:root {
  --bg: #0b1220; --rail: #0d1526; --card: #111b2e; --card2: #0f1829; --line: #1f2b40; --line2: #2a3a55;
  --text: #e5ecf6; --muted: #8fa0b8; --accent: #14b8a6; --accent2: #0ea5a4; --blue: #3b82f6;
  --green: #22c55e; --red: #ef4444; --orange: #f59e0b; --cyan: #22d3ee; --yellow: #fde047;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif; }
a { color: inherit; text-decoration: none; }
code { font-family: Consolas, "Cascadia Mono", monospace; font-size: 12px; background: #0a1120; padding: 1px 5px; border-radius: 4px; color: #cfe3ff; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.hidden { display: none !important; }
.spacer { flex: 1; }

/* ---------------------------------------------------------------- layout */
.app { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: 100vh; }
.rail { background: var(--rail); border-right: 1px solid var(--line); display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: 10px; padding: 18px 16px 14px; border-bottom: 1px solid var(--line); }
.logo { width: 36px; height: 36px; flex: none; }
.brand-name { font-weight: 800; letter-spacing: .04em; font-size: 16px; }
.brand-sub { color: var(--muted); font-size: 11px; letter-spacing: .02em; }
.nav { display: flex; flex-direction: column; padding: 10px 8px; gap: 2px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; color: #c9d5e6; }
.nav a:hover { background: #142038; }
.nav a.active { background: rgba(20,184,166,.14); color: #fff; box-shadow: inset 3px 0 0 var(--accent); }
.nav .ico { width: 18px; text-align: center; color: var(--accent); }
.rail-foot { margin-top: auto; padding: 12px 14px 16px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); display: flex; flex-direction: column; gap: 8px; }
.engine { line-height: 1.5; }
.conn .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #64748b; margin-right: 6px; }
.conn.on .dot { background: var(--green); box-shadow: 0 0 6px var(--green); }

.content { min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 12px 22px; border-bottom: 1px solid var(--line); background: rgba(13,21,38,.7); backdrop-filter: blur(6px); position: sticky; top: 0; z-index: 5; }
.crumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.crumb b { color: var(--text); font-size: 14px; }
.crumb .sep { color: #4b5b75; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.badge { font-size: 11px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--line2); color: var(--muted); background: #0f1829; }
.badge.accent { border-color: rgba(20,184,166,.5); color: #99f6e4; background: rgba(20,184,166,.1); }
.badge.live { border-color: rgba(34,197,94,.5); color: #86efac; background: rgba(34,197,94,.12); }
.badge.paused { border-color: rgba(245,158,11,.5); color: #fcd34d; background: rgba(245,158,11,.12); }
.clock { font-family: Consolas, monospace; font-size: 12px; color: var(--muted); }

.tab { display: none; padding: 18px 22px; flex-direction: column; gap: 14px; }
.tab.active { display: flex; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; min-width: 0; }
.card-h { font-size: 13px; font-weight: 600; color: #c7d3e6; margin-bottom: 10px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card-h .small { font-weight: 400; }
.ov-title { margin: 0 0 6px; font-size: 20px; }
.kv { display: grid; grid-template-columns: 90px 1fr; gap: 6px 10px; margin: 12px 0 0; font-size: 13px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; }

/* ---------------------------------------------------------------- tables */
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th, .tbl td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl th { color: var(--muted); font-weight: 500; font-size: 12px; }
.tbl.mono { font-family: Consolas, "Cascadia Mono", monospace; font-size: 12px; }
.tbl.mono td { padding: 3px 6px; }
td.FULL { color: var(--red); font-weight: 700; }
td.EMPTY { color: var(--green); }
.chip { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px; border: 1px solid; white-space: nowrap; }
.chip.available { color: #86efac; border-color: rgba(34,197,94,.5); background: rgba(34,197,94,.12); }
.chip.supported { color: #93c5fd; border-color: rgba(59,130,246,.5); background: rgba(59,130,246,.12); }
.chip.planned { color: #cbd5e1; border-color: #475569; background: rgba(71,85,105,.25); }

/* ---------------------------------------------------------------- controls */
select, input[type=number], input[type=text] { background: #0a1120; color: var(--text); border: 1px solid var(--line2); border-radius: 6px; padding: 5px 8px; font: inherit; }
select[multiple] { width: 100%; height: 150px; font-family: Consolas, monospace; font-size: 12px; }
button { background: #182640; color: var(--text); border: 1px solid var(--line2); border-radius: 6px; padding: 6px 11px; cursor: pointer; font: inherit; }
button:hover { background: #1f3050; }
button.primary { background: var(--accent2); border-color: var(--accent2); color: #04211f; font-weight: 600; }
button.primary:hover { background: var(--accent); }
button.active { outline: 2px solid var(--accent); }
button.small { padding: 2px 8px; font-size: 12px; }
button:disabled { opacity: .4; cursor: default; }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; }
.toolbar label { display: flex; gap: 6px; align-items: center; color: var(--muted); font-size: 13px; }
.toolbar .btns { display: flex; gap: 6px; }
.status { color: var(--orange); font-size: 13px; }
details.adv { width: 100%; color: var(--muted); font-size: 13px; }
details.adv summary { cursor: pointer; }
.adv-grid { display: flex; flex-wrap: wrap; gap: 8px 14px; padding: 8px 0 2px; }
.adv-grid label { display: flex; align-items: center; gap: 6px; }
.adv-grid input { width: 72px; }

.kpis { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 14px; }
.kpi .k { font-size: 12px; color: var(--muted); }
.kpi .v { font-size: 22px; font-weight: 700; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi .v small { font-size: 12px; font-weight: 400; color: var(--muted); margin-left: 4px; }

.live-grid { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 14px; }
.video-card { padding: 10px; }
.canvas-wrap { background: #000; border-radius: 8px; overflow: hidden; border: 1px solid var(--line); }
canvas#view { display: block; width: 100%; height: auto; }
.timeline { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.timeline input[type=range] { flex: 1; accent-color: var(--accent); }
#timeLabel { font-family: Consolas, monospace; color: var(--muted); min-width: 280px; text-align: right; font-size: 12px; }
.stats { margin-top: 6px; color: var(--muted); font-family: Consolas, monospace; font-size: 12px; white-space: pre-wrap; }

.editor-bar { margin-top: 10px; padding: 10px 12px; background: var(--card2); border: 1px solid var(--line2); border-radius: 8px; }
.editor-bar .row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 4px 0; }
.editor-bar .ed-title { font-weight: 700; color: var(--accent); margin-right: 4px; }
.editor-bar label.small { display: flex; align-items: center; gap: 4px; color: var(--muted); }
.hint { color: var(--muted); font-size: 12px; margin-top: 6px; line-height: 1.6; }

.side { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.side .row { display: flex; gap: 6px; align-items: center; margin-bottom: 6px; flex-wrap: wrap; }
#spaceTableWrap { max-height: 240px; overflow-y: auto; }
.roi-list { max-height: 260px; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; }
.roi-row { display: flex; align-items: center; gap: 8px; padding: 4px 6px; border-radius: 6px; border: 1px solid transparent; cursor: pointer; }
.roi-row:hover { background: #142038; }
.roi-row.sel { border-color: var(--blue); background: rgba(59,130,246,.12); }
.roi-row input { width: 110px; padding: 2px 6px; font-family: Consolas, monospace; font-size: 12px; }
#log { height: 250px; overflow-y: auto; font-family: Consolas, "Cascadia Mono", monospace; font-size: 12px; background: #0a1120; border-radius: 6px; padding: 6px 8px; }
#log div { padding: 1px 0; border-bottom: 1px dotted #1b2740; white-space: nowrap; }
#log .FULL { color: var(--red); } #log .EMPTY { color: var(--green); }
#log .ENTER { color: var(--orange); } #log .EXIT { color: var(--cyan); }
#log .sys { color: var(--muted); }

pre.schema { margin: 0; background: #0a1120; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; font-size: 11.5px; line-height: 1.5; color: #c9d7ea; overflow: auto; max-height: 420px; }
pre.live-json { max-height: 300px; color: #b7c6da; }

footer { margin-top: auto; padding: 12px 22px 16px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

@media (max-width: 1250px) { .live-grid { grid-template-columns: 1fr; } .kpis { grid-template-columns: repeat(3, 1fr); } .grid-2 { grid-template-columns: 1fr; } }
@media (max-width: 800px) { .app { grid-template-columns: 1fr; } .rail { position: static; height: auto; } }

.howto { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.howto > div { background: var(--card2); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.howto b { color: var(--accent); }
.howto span { color: #c7d3e6; line-height: 1.5; }
@media (max-width: 1100px) { .howto { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- 영상 업로드 테스트 */
.dropzone { border: 2px dashed var(--line2); border-radius: 10px; padding: 30px 16px; text-align: center; cursor: pointer; background: var(--card2); transition: border-color .15s, background .15s; }
.dropzone:hover { border-color: var(--accent2); background: #12203a; }
.dropzone.drag { border-color: var(--accent); background: rgba(20,184,166,.1); }
.dropzone .dz-ico { font-size: 30px; color: var(--accent); line-height: 1; }
.dropzone .dz-main { margin-top: 8px; font-size: 14px; color: #d7e2f1; }
.dropzone .dz-main b { color: var(--accent); }
.dropzone .dz-sub { margin-top: 4px; }
.up-prog { margin-top: 12px; height: 8px; background: #0a1120; border-radius: 999px; overflow: hidden; border: 1px solid var(--line); }
.up-bar { height: 100%; width: 0; background: var(--accent2); transition: width .1s linear; }
.up-msg { margin-top: 8px; min-height: 18px; }
.up-msg.err { color: #fca5a5; }
.up-list { overflow-x: auto; }
.up-actions { display: flex; gap: 6px; white-space: nowrap; }
.up-list .mono { font-family: Consolas, "Cascadia Mono", monospace; font-size: 12px; }