/* 前タレ工房 — style.css
   既定はホワイトモード。<html data-theme="dark"> でダークモード */

:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --field: #f6f8fa;
  --line: #dde3e9;
  --text: #17222b;
  --muted: #66727d;
  --accent: #0f5e78;
  --accent-soft: #e3f0f5;
  --accent-ink: #ffffff;
  --danger: #b42318;
  --stage: #e6eaee;
  --paper-shadow: 0 2px 4px rgba(20, 40, 60, .12), 0 18px 40px rgba(20, 40, 60, .16);
  --radius: 12px;
  --ui-font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", "BIZ UDPGothic", Meiryo, "Noto Sans JP", system-ui, sans-serif;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #0f1418;
  --panel: #171e24;
  --field: #1e272f;
  --line: #2b3640;
  --text: #e7edf1;
  --muted: #92a0ab;
  --accent: #5cc0d8;
  --accent-soft: #19323b;
  --accent-ink: #06222b;
  --danger: #ff8f84;
  --stage: #0a0e11;
  --paper-shadow: 0 2px 4px rgba(0, 0, 0, .5), 0 18px 40px rgba(0, 0, 0, .55);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--ui-font);
  font-size: 14px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand h1 { margin: 0; font-size: 18px; letter-spacing: .08em; line-height: 1.2; }
.brand p { margin: 0; font-size: 12px; color: var(--muted); }
.logo {
  display: grid;
  place-items: center;
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 22px;
  font-weight: 700;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "BIZ UDPMincho", "Noto Serif JP", serif;
}
.top-actions { display: flex; gap: 8px; flex: none; }

/* ---------- Layout ---------- */
.layout {
  display: grid;
  grid-template-columns: minmax(300px, 370px) minmax(0, 1fr) minmax(300px, 360px);
  gap: 16px;
  padding: 16px 20px 32px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  position: sticky;
  top: 70px;
  max-height: calc(100vh - 86px);
  overflow: auto;
}
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.panel-head h2 { margin: 0; font-size: 15px; }
.badge {
  padding: 1px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

/* ---------- Buttons ---------- */
.btn, .icon {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 14px;
  line-height: 1.3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: background-color .15s, border-color .15s;
}
.btn:hover, .icon:hover { border-color: var(--accent); background: var(--accent-soft); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); background: var(--accent); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); }
.btn:disabled { opacity: .5; cursor: progress; }
.icon { width: 30px; height: 30px; padding: 0; font-size: 15px; }

/* ---------- Drop zone / CSV ---------- */
.drop {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1.5px dashed var(--line);
  border-radius: 10px;
  background: var(--field);
  margin-bottom: 12px;
}
.drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop strong { display: block; }
.drop span { color: var(--muted); font-size: 12px; }
.drop-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.hint { margin: 0; font-size: 12px; color: var(--muted); line-height: 1.55; }

/* ---------- Slip list ---------- */
.slips { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 8px; }
.row {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
}
.row.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.row .idx { color: var(--muted); font-size: 12px; padding-top: 7px; text-align: center; }
.row .fields { display: grid; gap: 5px; min-width: 0; }
.row .acts { display: grid; gap: 4px; align-content: start; }
.row .acts .icon { width: 28px; height: 26px; font-size: 13px; }
.list-actions { display: flex; gap: 8px; }

/* ---------- Form controls ---------- */
input[type="text"], input[type="number"], select {
  font: inherit;
  width: 100%;
  min-width: 0;
  padding: 6px 9px;
  color: var(--text);
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: 7px;
}
input[type="text"]:focus, input[type="number"]:focus, select:focus { border-color: var(--accent); }
input[type="color"] {
  width: 100%;
  height: 34px;
  padding: 2px;
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: 7px;
  cursor: pointer;
}
input[type="range"] { width: 100%; accent-color: var(--accent); }

.card { border: 1px solid var(--line); border-radius: 10px; margin-bottom: 10px; background: var(--panel); }
.card > summary {
  cursor: pointer;
  list-style: none;
  padding: 10px 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}
.card > summary::-webkit-details-marker { display: none; }
.card > summary::after { content: "＋"; margin-left: auto; color: var(--muted); font-weight: 400; }
.card[open] > summary::after { content: "－"; }
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 2px 12px 12px;
}
.wide { grid-column: 1 / -1; }
.ctl { display: grid; gap: 4px; align-content: start; font-size: 12px; color: var(--muted); }
.ctl.two { grid-template-columns: 1fr 1fr; gap: 10px; }
.ctl.two label { display: grid; gap: 4px; }
.pair { display: grid; grid-template-columns: 1fr 66px; gap: 8px; align-items: center; }
.check { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.check input { accent-color: var(--accent); width: 16px; height: 16px; }

.switch { position: relative; width: 34px; height: 20px; flex: none; }
.switch input { opacity: 0; position: absolute; inset: 0; margin: 0; cursor: pointer; z-index: 1; }
.switch span {
  position: absolute; inset: 0;
  background: var(--line);
  border-radius: 999px;
  transition: background-color .15s;
}
.switch span::after {
  content: "";
  position: absolute;
  left: 2px; top: 2px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  transition: transform .15s;
}
.switch input:checked + span { background: var(--accent); }
.switch input:checked + span::after { transform: translateX(14px); }
.switch input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- Stage ---------- */
.stage {
  background: var(--stage);
  border-radius: var(--radius);
  padding: 14px;
  display: grid;
  gap: 12px;
  position: sticky;
  top: 70px;
}
.stage-bar, .stage-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.pager { display: flex; align-items: center; gap: 10px; font-variant-numeric: tabular-nums; }
.toggle-inline { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.toggle-inline input { accent-color: var(--accent); }
.stage-box { display: flex; justify-content: center; width: 100%; }
#preview {
  display: block;
  background: #fff;
  box-shadow: var(--paper-shadow);
  touch-action: pan-y;
  max-width: 100%;
}
.drag-on #preview { touch-action: none; }
.muted { color: var(--muted); font-size: 12px; }
.status { margin: 0; min-height: 1.4em; font-size: 12px; color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .layout { grid-template-columns: minmax(0, 1fr); padding: 12px; }
  .stage { order: 1; position: static; }
  .panel-list { order: 2; }
  .panel-style { order: 3; }
  .panel { position: static; max-height: none; overflow: visible; }
  .brand p { display: none; }
  .topbar { padding: 8px 12px; }
}

@media (max-width: 520px) {
  .grid { grid-template-columns: 1fr; }
  .top-actions .btn { padding: 7px 10px; font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}