:root {
  color-scheme: dark;
  --bg: #0c090d;
  --surface: rgba(255, 255, 255, 0.1);
  --surface-strong: rgba(255, 255, 255, 0.16);
  --text: #fff8ef;
  --muted: rgba(255, 248, 239, 0.72);
  --line: rgba(255, 255, 255, 0.18);
  --accent: #ffb86c;
  --accent-2: #f36f76;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --quote-font: 'Playfair Display', serif;
  --mode-filter: saturate(1.05) contrast(1.02);
  --slide-duration: 7s;
}

body.light {
  color-scheme: light;
  --bg: #fff7f0;
  --surface: rgba(255, 255, 255, 0.58);
  --surface-strong: rgba(255, 255, 255, 0.78);
  --text: #261b1a;
  --muted: rgba(38, 27, 26, 0.68);
  --line: rgba(90, 54, 45, 0.16);
  --shadow: 0 24px 70px rgba(155, 94, 78, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 10%, rgba(243, 111, 118, 0.26), transparent 32rem),
    radial-gradient(circle at 82% 22%, rgba(255, 184, 108, 0.2), transparent 30rem),
    linear-gradient(140deg, var(--bg), #171016 60%, #09080b);
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
  overflow-x: hidden;
}

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

button {
  cursor: pointer;
}

#particleCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3.5rem);
  backdrop-filter: blur(24px);
  background: rgba(12, 9, 13, 0.62);
  border-bottom: 1px solid var(--line);
}

body.light .topbar {
  background: rgba(255, 247, 240, 0.72);
}

.brand,
.top-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  border-radius: 50%;
  color: #241111;
  background: linear-gradient(135deg, var(--accent), #ffd9a8 45%, var(--accent-2));
  font-family: 'Playfair Display', serif;
}

.hero {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 26rem);
  gap: clamp(1rem, 2.8vw, 2rem);
  min-height: calc(100vh - 4.8rem);
  padding: clamp(1rem, 3vw, 3rem);
  align-items: stretch;
}

.hero-media {
  position: relative;
  min-height: 36rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #151015;
  isolation: isolate;
}

.slide-stack,
.memory-slide {
  position: absolute;
  inset: 0;
}

.memory-slide {
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 1.6s ease, transform var(--slide-duration) ease;
}

.memory-slide.active {
  opacity: 1;
  transform: scale(1.12);
}

.memory-slide img,
.sample-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--image-x, 50%) var(--image-y, 50%);
  filter: var(--mode-filter);
}

.sample-photo {
  background-size: cover;
  background-position: center;
}

.sample-one {
  background-image:
    linear-gradient(rgba(22, 10, 18, 0.1), rgba(22, 10, 18, 0.42)),
    radial-gradient(circle at 44% 28%, #ffe4ce 0 5rem, transparent 5.2rem),
    linear-gradient(135deg, #9e4956, #f6b26b 45%, #2b1624);
}

.sample-two {
  background-image:
    linear-gradient(rgba(10, 10, 12, 0.1), rgba(10, 10, 12, 0.46)),
    radial-gradient(circle at 58% 35%, #fff3db 0 4.6rem, transparent 4.8rem),
    linear-gradient(135deg, #303144, #bc7860 52%, #111018);
}

.sample-three {
  background-image:
    linear-gradient(rgba(20, 8, 12, 0.08), rgba(20, 8, 12, 0.5)),
    radial-gradient(circle at 50% 32%, #ffe9e4 0 4.8rem, transparent 5rem),
    linear-gradient(135deg, #5c283f, #e09a79 45%, #15161f);
}

.stage-glow,
.film-grain,
.light-leak,
.cinema-bars {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.stage-glow {
  z-index: 2;
  background: radial-gradient(circle at 55% 38%, transparent 0 21rem, rgba(0, 0, 0, 0.56) 100%);
}

.film-grain {
  z-index: 4;
  opacity: 0.16;
  background-image: repeating-radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.45) 0 1px, transparent 1px 3px);
  mix-blend-mode: overlay;
}

.light-leak {
  z-index: 3;
  opacity: 0.7;
  background: linear-gradient(110deg, rgba(255, 126, 95, 0.48), transparent 32%, transparent 78%, rgba(255, 204, 128, 0.36));
  animation: leak 8s ease-in-out infinite alternate;
}

.cinema-bars {
  z-index: 6;
  background: linear-gradient(#060507 0 10%, transparent 10% 90%, #060507 90% 100%);
}

.quote-overlay {
  position: absolute;
  left: clamp(1.2rem, 5vw, 5rem);
  right: clamp(1.2rem, 5vw, 5rem);
  bottom: clamp(4rem, 10vw, 7rem);
  z-index: 8;
  max-width: 48rem;
  user-select: none;
  touch-action: none;
}

.caption-label,
.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.74rem;
  font-weight: 800;
}

.quote-overlay h1 {
  margin: 0.35rem 0 0.8rem;
  color: var(--quote-color, #fff6ea);
  font-family: var(--quote-font);
  font-size: clamp(2.4rem, 7vw, 6.8rem);
  line-height: 0.96;
  text-wrap: balance;
  text-shadow: 0 0.35rem 2rem rgba(0, 0, 0, 0.42);
}

.quote-overlay p:last-child {
  max-width: 37rem;
  margin: 0;
  color: rgba(255, 248, 239, 0.82);
  font-size: clamp(1rem, 1.8vw, 1.22rem);
  line-height: 1.7;
}

.creator-panel,
.tool-panel {
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(26px);
}

.creator-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
  align-self: start;
}

.panel-section,
.tool-panel {
  display: grid;
  gap: 0.85rem;
}

.panel-section {
  padding: 0.85rem;
}

h2 {
  margin: 0;
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.45rem, 2.4vw, 2.2rem);
}

label {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

select,
textarea,
input[type="color"],
input[type="range"] {
  width: 100%;
}

select,
textarea {
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  padding: 0.78rem 0.85rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.1);
  outline: none;
}

body.light select,
body.light textarea {
  background: rgba(255, 255, 255, 0.72);
}

.upload-drop {
  display: grid;
  min-height: 8rem;
  place-items: center;
  gap: 0.5rem;
  padding: 1.2rem;
  border: 1px dashed rgba(255, 255, 255, 0.34);
  border-radius: 0.5rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  text-align: center;
}

.upload-drop input {
  display: none;
}

.upload-icon {
  display: grid;
  width: 2.8rem;
  height: 2.8rem;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  font-size: 1.8rem;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.thumb-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.thumb-row img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
}

.icon-button,
.text-button,
.primary-button,
.segment,
.quote-grid button,
.time-node {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.1);
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.icon-button:hover,
.text-button:hover,
.primary-button:hover,
.segment:hover,
.quote-grid button:hover,
.time-node:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.18);
}

.icon-button {
  width: 2.55rem;
  height: 2.55rem;
  border-radius: 50%;
}

.text-button,
.primary-button {
  min-height: 2.55rem;
  border-radius: 999px;
  padding: 0 1rem;
  font-weight: 800;
}

.primary-button {
  color: #26130f;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), #ffe0aa 48%, var(--accent-2));
}

.wide {
  width: 100%;
}

.mode-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.mode-meta span {
  padding: 0.55rem;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.76rem;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
}

.segment {
  min-height: 2.35rem;
  border-radius: 0.42rem;
  font-weight: 800;
}

.segment.active {
  border-color: rgba(255, 184, 108, 0.75);
  background: rgba(255, 184, 108, 0.18);
}

.workspace,
.timeline-section {
  position: relative;
  z-index: 1;
  padding: 0 clamp(1rem, 3vw, 3rem) clamp(1rem, 3vw, 3rem);
}

.editor {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.8fr;
  gap: 1rem;
}

.tool-panel {
  padding: 1rem;
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.quote-grid button {
  min-height: 4rem;
  border-radius: 0.45rem;
  padding: 0.75rem;
  text-align: left;
  line-height: 1.35;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.control-grid label {
  display: grid;
  gap: 0.45rem;
}

.ai-card {
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  padding: 0.9rem;
  background: rgba(255, 255, 255, 0.08);
}

.ai-card span {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.ai-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.export-actions {
  display: grid;
  gap: 0.7rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin: 2rem 0 1rem;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.time-node {
  display: grid;
  gap: 0.25rem;
  min-height: 7rem;
  padding: 1rem;
  border-radius: 0.5rem;
  text-align: left;
}

.time-node.active {
  border-color: rgba(255, 184, 108, 0.7);
  background: rgba(255, 184, 108, 0.16);
}

.time-node span {
  color: var(--accent);
  font-weight: 900;
}

.time-node small {
  color: var(--muted);
}

body.mode-vintage {
  --accent: #d5a45b;
  --accent-2: #8c5a43;
  --mode-filter: sepia(0.48) saturate(0.82) contrast(1.12);
  --slide-duration: 8.5s;
}

body.mode-golden {
  --accent: #ffc66d;
  --accent-2: #ff7f59;
  --mode-filter: saturate(1.28) contrast(1.05) brightness(1.08);
  --slide-duration: 7.5s;
}

body.mode-dreamy {
  --accent: #f9a8d4;
  --accent-2: #a7f3d0;
  --mode-filter: saturate(0.9) brightness(1.15) blur(0.2px);
  --slide-duration: 9s;
}

body.mode-classic {
  --accent: #e8e8e8;
  --accent-2: #9ca3af;
  --mode-filter: grayscale(1) contrast(1.2);
  --slide-duration: 7s;
}

body.mode-warm {
  --accent: #f7a35c;
  --accent-2: #f9d28c;
  --mode-filter: sepia(0.2) saturate(1.18) brightness(1.03);
  --slide-duration: 7.8s;
}

body.mode-scrapbook {
  --accent: #7dd3fc;
  --accent-2: #fb7185;
  --mode-filter: saturate(1.15) contrast(0.98);
  --slide-duration: 6.8s;
}

body.mode-trailer {
  --accent: #f43f5e;
  --accent-2: #facc15;
  --mode-filter: contrast(1.16) saturate(1.18);
  --slide-duration: 6s;
}

body.template-album .quote-overlay {
  text-align: center;
  margin-inline: auto;
}

body.template-premiere .caption-label::before {
  content: "Now Playing: ";
}

body.template-scrapbook .memory-slide.active {
  transform: scale(1.04) rotate(-1deg);
}

.quote-overlay.typing h1::after {
  content: "";
  display: inline-block;
  width: 0.08em;
  height: 0.82em;
  margin-left: 0.08em;
  background: currentColor;
  animation: blink 0.8s steps(2, start) infinite;
}

.quote-overlay.glow h1 {
  animation: glow 2.8s ease-in-out infinite alternate;
}

@keyframes leak {
  from {
    transform: translateX(-8%) skewX(-5deg);
  }
  to {
    transform: translateX(8%) skewX(4deg);
  }
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@keyframes glow {
  to {
    text-shadow: 0 0 1rem color-mix(in srgb, var(--accent) 80%, white), 0 0 3rem var(--accent-2);
  }
}

@media (max-width: 980px) {
  .hero,
  .editor {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .creator-panel {
    align-self: stretch;
  }
}

@media (max-width: 680px) {
  .topbar,
  .top-actions {
    align-items: stretch;
  }

  .topbar {
    position: relative;
    flex-direction: column;
  }

  .top-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 2.55rem 1fr 1fr;
  }

  .hero-media {
    min-height: 31rem;
  }

  .quote-overlay {
    bottom: 3.3rem;
  }

  .quote-grid,
  .control-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .mode-meta {
    grid-template-columns: 1fr;
  }
}