/* SoveStudio — 편집 화면.
   어두운 바탕을 쓰는 이유는 취향이 아니라 영상이다. 밝은 UI 옆에서는 같은
   클립도 다르게 보여서, 색을 맞추는 작업이 어긋난다. */

:root {
  --bg: #06120d;
  --panel: #0c1a15;
  --panel-2: #122520;
  --line: #1d3a31;
  --text: #e8f2ee;
  --text-dim: #9fb5ad;
  --mint: #38e1b0;
  --mint-dark: #0d8a6c;
  --warn: #d9a441;
  --bad: #e2795f;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.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;
}

/* ───────────────────────────── 상단 ───────────────────────────── */

.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 12px 18px; border-bottom: 1px solid var(--line); background: var(--panel);
}
.brand { display: flex; align-items: center; gap: 9px; color: var(--text); text-decoration: none; font-size: 1.05rem; }
.brand strong { color: var(--mint); }
.tagline { margin: 0; color: var(--text-dim); font-size: .86rem; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.chip {
  font: 700 .74rem ui-monospace, SFMono-Regular, Menlo, monospace;
  border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; color: var(--text-dim);
}
.chip.ok { border-color: var(--mint-dark); color: var(--mint); }
.chip.bad { border-color: var(--bad); color: var(--bad); }

/* ───────────────────────────── 버튼 ───────────────────────────── */

.btn {
  font: 700 .88rem inherit; cursor: pointer;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px;
}
.btn:hover:not(:disabled) { border-color: var(--mint-dark); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--mint); color: #06120d; border-color: var(--mint); }
.btn.ghost { background: transparent; }
.btn.tiny { padding: 3px 10px; font-size: .78rem; }
.btn:focus-visible, a:focus-visible, select:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--mint); outline-offset: 2px;
}

/* ───────────────────────────── 배치 ───────────────────────────── */

#app {
  flex: 1; display: grid; gap: 1px; background: var(--line);
  grid-template-columns: minmax(220px, 1fr) minmax(0, 3fr) minmax(240px, 1fr);
}
.panel { background: var(--panel); padding: 16px; overflow: auto; }
.panel h2 { margin: 0 0 10px; font-size: .95rem; letter-spacing: .02em; }
.hint { margin: 0 0 12px; color: var(--text-dim); font-size: .8rem; line-height: 1.5; }

@media (max-width: 980px) {
  #app { grid-template-columns: 1fr; }
  .panel { max-height: none; }
}

/* ───────────────────────────── 에셋 ───────────────────────────── */

.drop {
  display: block; border: 1.5px dashed var(--line); border-radius: var(--radius);
  padding: 22px 14px; text-align: center; cursor: pointer; color: var(--text-dim);
  font-size: .86rem; transition: border-color .15s, background .15s;
}
.drop:hover, .drop.over { border-color: var(--mint); background: rgba(56, 225, 176, .06); }
.drop small { opacity: .8; }

.asset-list { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 8px; }
.asset {
  display: grid; grid-template-columns: auto 1fr auto auto; gap: 8px; align-items: center;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px;
}
.asset-kind {
  font: 700 .66rem ui-monospace, monospace; text-transform: uppercase;
  border-radius: 999px; padding: 2px 7px; background: #0f3d2e; color: #7df0c8;
}
.asset.audio .asset-kind { background: #3d2f0f; color: #f0d67d; }
.asset.image .asset-kind { background: #1c2f4a; color: #9ec6f0; }
.asset-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .84rem; }
.asset-meta { color: var(--text-dim); font: .74rem ui-monospace, monospace; }

/* ──────────────────────── 미리보기·타임라인 ──────────────────────── */

.stage { display: flex; flex-direction: column; gap: 12px; }
.preview { position: relative; background: #000; border-radius: var(--radius); overflow: hidden; }
#preview { display: block; width: 100%; height: auto; }
.preview-empty {
  position: absolute; inset: 0; display: grid; place-items: center;
  margin: 0; color: var(--text-dim); font-size: .88rem; pointer-events: none; text-align: center; padding: 20px;
}

.transport { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.time { font: .82rem ui-monospace, monospace; color: var(--text-dim); }
.zoom { margin-left: auto; font-size: .78rem; color: var(--text-dim); display: flex; align-items: center; gap: 8px; }

.timeline {
  position: relative; background: var(--panel-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 10px; overflow-x: auto; min-height: 150px;
}
.track { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.track-name {
  flex: 0 0 56px; font: 700 .7rem ui-monospace, monospace;
  text-transform: uppercase; color: var(--text-dim);
}
.lane { position: relative; height: 38px; background: rgba(255, 255, 255, .03); border-radius: 7px; min-width: 100%; }
.clip {
  position: absolute; top: 3px; height: 32px; display: flex; align-items: center;
  padding: 0 22px 0 9px; border-radius: 7px; background: var(--mint-dark); color: #06120d;
  font: 700 .74rem inherit; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  border: 1px solid rgba(255, 255, 255, .18);
}
.clip-del {
  position: absolute; right: 3px; top: 3px; width: 18px; height: 18px; line-height: 1;
  border: 0; border-radius: 5px; background: rgba(6, 18, 13, .45); color: #fff; cursor: pointer; font-size: .8rem;
}
.playhead { position: absolute; top: 10px; bottom: 10px; width: 2px; background: var(--mint); pointer-events: none; }

/* ───────────────────────────── 도구 ───────────────────────────── */

.tools details { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 10px; }
.tools summary { cursor: pointer; padding: 10px 12px; font-weight: 700; font-size: .88rem; }
.tools details > *:not(summary) { padding: 0 12px; }
.tools details > *:last-child { padding-bottom: 12px; }

label { display: block; font-size: .78rem; color: var(--text-dim); margin: 8px 0 4px; }
select {
  width: 100%; background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 9px; padding: 8px 10px; font: inherit;
}
#export { margin-top: 12px; width: 100%; }
progress { width: 100%; margin-top: 10px; height: 6px; }
.status { font-size: .8rem; color: var(--text-dim); margin: 8px 0 0; min-height: 1.2em; }

.tool-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.tool-list li {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  font-size: .82rem; padding: 6px 8px; background: var(--panel-2); border-radius: 8px;
}
/* 아직 없는 기능을 '곧' 이라고 쓰지 않는다. 날짜를 약속하지 않고 상태만 적는다. */
.tool-list em {
  font-style: normal; font: 700 .66rem ui-monospace, monospace; text-transform: uppercase;
  color: var(--warn); border: 1px solid var(--warn); border-radius: 999px; padding: 1px 7px;
}

/* ───────────────────────────── 바닥 ───────────────────────────── */

.foot {
  border-top: 1px solid var(--line); background: var(--panel);
  padding: 16px 18px; color: var(--text-dim); font-size: .8rem;
}
.foot nav { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }
.foot a { color: var(--mint); }
.foot p { margin: 0; }