/* ============================================
   다음화에 계속 — 韓ドラ・エンディングメーカー
   シネマティック・ダーク。フィルムの余韻。
   ============================================ */
:root {
  --bg: #0b0b0e;
  --bg-panel: #131318;
  --bg-inset: #0e0e12;
  --line: #2a2a33;
  --line-soft: #1d1d24;
  --ink: #e8e4dc;
  --ink-dim: #8c8898;
  --ink-faint: #57535f;
  --accent: #c9a96a;        /* 真鍮色 — フィルムのタイトル金 */
  --accent-soft: #c9a96a33;
  --blue: #6e87b8;
  --serif-kr: "Nanum Myeongjo", serif;
  --serif-ja: "Zen Old Mincho", "Noto Serif JP", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif-ja);
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, #1a1722 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 110%, #131020 0%, transparent 60%);
}

/* 全画面グレイン */
.film-grain-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 99;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grainShift 0.8s steps(4) infinite;
}
@keyframes grainShift {
  0% { transform: translate(0,0); } 25% { transform: translate(-3px,2px); }
  50% { transform: translate(2px,-3px); } 75% { transform: translate(-2px,-2px); }
  100% { transform: translate(0,0); }
}

/* ---------- ヘッダー ---------- */
.site-header { text-align: center; padding: 44px 20px 28px; }
.header-line {
  width: 120px; height: 1px; margin: 0 auto;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.site-title { display: flex; flex-direction: column; gap: 6px; padding: 18px 0 10px; }
.title-kr {
  font-family: var(--serif-kr);
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 800;
  letter-spacing: 0.22em;
  color: var(--ink);
  text-shadow: 0 0 40px rgba(201,169,106,0.25);
}
.title-ja { font-size: 13px; letter-spacing: 0.5em; color: var(--accent); text-indent: 0.5em; }
.site-sub { font-size: 13px; color: var(--ink-dim); letter-spacing: 0.15em; padding-bottom: 18px; }

/* ---------- レイアウト ---------- */
.app {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(320px, 1fr);
  gap: 28px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 28px 60px;
}
@media (max-width: 920px) { .app { grid-template-columns: 1fr; } }
@media (max-width: 640px) {
  .app { padding: 8px 14px 40px; gap: 18px; }
  .site-header { padding: 28px 14px 18px; }
  .ctrl-group { padding: 16px 16px 18px; }
  .slider-field { grid-template-columns: 90px 1fr 40px; }
  .export-row { flex-wrap: wrap; }
  .export-row .btn { flex: 1 1 100%; }
  .letterbox { height: 16px; }
  .dropzone { margin: 16px 0; }
  canvas#preview { max-height: 56vh; }
}

/* ---------- ステージ ---------- */
.stage-panel { display: flex; flex-direction: column; gap: 14px; }
.stage-frame {
  position: relative;
  background: #000;
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.9), 0 0 0 1px #000;
}
.letterbox { height: 26px; background: #000; position: relative; z-index: 2; }
canvas#preview {
  display: block;
  max-width: 100%; max-height: 64vh;
  width: auto; height: auto;
  margin: 0 auto;
  cursor: crosshair;
}

.dropzone {
  position: absolute; inset: 0; z-index: 3;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  background: rgba(11,11,14,0.55);
  backdrop-filter: blur(2px);
  border: 1px dashed var(--ink-faint);
  margin: 26px 0;
  transition: border-color 0.25s, background 0.25s;
}
.dropzone:hover, .dropzone.dragover { border-color: var(--accent); background: rgba(20,17,12,0.6); }
.dropzone.hidden { display: none; }
.dropzone-inner { text-align: center; }
.dz-icon { color: var(--accent); font-size: 22px; margin-bottom: 12px; }
.dz-main { font-size: 15px; letter-spacing: 0.08em; }
.dz-sub { font-size: 12px; color: var(--ink-dim); margin-top: 8px; letter-spacing: 0.06em; }

.stage-controls { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.timecode { font-size: 12px; color: var(--ink-faint); letter-spacing: 0.2em; font-variant-numeric: tabular-nums; }
.stage-hint { font-size: 11px; color: var(--ink-faint); letter-spacing: 0.1em; text-align: center; }

.aspect-chips { display: flex; gap: 6px; }
.aspect-chip {
  background: transparent; border: 1px solid var(--line); color: var(--ink-dim);
  font-family: inherit; font-size: 11px; letter-spacing: 0.1em;
  padding: 6px 12px; cursor: pointer; transition: all 0.2s;
}
.aspect-chip.active { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

.share-row { display: flex; gap: 10px; margin-top: 14px; }
.share-row[hidden] { display: none; }
.share-row .btn { flex: 1; }
.wm-field { margin-top: 12px; }
.footer-links { margin-top: 10px; }
.footer-links a { color: var(--ink-dim); text-decoration: none; }
.footer-links a:hover { color: var(--accent); }

/* ---------- コントロールパネル ---------- */
.control-panel { display: flex; flex-direction: column; gap: 18px; }
.ctrl-group {
  background: var(--bg-panel);
  border: 1px solid var(--line-soft);
  padding: 20px 22px 22px;
}
.ctrl-title {
  font-size: 13px; font-weight: 600; letter-spacing: 0.3em;
  color: var(--ink-dim); margin-bottom: 16px;
  display: flex; align-items: baseline; gap: 10px;
}
.ctrl-title .num { color: var(--accent); font-size: 11px; letter-spacing: 0.1em; }

.text-input {
  width: 100%;
  background: var(--bg-inset);
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--serif-kr);
  font-size: 17px;
  letter-spacing: 0.12em;
  padding: 12px 14px;
  text-align: center;
  outline: none;
  transition: border-color 0.2s;
}
.text-input:focus { border-color: var(--accent); }

.presets { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  font-family: var(--serif-kr);
  font-size: 12px;
  padding: 6px 12px;
  cursor: pointer;
  letter-spacing: 0.08em;
  transition: all 0.2s;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

.row { display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.field { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 80px; }
.field span { font-size: 11px; color: var(--ink-faint); letter-spacing: 0.15em; }
.field select {
  background: var(--bg-inset); border: 1px solid var(--line); color: var(--ink);
  font-family: inherit; font-size: 13px; padding: 7px 8px; outline: none;
}
.field input[type="range"] { margin-top: 8px; }

/* カラーグレード */
.grade-presets { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 18px; }
.grade-chip {
  display: flex; align-items: center; gap: 9px;
  background: var(--bg-inset); border: 1px solid var(--line);
  color: var(--ink-dim); font-family: inherit; font-size: 12px;
  letter-spacing: 0.1em; padding: 9px 12px; cursor: pointer;
  transition: all 0.2s;
}
.grade-chip.active { border-color: var(--accent); color: var(--ink); background: var(--accent-soft); }
.swatch { width: 16px; height: 16px; border-radius: 50%; flex-shrink: 0; }
.sw-blue { background: linear-gradient(135deg, #3a4f78, #8aa3cc); }
.sw-warm { background: linear-gradient(135deg, #8a5a30, #e0a868); }
.sw-mono { background: linear-gradient(135deg, #333, #bbb); }
.sw-none { background: linear-gradient(135deg, #4a6, #c95); }

.slider-field {
  display: grid; grid-template-columns: 110px 1fr 44px; align-items: center;
  gap: 10px; margin-bottom: 12px;
}
.slider-field span { font-size: 12px; color: var(--ink-dim); letter-spacing: 0.08em; }
.slider-field b { font-size: 11px; color: var(--accent); text-align: right; font-weight: 400; font-variant-numeric: tabular-nums; }

input[type="range"] {
  -webkit-appearance: none; appearance: none;
  height: 2px; background: var(--line); outline: none; width: 100%;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--accent); cursor: pointer;
  border: 2px solid var(--bg-panel);
  box-shadow: 0 0 8px rgba(201,169,106,0.5);
}

.check-field { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-dim); cursor: pointer; margin-top: 4px; }
.check-field input { accent-color: var(--accent); width: 15px; height: 15px; }

/* ---------- ボタン ---------- */
.btn {
  font-family: var(--serif-ja);
  font-size: 13px; letter-spacing: 0.18em;
  padding: 12px 22px; cursor: pointer;
  border: 1px solid var(--line); background: transparent; color: var(--ink);
  transition: all 0.25s;
}
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #14110a; border-color: var(--accent); font-weight: 600; }
.btn-primary:not(:disabled):hover { box-shadow: 0 0 24px rgba(201,169,106,0.45); }
.btn-secondary:not(:disabled):hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { border-color: var(--line); color: var(--ink-dim); }
.btn-ghost:not(:disabled):hover { color: var(--ink); border-color: var(--ink-dim); }

.export-row { display: flex; gap: 10px; }
.export-row .btn { flex: 1; }

.progress { margin-top: 14px; }
.progress-bar { height: 3px; background: var(--line-soft); overflow: hidden; }
.progress-fill { height: 100%; width: 0%; background: var(--accent); transition: width 0.2s; }
#progressText { font-size: 11px; color: var(--ink-dim); letter-spacing: 0.15em; display: block; margin-top: 8px; }

/* ---------- 広告枠 ---------- */
/* data-empty の間は非表示（空白や「広告枠だけのサイト」に見えるのを防ぐ）。
   AdSenseコードを貼ったら data-empty 属性を削除する */
.ad-slot[data-empty] { display: none; }
.ad-slot {
  position: relative;
  margin-top: 22px;
  background: var(--bg-inset);
  border: 1px solid var(--line-soft);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 8px;
}
/* ステマ規制（景表法）対応の広告表記 */
.ad-slot::after {
  content: "PR";
  position: absolute;
  top: -9px; left: 10px;
  font-size: 9px; letter-spacing: 0.2em;
  color: var(--ink-faint);
  background: var(--bg);
  padding: 0 6px;
}
.ad-slot a { display: block; line-height: 0; }
.ad-slot img { max-width: 100%; height: auto; }

.site-footer {
  text-align: center; padding: 30px 20px 44px;
  font-size: 11px; color: var(--ink-faint); letter-spacing: 0.2em;
}