wall-l,
.wall-r {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 30%;
}

.wall-l {
  left: 0;
  clip-path: polygon(0 0, 100% 16%, 100% 70%, 0 100%);
  background: linear-gradient(105deg, var(--wall-shadow) 0%, var(--wall-deep) 45%, var(--wall) 100%);
}

.wall-r {
  right: 0;
  clip-path: polygon(0 16%, 100% 0, 100% 100%, 0 70%);
  background: linear-gradient(255deg, var(--wall-shadow) 0%, var(--wall-deep) 45%, var(--wall) 100%);
}

.floor {
  position: absolute;
  left: -8%;
  right: -8%;
  bottom: 0;
  height: 36%;
  background: linear-gradient(180deg, var(--carpet) 0%, var(--carpet-deep) 100%);
  clip-path: polygon(16% 0, 84% 0, 100% 100%, 0 100%);
}

/* Same small back-wall window for dusk + rain */
.window {
  display: none;
  position: absolute;
  right: 10%;
  top: 14%;
  width: 28%;
  height: 46%;
  overflow: hidden;
  border: 3px solid rgba(90, 70, 40, 0.28);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 240, 0.12),
    0 8px 22px rgba(40, 30, 10, 0.12);
}

.window-fill,
.window-rain,
.window-shine,
.window-trees {
  position: absolute;
  inset: 0;
}

.window-rain {
  display: none;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.window-shine {
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(
    125deg,
    rgba(255, 255, 255, 0.12) 0%,
    transparent 28%,
    transparent 72%,
    rgba(255, 255, 255, 0.04) 100%
  );
}

#app[data-mood="dusk"] .window,
#app[data-mood="rain"] .window,
#app[data-mood="cicada"] .window {
  display: block;
}

#app[data-mood="dusk"] .window-fill {
  background: linear-gradient(165deg, #ffe8b8 0%, #ffb86a 45%, #e89040 100%);
}

#app[data-mood="dusk"] .window {
  box-shadow:
    inset 0 0 0 2px rgba(255, 230, 180, 0.2),
    0 0 28px rgba(255, 180, 90, 0.22);
}

/* Rain: same window, just cooler glass — no special framing */
#app[data-mood="rain"] .window-fill {
  background: linear-gradient(180deg, #8a96a0 0%, #6a7680 55%, #556068 100%);
}

#app[data-mood="rain"] .window-rain {
  display: block;
}

/* Cicada: stylized trees — same flat language as the room, not a photo */
#app[data-mood="cicada"] .window-fill {
  background: linear-gradient(
    180deg,
    #d4c078 0%,
    #c4b068 40%,
    #9aa858 100%
  );
}

#app[data-mood="cicada"] .window {
  box-shadow:
    inset 0 0 0 2px rgba(90, 70, 40, 0.2),
    0 8px 22px rgba(40, 30, 10, 0.1);
}

#app[data-mood="cicada"] .window-rain {
  display: none;
}

#app[data-mood="cicada"] .window-trees {
  display: block;
  overflow: hidden;
  z-index: 1;
}

.window-trees {
  display: none;
  pointer-events: none;
}

.tree-sky {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #d8c888 0%, #c8b870 45%, #a8a860 100%);
}

.tree-far,
.tree-mid,
.tree-near {
  position: absolute;
  border-radius: 50% 50% 40% 40%;
  filter: none;
  transform-origin: 50% 100%;
}

#app[data-mood="cicada"] .tree-far {
  animation: tree-sway 11s ease-in-out infinite;
}

#app[data-mood="cicada"] .tree-mid {
  animation: tree-sway 8.5s ease-in-out infinite reverse;
}

#app[data-mood="cicada"] .tree-near {
  animation: tree-sway 7s ease-in-out infinite;
  animation-delay: -2s;
}

@keyframes tree-sway {
  0%, 100% { transform: translateX(0) scale(1); }
  50% { transform: translateX(1.6%) scale(1.015); }
}

.tree-far {
  left: -35%;
  bottom: 12%;
  width: 90%;
  height: 55%;
  background: #8a9048;
  opacity: 0.55;
}

.tree-mid {
  right: -30%;
  bottom: 6%;
  width: 85%;
  height: 62%;
  background: linear-gradient(180deg, #7e8840 0%, #5e6834 100%);
  opacity: 0.75;
}

.tree-near {
  left: 5%;
  bottom: -8%;
  width: 70%;
  height: 48%;
  background: linear-gradient(165deg, #6e7840 0%, #4a5230 100%);
  opacity: 0.88;
}

.tree-trunk {
  position: absolute;
  bottom: 0;
  width: 4.5%;
  background: #5a4a30;
  opacity: 0.35;
  border-radius: 1px 1px 0 0;
}

.tree-trunk.a {
  left: 32%;
  height: 28%;
}

.tree-trunk.b {
  left: 68%;
  height: 34%;
  width: 5%;
  opacity: 0.28;
}

#app[data-mood="tape"] .window {
  display: none;
}

.fixture {
  position: absolute;
  left: 50%;
  top: 10.5%;
  width: min(46vw, 300px);
  height: 5px;
  transform: translateX(-50%);
  border-radius: 1px;
  background: var(--fixture);
  box-shadow:
    0 0 12px var(--fixture-glow),
    0 0 28px rgba(255, 236, 180, 0.3);
  animation: flicker 9s ease-in-out infinite;
}

.glow {
  position: absolute;
  left: 22%;
  right: 22%;
  top: 10%;
  height: 42%;
  background: linear-gradient(
    180deg,
    var(--fixture-glow) 0%,
    rgba(255, 236, 180, 0.08) 28%,
    transparent 75%
  );
  pointer-events: none;
  animation: flicker 9s ease-in-out infinite;
  mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
}

.sunbeam {
  display: none;
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    118deg,
    transparent 40%,
    rgba(255, 200, 110, 0.1) 48%,
    rgba(255, 180, 80, 0.22) 52%,
    rgba(255, 210, 130, 0.08) 58%,
    transparent 66%
  );
  mix-blend-mode: soft-light;
  animation: sun-drift 14s ease-in-out infinite;
}

#app[data-mood="dusk"] .sunbeam {
  display: block;
}

#app[data-mood="dusk"] .fixture {
  opacity: 0.22;
  animation: none;
}

#app[data-mood="dusk"] .glow {
  opacity: 0.3;
  animation: none;
}

#app[data-mood="dusk"] .floor {
  background:
    linear-gradient(115deg, transparent 38%, rgba(255, 190, 100, 0.22) 52%, transparent 64%),
    linear-gradient(180deg, var(--carpet) 0%, var(--carpet-deep) 100%);
}

#app[data-mood="cicada"] .sunbeam {
  display: block;
  background: linear-gradient(
    118deg,
    transparent 42%,
    rgba(180, 210, 120, 0.06) 48%,
    rgba(200, 220, 140, 0.12) 52%,
    rgba(160, 190, 100, 0.05) 58%,
    transparent 66%
  );
}

#app[data-mood="cicada"] .fixture {
  opacity: 0.28;
}

#app[data-mood="cicada"] .glow {
  opacity: 0.35;
}

#app[data-mood="cicada"] .floor {
  background:
    linear-gradient(115deg, transparent 40%, rgba(140, 170, 80, 0.1) 52%, transparent 64%),
    linear-gradient(180deg, var(--carpet) 0%, var(--carpet-deep) 100%);
}

#app[data-mood="tape"] .fixture {
  width: min(52vw, 340px);
  height: 7px;
  box-shadow:
    0 0 18px rgba(255, 248, 220, 0.8),
    0 0 48px rgba(255, 244, 200, 0.4),
    0 14px 50px rgba(255, 240, 180, 0.22);
}

#app[data-mood="rain"] .fixture {
  opacity: 0.55;
}

#app[data-mood="rain"] .dust {
  opacity: 0.06;
}

.dust {
  position: absolute;
  inset: 0;
  opacity: 0.16;
  background-image: radial-gradient(circle, rgba(255, 255, 240, 0.5) 0 1px, transparent 2px);
  background-size: 140px 180px;
  animation: drift 28s linear infinite;
  mix-blend-mode: soft-light;
  pointer-events: none;
}

@keyframes flicker {
  0%, 100% { opacity: 1; }
  48% { opacity: 0.92; }
  52% { opacity: 1; }
  74% { opacity: 0.96; }
}

@keyframes drift {
  from { transform: translateY(0); }
  to { transform: translateY(-40px); }
}

@keyframes sun-drift {
  0%, 100% { opacity: 0.85; transform: translateX(0); }
  50% { opacity: 1; transform: translateX(1.2%); }
}

/* ——— Shared UI (never changes per mood) ——— */

.ui {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px 16px max(24px, env(safe-area-inset-bottom));
  background: linear-gradient(
    180deg,
    rgba(42, 36, 24, 0.05) 0%,
    transparent 28%,
    transparent 62%,
    rgba(42, 36, 24, 0.2) 100%
  );
}

.brand {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 10vw, 4.4rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.02em;
  text-shadow: 0 1px 0 rgba(255, 248, 220, 0.25);
}

.line {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3.2vw, 1.55rem);
  font-weight: 400;
  font-style: italic;
}

.sub {
  margin: 0 auto 26px;
  max-width: 34ch;
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-soft);
  min-height: 2.9em;
}

.moods {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
}

.mood {
  appearance: none;
  border: 1px solid rgba(42, 36, 24, 0.16);
  background: var(--paper);
  color: var(--ink-soft);
  font: 500 0.75rem/1 var(--font-ui);
  letter-spacing: 0.05em;
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background 0.2s ease, color 0.2s ease;
}

.mood:hover { color: var(--ink); }
.mood.is-active {
  color: #fff8e8;
  background: rgba(42, 36, 24, 0.8);
  border-color: transparent;
}

.cta {
  appearance: none;
  border: 0;
  background: rgba(42, 36, 24, 0.88);
  color: #fff6e8;
  font: 600 0.88rem/1 var(--font-ui);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(60, 40, 20, 0.2);
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.cta:hover { transform: translateY(-1px); }
.cta.is-on {
  background: rgba(255, 248, 220, 0.35);
  color: var(--ink);
  border: 1px solid rgba(42, 36, 24, 0.16);
  box-shadow: none;
}

.dials {
  width: min(300px, 86vw);
  margin-top: 22px;
  display: grid;
  gap: 16px;
}

.dials[hidden] {
  display: none !important;
}

.feedback-entry {
  position: fixed;
  left: 0;
  right: 0;
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 5;
  margin: 0;
  text-align: center;
  pointer-events: none;
}

.feedback-entry a {
  pointer-events: auto;
  display: inline-block;
  padding: 8px 12px;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  background: rgba(255, 248, 220, 0.55);
  border: 1px solid rgba(42, 36, 24, 0.18);
  border-radius: 999px;
}

.feedback-entry a:hover {
  background: rgba(255, 248, 220, 0.85);
  border-color: rgba(42, 36, 24, 0.35);
}

.dial {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 10px;
  align-items: center;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.slider {
  position: relative;
  display: block;
  height: 20px;
}

.slider input[type="range"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0.001;
  cursor: pointer;
  z-index: 2;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
}

.slider input[type="range"]::-webkit-slider-runnable-track {
  height: 20px;
  background: transparent;
  border: none;
}

.slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
  box-shadow: none;
}

.slider input[type="range"]::-moz-range-track {
  height: 20px;
  background: transparent;
  border: none;
}

.slider input[type="range"]::-moz-range-progress {
  background: transparent;
  border: none;
}

.slider input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
  box-shadow: none;
}

.slider-track {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 3px;
  transform: translateY(-50%);
  border-radius: 999px;
  background: rgba(42, 36, 24, 0.2);
  pointer-events: none;
  overflow: hidden;
}

.slider-fill {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: rgba(42, 36, 24, 0.45);
}

.slider-knob {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 14px;
  height: 14px;
  margin-left: -7px;
  transform: translateY(-50%);
  border-radius: 50%;
  background: #2a2418;
  box-shadow: 0 0 0 2px #fff6e0;
  pointer-events: none;
  z-index: 1;
}

@media (max-width: 640px) {
  .ui {
    padding:
      max(14px, env(safe-area-inset-top))
      14px
      max(20px, env(safe-area-inset-bottom));
  }

  .brand {
    font-size: clamp(2.2rem, 11vw, 3rem);
    margin-bottom: 6px;
  }

  .line {
    font-size: clamp(1rem, 4vw, 1.2rem);
  }

  .sub {
    font-size: 0.84rem;
    margin-bottom: 16px;
    max-width: 28ch;
  }

  .moods {
    gap: 6px;
    margin-bottom: 14px;
    max-width: 96vw;
    flex-wrap: wrap;
    justify-content: center;
  }

  .mood {
    padding: 9px 10px;
    font-size: 0.64rem;
  }

  .cta {
    padding: 13px 24px;
    font-size: 0.82rem;
    min-height: 44px;
  }

  .dials {
    width: min(280px, 88vw);
    margin-top: 16px;
  }

  .window {
    right: 8%;
    top: 12%;
    width: 34%;
    height: 40%;
  }

  .fixture {
    width: min(58vw, 240px);
  }
}

/* Short phones: keep brand + moods + Stay in one screen */
@media (max-width: 640px) and (max-height: 720px) {
  .brand { font-size: 2rem; }
  .line { font-size: 1rem; }
  .sub { margin-bottom: 12px; font-size: 0.78rem; }
  .moods { margin-bottom: 10px; }
  .mood { padding: 8px 10px; font-size: 0.64rem; }
  .window { height: 34%; top: 10%; }
}

@media (max-height: 700px) and (orientation: landscape) {
  .brand { font-size: 1.8rem; margin-bottom: 4px; }
  .line { font-size: 1rem; margin-bottom: 4px; }
  .sub { margin-bottom: 12px; min-height: 0; font-size: 0.8rem; }
  .moods { margin-bottom: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .fixture, .glow, .dust, .sunbeam, .tree-far, .tree-mid, .tree-near { animation: none !important; }
}