/* ==========================================================================
   Full Control — prompt composer for Google Flow — dark IDE theme
   ========================================================================== */

:root {
  --bg-dark: #0d1117;
  --bg-card: #161b22;
  --bg-inset: #0b0f14;
  --bg-hover: #1f2630;
  --border: #30363d;
  --border-soft: #21262d;
  --text: #e6edf3;
  --text-dim: #8b949e;
  --text-faint: #6e7681;
  --accent-blue: #58a6ff;
  --accent-green: #3fb950;
  --accent-amber: #d29922;
  --accent-red: #f85149;
  --accent-purple: #bc8cff;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Fira Code', 'SF Mono', Menlo, Consolas, monospace;
  --radius: 8px;
}

* { box-sizing: border-box; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 8px 12px;
  background: var(--accent-blue);
  color: #06121f;
  border-radius: 4px;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

/* Our display rules outrank the UA stylesheet's [hidden], so restate it. */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg-dark);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
}

h1, h2, h3 { margin: 0; font-weight: 600; }

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 12px;
  gap: 10px;
}

/* --- Header ------------------------------------------------------------- */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { color: var(--accent-purple); font-size: 20px; }
.brand h1 { font-size: 16px; letter-spacing: -0.01em; }

.header-meta { display: flex; align-items: center; gap: 8px; }

.pill {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}
.pill.is-warn { color: var(--accent-amber); border-color: var(--accent-amber); }
.pill.is-ok { color: var(--accent-green); }

/* --- Help ----------------------------------------------------------------- */

.help-wrap, .tutorial-wrap, .about-wrap { position: relative; }

.help-panel, .tutorial-panel, .about-panel {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 50;
  width: 420px;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55);
}

.help-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 10px 8px 14px;
  border-bottom: 1px solid var(--border-soft);
  flex-shrink: 0;
}
.help-head h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  white-space: nowrap;
}
.help-head .form-control { flex: 1; min-width: 0; }
.help-head #help-close, .help-head #tutorial-close, .help-head #about-close {
  padding: 2px 8px;
  font-size: 14px;
  line-height: 1;
}

.help-body { flex: 1; overflow-y: auto; padding: 6px 8px 10px; }

.tutorial-body { flex: 1; overflow-y: auto; padding: 12px 14px 16px; }
.tutorial-body p { color: var(--text-dim); font-size: 12px; line-height: 1.5; margin: 0 0 8px; }
.tutorial-body strong { color: var(--text); }
.tutorial-body pre {
  margin: 0 0 12px;
  padding: 8px 10px;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  background: var(--bg-inset);
  color: var(--accent-purple);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.55;
  white-space: pre-wrap;
}
.tutorial-note { border-top: 1px solid var(--border-soft); margin-top: 2px !important; padding-top: 12px; }

.about-body { padding: 14px; }
.about-body p { color: var(--text-dim); font-size: 12px; line-height: 1.55; margin: 0 0 12px; }
.about-body #about-version { color: var(--accent-purple); font-family: var(--font-mono); }
.about-repo { color: var(--accent-blue); font-size: 12px; }

.help-group-title {
  padding: 10px 8px 4px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-faint);
}
.help-group-title:first-child { padding-top: 4px; }

.help-row { padding: 6px 8px; border-radius: 6px; }
.help-row:hover { background: var(--bg-hover); }
.help-label { font-family: var(--font-mono); font-size: 12px; color: var(--accent-purple); }
.help-hint { font-size: 11.5px; color: var(--text-dim); margin-top: 2px; line-height: 1.45; }
.help-example { font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); margin-top: 3px; }
.help-empty { color: var(--text-faint); font-size: 12px; padding: 16px; text-align: center; }

/* --- Cards & settings --------------------------------------------------- */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.settings-bar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 14px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.bar-sep { width: 1px; height: 20px; background: var(--border); }

.field { display: flex; align-items: center; gap: 8px; }
.field > span { color: var(--text-dim); font-size: 12px; white-space: nowrap; }

.check {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
  font-size: 12px;
  cursor: pointer;
  user-select: none;
}
.check input { accent-color: var(--accent-blue); cursor: pointer; }
.check:hover { color: var(--text); }

.form-control {
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--font-mono);
  padding: 6px 10px;
  outline: none;
}
.form-control:focus { border-color: var(--accent-blue); }
.form-control-sm { padding: 4px 8px; font-size: 12px; width: 76px; }

.btn {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 12px;
  padding: 6px 12px;
  transition: background 0.12s, border-color 0.12s;
}
.btn:hover { background: #2a323d; border-color: #444c56; }
:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 4px 10px; font-size: 11px; }
.btn-secondary { background: transparent; color: var(--text-dim); }
.btn-secondary:hover { color: var(--text); }
.btn.is-done { color: var(--accent-green); border-color: var(--accent-green); }
.btn:disabled { cursor: wait; opacity: 0.65; }

/* --- Panes -------------------------------------------------------------- */

.panes {
  display: grid;
  grid-template-columns: 1.15fr 260px 1.15fr;
  gap: 10px;
  flex: 1;
  min-height: 0;
}

.pane { display: flex; flex-direction: column; min-height: 0; overflow: hidden; }

.pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-soft);
  flex-shrink: 0;
}
.pane-head h2 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-dim); }
.hint { font-size: 11px; color: var(--text-faint); }

kbd {
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 1px 5px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text);
}

/* --- Editor ------------------------------------------------------------- */

.editor-wrap { position: relative; flex: 1; min-height: 0; }

#editor {
  width: 100%;
  height: 100%;
  background: var(--bg-inset);
  border: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  padding: 14px;
  resize: none;
  outline: none;
  white-space: pre-wrap;
  word-wrap: break-word;
  tab-size: 2;
}
#editor::placeholder { color: var(--text-faint); }

/* Hidden clone used only to measure the caret's pixel position. */
.caret-mirror {
  position: absolute;
  visibility: hidden;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow: hidden;
  top: 0;
  left: 0;
  pointer-events: none;
}

/* --- Autocomplete ------------------------------------------------------- */

.autocomplete {
  position: absolute;
  z-index: 40;
  min-width: 260px;
  max-width: 380px;
  max-height: 260px;
  overflow-y: auto;
  background: #1c2129;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55);
  padding: 4px;
}

.ac-item {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 6px 9px;
  border-radius: 5px;
  cursor: pointer;
}
.ac-item:hover { background: var(--bg-hover); }
.ac-item.is-active { background: #26344a; }

.ac-label { font-family: var(--font-mono); font-size: 12px; color: var(--text); }
.ac-label .ac-match { color: var(--accent-blue); font-weight: 500; }
.ac-hint { font-size: 10.5px; color: var(--text-faint); }

.ac-head {
  padding: 5px 9px 4px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-faint);
}

/* --- Timeline ----------------------------------------------------------- */

.timeline { flex: 1; overflow-y: auto; padding: 8px; }

.tl-row {
  display: flex;
  gap: 9px;
  padding: 7px 8px;
  border-radius: 6px;
  cursor: pointer;
  border-left: 2px solid transparent;
}
.tl-row:hover { background: var(--bg-hover); }
.tl-row.is-section { border-left-color: var(--accent-purple); }
.tl-row.is-cue { border-left-color: var(--accent-blue); }
.tl-row.is-generated { border-left-style: dashed; border-left-color: var(--accent-amber); }
.tl-row.is-generated .tl-title::after {
  content: ' \00b7 rolled';
  color: var(--accent-amber);
  font-size: 10px;
}
.tl-row.is-estimated .tl-time { color: var(--text-faint); font-style: italic; }

.tl-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-blue);
  min-width: 44px;
  flex-shrink: 0;
  padding-top: 1px;
}
.tl-body { min-width: 0; }
.tl-title { font-size: 12px; color: var(--text); }
.tl-sub { font-size: 10.5px; color: var(--text-dim); margin-top: 2px; line-height: 1.45; }
.tl-empty { color: var(--text-faint); font-size: 12px; padding: 14px; text-align: center; }

/* --- Output ------------------------------------------------------------- */

.toggle { display: flex; background: var(--bg-inset); border: 1px solid var(--border); border-radius: 6px; padding: 2px; }
.toggle-btn {
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--text-dim);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 11px;
  padding: 3px 12px;
}
.toggle-btn.is-active { background: var(--bg-hover); color: var(--text); }

/* Plain block flow inside a single scroller — flex children here caused the
   style and lyrics blocks to overlap once their content exceeded the pane. */
.output-view { flex: 1; display: block; min-height: 0; overflow-y: auto; }

.output-block { display: block; border-bottom: 1px solid var(--border-soft); }
.output-block:last-child { border-bottom: none; }

.output-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 2;
}
.output-head h3 { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); }

.output-text {
  margin: 0;
  padding: 0 14px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text);
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* --- Diagnostics -------------------------------------------------------- */

.operation-feedback {
  margin: 10px 14px 0;
  padding: 8px 10px;
  border: 1px solid var(--accent-red);
  border-radius: 6px;
  color: var(--text);
  background: rgba(248, 81, 73, 0.12);
  font-size: 12px;
  line-height: 1.45;
}

.diagnostics {
  flex-shrink: 0;
  max-height: 130px;
  overflow-y: auto;
  border-top: 1px solid var(--border);
  padding: 8px 14px;
  background: var(--bg-inset);
}
.diag {
  display: flex;
  gap: 8px;
  font-size: 11px;
  line-height: 1.55;
  padding: 2px 0;
  cursor: pointer;
}
.diag:hover .diag-msg { color: var(--text); }
.diag-line { font-family: var(--font-mono); color: var(--text-faint); flex-shrink: 0; min-width: 38px; }
.diag-msg { color: var(--text-dim); }
.diag.is-error .diag-line { color: var(--accent-red); }
.diag.is-warning .diag-line { color: var(--accent-amber); }
.diag.is-info .diag-line { color: var(--accent-blue); }

/* --- Compositions --------------------------------------------------------- */

.compositions {
  flex-shrink: 0;
  max-height: 220px;
  overflow-y: auto;
  border-top: 1px solid var(--border);
  padding: 10px 14px;
  background: var(--bg-inset);
}
.comp-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.comp-head h3 { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); }

.comp-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
.comp-empty { color: var(--text-faint); font-size: 11.5px; padding: 4px 0; }

.comp-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  border-radius: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  font-size: 11.5px;
}
.comp-date { font-family: var(--font-mono); color: var(--text-faint); white-space: nowrap; }
.comp-link { color: var(--accent-blue); text-decoration: none; white-space: nowrap; }
.comp-link:hover { text-decoration: underline; }
.comp-no-link { color: var(--text-faint); font-style: italic; white-space: nowrap; }
.comp-notes { color: var(--text-dim); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.comp-delete {
  background: transparent;
  border: none;
  color: var(--text-faint);
  cursor: pointer;
  font-size: 13px;
  line-height: 1;
  padding: 2px 4px;
  flex-shrink: 0;
}
.comp-delete:hover { color: var(--accent-red); }

.comp-form { display: flex; gap: 8px; flex-wrap: wrap; }
.comp-form .form-control { flex: 1; min-width: 160px; }

/* --- Scrollbars --------------------------------------------------------- */

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #2d3440; border-radius: 5px; border: 2px solid var(--bg-card); }
::-webkit-scrollbar-thumb:hover { background: #3d4654; }

/* --- Responsive --------------------------------------------------------- */

@media (max-width: 1180px) {
  .panes { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
  .pane-timeline { grid-column: 1 / -1; grid-row: 2; max-height: 240px; }
  .pane-output { grid-row: 1; }
}

@media (max-width: 760px) {
  .panes { grid-template-columns: 1fr; grid-template-rows: auto auto auto; overflow-y: auto; }
  .pane { min-height: 300px; }
  .help-panel { width: calc(100vw - 24px); right: -12px; }
}