:root {
  color-scheme: light dark;
  --bg: #f5f5f7;
  --card: #ffffff;
  --card-2: #f2f2f7;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(0, 0, 0, 0.08);
  --accent: #0a84ff;
  --danger: #ff3b30;
  --shadow: 0 12px 38px rgba(0, 0, 0, 0.08);
}

body.dark {
  --bg: #101014;
  --card: #1c1c20;
  --card-2: #2a2a30;
  --text: #f5f5f7;
  --muted: #a1a1a6;
  --line: rgba(255, 255, 255, 0.1);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
}

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

button {
  border: 0;
  cursor: pointer;
}

.app-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 28px clamp(16px, 3vw, 32px) 34px;
}

.topbar, .workspace, .editor-header, .panel-heading, .bottom-bar, .top-actions {
  display: flex;
  gap: 14px;
}

.topbar {
  align-items: center;
  justify-content: space-between;
}

h1, h2, p {
  margin: 0;
}

h1 {
  font-size: clamp(34px, 4vw, 52px);
  letter-spacing: 0;
}

.topbar p {
  color: var(--muted);
  margin-top: 4px;
}

.hero-actions {
  display: grid;
  gap: 12px;
  width: min(520px, 100%);
  margin: 44px auto 28px;
}

.primary, .secondary, .danger, .icon-button {
  min-height: 44px;
  border-radius: 16px;
  padding: 0 18px;
  color: var(--text);
  background: var(--card-2);
}

.primary {
  min-height: 86px;
  background: var(--accent);
  color: white;
  font-size: 22px;
  font-weight: 750;
  box-shadow: 0 16px 32px rgba(10, 132, 255, 0.28);
}

.primary.compact {
  min-height: 48px;
  font-size: 16px;
}

.secondary {
  font-weight: 650;
}

.secondary.wide {
  min-height: 56px;
}

.danger {
  background: var(--danger);
  color: white;
  font-weight: 700;
}

.danger:disabled {
  opacity: 0.35;
}

.icon-button {
  width: 46px;
  padding: 0;
}

.workspace {
  align-items: flex-start;
}

.library-panel, .editor-panel {
  background: color-mix(in srgb, var(--card) 94%, transparent);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.library-panel {
  width: 330px;
  min-width: 280px;
  padding: 16px;
  position: sticky;
  top: 18px;
}

.panel-heading {
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.panel-heading h2 {
  font-size: 20px;
}

.panel-heading input {
  width: 132px;
}

input, textarea, select {
  border: 1px solid var(--line);
  background: var(--card-2);
  color: var(--text);
  border-radius: 14px;
  padding: 12px 14px;
  outline: none;
}

textarea {
  resize: vertical;
}

.story-list {
  display: grid;
  gap: 10px;
}

.story-card {
  display: grid;
  grid-template-columns: 1fr 44px;
  gap: 10px;
  align-items: center;
  width: 100%;
  min-height: 76px;
  text-align: left;
  padding: 12px;
  border-radius: 18px;
  background: var(--card-2);
}

.story-open {
  min-height: 52px;
  padding: 0;
  text-align: left;
  color: var(--text);
  background: transparent;
}

.story-card.active {
  outline: 2px solid color-mix(in srgb, var(--accent) 70%, transparent);
}

.story-card strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.story-card span {
  color: var(--muted);
  font-size: 13px;
}

.trash-button {
  width: 44px;
  height: 44px;
  color: var(--danger);
  border-radius: 12px;
  background: color-mix(in srgb, var(--danger) 12%, transparent);
}

.editor-panel {
  flex: 1;
  min-width: 0;
  padding: clamp(16px, 2.4vw, 24px);
}

.editor-header {
  align-items: center;
}

.title-input {
  flex: 1;
  font-size: 26px;
  font-weight: 760;
}

.kind-select {
  min-width: 150px;
}

.logline {
  width: 100%;
  min-height: 70px;
  margin-top: 12px;
}

.section-list {
  display: grid;
  gap: 14px;
  margin: 16px 0 86px;
}

.section-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card-2);
}

.section-top {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 10px;
  align-items: center;
}

.drag-handle {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--card);
  color: var(--muted);
  font-weight: 800;
  cursor: grab;
}

.drag-handle:active {
  cursor: grabbing;
}

.section-card textarea {
  width: 100%;
  min-height: 190px;
  background: var(--card);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.scene-grid input {
  width: 100%;
}

.bottom-bar {
  position: sticky;
  bottom: 0;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: color-mix(in srgb, var(--card) 94%, transparent);
  backdrop-filter: blur(18px);
}

dialog {
  border: 0;
  border-radius: 24px;
  padding: 0;
  background: transparent;
  color: var(--text);
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.28);
}

.dialog-card {
  display: grid;
  gap: 14px;
  width: min(440px, calc(100vw - 28px));
  padding: 20px;
  background: var(--card);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.wide-dialog {
  width: min(760px, calc(100vw - 28px));
}

.wide-dialog textarea {
  min-height: 420px;
}

menu {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 0;
  margin: 0;
}

.preview-lines {
  display: grid;
  gap: 5px;
  color: var(--muted);
}

@media (max-width: 820px) {
  .workspace {
    display: block;
  }

  .library-panel {
    width: 100%;
    position: static;
    margin-bottom: 14px;
  }

  .editor-header, .scene-grid {
    grid-template-columns: 1fr;
    display: grid;
  }
}