/* ═══════════════ AutoEditor Studio — Design System ═══════════════ */
@font-face{
  font-family:'CaptionFont';
  src:url('/static/fonts/caption.ttf') format('truetype');
  font-weight:100 900;font-display:swap;
}
:root{
  --bg-0:#0a0b10; --bg-1:#0f1118; --bg-2:#151824; --bg-3:#1c2030;
  --line:#262b3d; --line-soft:#1e2333;
  --txt-0:#eef1f8; --txt-1:#aab2c8; --txt-2:#6b7390;
  --acc:#7c6cff; --acc-2:#4dd6c1; --acc-grad:linear-gradient(135deg,#7c6cff 0%,#b45cff 60%,#ff5c9e 120%);
  --ok:#3ddc84; --warn:#ffb347; --err:#ff5c74;
  --r-sm:8px; --r-md:12px; --r-lg:16px;
  --shadow:0 8px 32px rgba(0,0,0,.45);
  --mono:'JetBrains Mono',monospace;
  --track-h:52px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:'Inter',system-ui,sans-serif;background:var(--bg-0);color:var(--txt-0);
  font-size:13px;overflow:hidden;-webkit-font-smoothing:antialiased;
}
#app-root{display:flex;flex-direction:column;height:100vh}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;color:var(--txt-0);background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-sm);padding:6px 9px;font-size:12.5px;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--acc)}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#2a3048;border-radius:6px;border:2px solid var(--bg-1)}
::-webkit-scrollbar-track{background:transparent}
.dim{color:var(--txt-2)}
.hidden{display:none!important}
.mini-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--txt-2);font-weight:600}

/* ═══ TOP BAR ═══ */
#topbar{
  display:flex;align-items:center;gap:18px;padding:0 16px;height:56px;flex:none;
  background:linear-gradient(180deg,#141726 0%,#0e1019 100%);border-bottom:1px solid var(--line);
  position:relative;z-index:30;
}
#topbar::after{content:'';position:absolute;left:0;right:0;top:0;height:2px;background:var(--acc-grad);opacity:.8}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--acc-grad);display:flex;align-items:center;justify-content:center;
  font-size:15px;color:#fff;box-shadow:0 4px 16px rgba(124,108,255,.4);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-weight:800;font-size:15px;letter-spacing:-.01em}
.brand-name em{font-style:normal;background:var(--acc-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-tag{font-size:10px;color:var(--txt-2);letter-spacing:.06em;text-transform:uppercase}
.topbar-center{display:flex;align-items:center;gap:14px;flex:1;min-width:0;justify-content:center}
#project-name{
  background:transparent;border:1px solid transparent;font-weight:600;font-size:13.5px;width:180px;text-align:center;
  transition:.15s;border-radius:var(--r-sm);
}
#project-name:hover{border-color:var(--line)} #project-name:focus{border-color:var(--acc);background:var(--bg-2)}
.preset-group{display:flex;gap:6px}
.preset-chip{
  display:flex;align-items:center;gap:6px;padding:5px 11px;border-radius:20px;font-size:11.5px;font-weight:600;
  background:var(--bg-2);border:1px solid var(--line);color:var(--txt-1);transition:.15s;
}
.preset-chip:hover{border-color:var(--acc);color:var(--txt-0);transform:translateY(-1px)}
.preset-chip i{font-size:11px;color:var(--acc)}
.topbar-actions{display:flex;gap:8px;flex:none}
.tb-btn{
  display:flex;align-items:center;gap:7px;padding:7px 13px;border-radius:var(--r-sm);font-size:12px;font-weight:600;
  background:var(--bg-2);border:1px solid var(--line);color:var(--txt-1);transition:.15s;
}
.tb-btn:hover{color:var(--txt-0);border-color:#3a415e;background:var(--bg-3)}
.tb-btn--accent{background:var(--acc-grad);border:none;color:#fff;box-shadow:0 4px 18px rgba(124,108,255,.35)}
.tb-btn--accent:hover{filter:brightness(1.12);color:#fff}
.tb-btn--sm{padding:5px 10px;font-size:11px}
.icon-btn{
  width:28px;height:28px;border-radius:7px;display:flex;align-items:center;justify-content:center;color:var(--txt-1);
  background:var(--bg-3);border:1px solid var(--line);transition:.15s;font-size:12px;
}
.icon-btn:hover{color:#fff;border-color:var(--acc)}

/* ═══ WORKSPACE ═══ */
#workspace{display:flex;flex:1;min-height:0}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px 10px;flex:none}
.panel-title{font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--txt-1);display:flex;align-items:center;gap:8px}
.panel-title i{color:var(--acc);font-size:12px}

/* ── media bin ── */
#media-bin{
  width:250px;flex:none;background:var(--bg-1);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;
}
#dropzone{
  margin:0 12px 10px;border:1.5px dashed #333a55;border-radius:var(--r-md);padding:20px 12px;text-align:center;
  transition:.2s;background:rgba(124,108,255,.03);flex:none;
}
#dropzone.dragover{border-color:var(--acc);background:rgba(124,108,255,.1)}
.dz-icon{font-size:26px;color:var(--acc);opacity:.85;margin-bottom:8px}
.dz-title{font-weight:700;font-size:13px}
.dz-sub{color:var(--txt-2);font-size:11px;line-height:1.5;margin:4px 0 10px}
.dz-btn{
  padding:6px 16px;border-radius:20px;background:var(--bg-3);border:1px solid var(--line);font-size:11.5px;font-weight:600;
  color:var(--txt-1);transition:.15s;
}
.dz-btn:hover{border-color:var(--acc);color:#fff}
#bin-list{flex:1;overflow-y:auto;padding:0 12px 12px;display:flex;flex-direction:column;gap:6px}
.bin-item{
  display:flex;align-items:center;gap:9px;padding:6px;border-radius:var(--r-sm);background:var(--bg-2);
  border:1px solid var(--line-soft);transition:.15s;cursor:grab;position:relative;
}
.bin-item:hover{border-color:#3a415e}
.bin-thumb{
  width:48px;height:32px;border-radius:5px;background:var(--bg-3);flex:none;object-fit:cover;display:flex;
  align-items:center;justify-content:center;color:var(--acc);font-size:14px;overflow:hidden;
}
.bin-thumb img{width:100%;height:100%;object-fit:cover}
.bin-meta{min-width:0;flex:1}
.bin-name{font-size:11.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bin-sub{font-size:10px;color:var(--txt-2);font-family:var(--mono)}
.bin-del{position:absolute;top:4px;right:4px;width:18px;height:18px;border-radius:5px;font-size:9px;color:var(--txt-2);opacity:0;transition:.15s;background:var(--bg-3)}
.bin-item:hover .bin-del{opacity:1}
.bin-del:hover{color:var(--err)}
.bin-kind{font-size:8.5px;font-weight:700;letter-spacing:.06em;padding:1px 5px;border-radius:4px;background:rgba(124,108,255,.15);color:#a99cff;text-transform:uppercase}
.bin-kind--audio{background:rgba(77,214,193,.13);color:var(--acc-2)}
.bin-kind--video{background:rgba(255,92,158,.13);color:#ff8fb8}
.bin-kind--srt{background:rgba(255,179,71,.13);color:var(--warn)}

/* ── center / preview ── */
#center-col{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg-0)}
#preview-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:22px;min-height:0;position:relative}
#preview-stage{
  position:relative;max-width:100%;max-height:100%;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;
  background:#000;box-shadow:var(--shadow);border:1px solid var(--line);
}
#preview-canvas{width:100%;height:100%;display:block}
#preview-empty{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  color:var(--txt-2);text-align:center;font-size:13px;line-height:1.6;
}
#preview-empty i{font-size:38px;opacity:.4}
#preview-empty span{font-size:11.5px;opacity:.7}
#caption-overlay{
  position:absolute;left:5%;right:5%;text-align:center;pointer-events:none;font-weight:800;
  text-shadow:0 2px 6px rgba(0,0,0,.85);line-height:1.3;white-space:pre-wrap;
}
#cta-overlay{position:absolute;pointer-events:none;font-weight:800;text-shadow:0 2px 8px rgba(0,0,0,.7)}
#logo-overlay{position:absolute;pointer-events:none;display:none}
#transport{
  display:flex;align-items:center;padding:10px 18px;gap:16px;flex:none;background:var(--bg-1);
  border-top:1px solid var(--line);
}
.transport-left,.transport-right{flex:1;display:flex;align-items:center;gap:8px}
.transport-right{justify-content:flex-end}
.transport-center{display:flex;align-items:center;gap:10px}
.time-code{font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.02em}
.time-sep{color:var(--txt-2)}
.t-btn{
  width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;
  color:var(--txt-1);background:var(--bg-3);border:1px solid var(--line);transition:.15s;
}
.t-btn:hover{color:#fff;border-color:var(--acc)}
.t-btn--play{width:42px;height:42px;background:var(--acc-grad);border:none;color:#fff;font-size:15px;box-shadow:0 4px 16px rgba(124,108,255,.4)}
#tl-zoom{width:110px;accent-color:var(--acc);padding:0;background:none;border:none}

/* ── inspector ── */
#inspector{width:300px;flex:none;background:var(--bg-1);border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.insp-tabs{display:flex;flex:none;border-bottom:1px solid var(--line)}
.insp-tab{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 2px 8px;font-size:9.5px;font-weight:600;
  color:var(--txt-2);border-bottom:2px solid transparent;transition:.15s;text-transform:uppercase;letter-spacing:.03em;
}
.insp-tab i{font-size:13px}
.insp-tab:hover{color:var(--txt-1)}
.insp-tab.active{color:var(--txt-0);border-bottom-color:var(--acc)}
.insp-tab.active i{color:var(--acc)}
.insp-body{flex:1;overflow-y:auto;padding:14px}
.insp-section{margin-bottom:18px}
.insp-sec-title{
  font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--acc);
  margin-bottom:10px;display:flex;align-items:center;gap:6px;padding-bottom:6px;border-bottom:1px solid var(--line-soft);
}
.ctl-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:9px}
.ctl-row>label{font-size:12px;color:var(--txt-1);flex:none}
.ctl-row select,.ctl-row input[type=text],.ctl-row input[type=number]{width:130px}
.ctl-row input[type=number].num-sm{width:64px}
.ctl-row input[type=color]{width:36px;height:26px;padding:2px;cursor:pointer}
.ctl-row-full{margin-bottom:9px}
.ctl-row-full>label{font-size:12px;color:var(--txt-1);display:block;margin-bottom:5px}
.ctl-row-full input[type=text],.ctl-row-full textarea{width:100%}
.slider-row{display:flex;align-items:center;gap:9px;margin-bottom:9px}
.slider-row>label{font-size:12px;color:var(--txt-1);width:82px;flex:none}
.slider-row input[type=range]{flex:1;accent-color:var(--acc);padding:0;background:none;border:none}
.slider-val{font-family:var(--mono);font-size:11px;color:var(--txt-1);width:42px;text-align:right;flex:none}
.switch-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px}
.switch-row>label{font-size:12px;color:var(--txt-1)}
.switch{position:relative;width:36px;height:20px;flex:none}
.switch input{opacity:0;width:100%;height:100%;position:absolute;cursor:pointer;z-index:2;margin:0}
.switch .knob{
  position:absolute;inset:0;border-radius:20px;background:var(--bg-3);border:1px solid var(--line);transition:.2s;
}
.switch .knob::after{
  content:'';position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:var(--txt-2);transition:.2s;
}
.switch input:checked + .knob{background:var(--acc);border-color:var(--acc)}
.switch input:checked + .knob::after{left:18px;background:#fff}
.seg-group{display:flex;background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden}
.seg{padding:5px 11px;font-size:11px;font-weight:600;color:var(--txt-2);transition:.15s}
.seg:hover{color:var(--txt-1)}
.seg.active{background:var(--acc);color:#fff}
.hint{font-size:10.5px;color:var(--txt-2);line-height:1.5;margin-top:4px}

/* ═══ TIMELINE ═══ */
#timeline-panel{flex:none;height:308px;background:var(--bg-1);border-top:1px solid var(--line);display:flex;flex-direction:column}
.tl-toolbar{display:flex;align-items:center;gap:18px;padding:8px 14px;border-bottom:1px solid var(--line-soft);flex:none}
.tl-timing-mode{display:flex;align-items:center;gap:10px;flex:1}
.fixed-secs{display:none;align-items:center;gap:5px;font-size:11px;color:var(--txt-2)}
.fixed-secs.visible{display:flex}
.fixed-secs input{width:58px;padding:4px 7px}
.tl-right{flex:none}
#timeline-scroll{flex:1;overflow:auto;position:relative}
#timeline-inner{position:relative;min-width:100%;padding-left:110px;min-height:100%}
#tl-ruler{
  height:26px;position:sticky;top:0;z-index:5;background:var(--bg-1);border-bottom:1px solid var(--line-soft);
  font-family:var(--mono);font-size:9.5px;color:var(--txt-2);cursor:pointer;position:relative;
}
.ruler-tick{position:absolute;bottom:0;width:1px;height:7px;background:#39405e}
.ruler-tick.major{height:12px;background:#4a527a}
.ruler-lab{position:absolute;bottom:9px;transform:translateX(3px)}
.tl-track{display:flex;height:var(--track-h);border-bottom:1px solid var(--line-soft);position:relative}
.tl-track-label{
  position:absolute;left:-110px;width:104px;height:100%;display:flex;align-items:center;gap:8px;padding-left:12px;
  font-size:11px;font-weight:600;color:var(--txt-1);background:var(--bg-1);z-index:4;
}
.tl-track-label i{color:var(--acc);font-size:11px;width:14px}
.tl-track-lane{flex:1;position:relative;background:repeating-linear-gradient(90deg,transparent 0,transparent 59px,rgba(255,255,255,.015) 59px,rgba(255,255,255,.015) 60px)}
.clip{
  position:absolute;top:5px;bottom:5px;border-radius:7px;overflow:hidden;cursor:pointer;border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;font-size:10px;font-weight:600;transition:box-shadow .15s;user-select:none;
}
.clip:hover{box-shadow:0 0 0 1.5px var(--acc)}
.clip.selected{box-shadow:0 0 0 2px var(--acc),0 4px 14px rgba(124,108,255,.35)}
.clip-img{background:linear-gradient(180deg,#3b3470,#2b2650)}
.clip-vid{background:linear-gradient(180deg,#6e2b52,#4c1e3a)}
.clip-voice{background:linear-gradient(180deg,#0e5c50,#0a4038)}
.clip-music{background:linear-gradient(180deg,#0e4a6e,#0a3450)}
.clip-cap{background:linear-gradient(180deg,#7a5b16,#54400f)}
.clip-ovl{background:linear-gradient(180deg,#5b3f8f,#402a68)}
.clip-thumb{height:100%;aspect-ratio:16/10;object-fit:cover;flex:none;opacity:.9}
.clip-label{padding:0 7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:rgba(255,255,255,.92);text-shadow:0 1px 2px rgba(0,0,0,.5)}
.clip-handle{position:absolute;top:0;bottom:0;width:7px;cursor:ew-resize;z-index:3}
.clip-handle--r{right:0}
.clip-handle--r::after{content:'';position:absolute;right:2px;top:30%;bottom:30%;width:2px;border-radius:2px;background:rgba(255,255,255,.4)}
.clip-wave{position:absolute;inset:0;opacity:.5;pointer-events:none}
#playhead{
  position:absolute;top:0;bottom:0;width:1.5px;background:#ff5c74;z-index:8;pointer-events:none;left:110px;
}
.playhead-cap{
  position:absolute;top:0;left:-5.5px;width:12px;height:14px;background:#ff5c74;
  clip-path:polygon(0 0,100% 0,100% 55%,50% 100%,0 55%);pointer-events:auto;cursor:ew-resize;
}
.lane-empty-hint{position:absolute;inset:0;display:flex;align-items:center;padding-left:14px;font-size:10.5px;color:var(--txt-2);opacity:.55;pointer-events:none}

/* ═══ MODALS ═══ */
.modal{
  position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
  background:rgba(5,6,10,.72);backdrop-filter:blur(6px);
}
.modal-card{
  width:480px;max-width:92vw;max-height:86vh;overflow:auto;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:18px;box-shadow:var(--shadow);
}
.modal-card--wide{width:640px}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.render-status-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.render-stage{font-size:13px;font-weight:600}
.render-pct{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--acc)}
.progress-track{height:8px;border-radius:6px;background:var(--bg-3);overflow:hidden;margin-bottom:12px}
.progress-fill{height:100%;width:0%;background:var(--acc-grad);border-radius:6px;transition:width .3s}
.log-console{
  height:200px;overflow-y:auto;background:#07080d;border:1px solid var(--line-soft);border-radius:var(--r-sm);
  padding:10px;font-family:var(--mono);font-size:10px;line-height:1.55;color:#8f97b5;white-space:pre-wrap;word-break:break-all;
}
.modal-actions{display:flex;align-items:center;justify-content:space-between;margin-top:14px;gap:10px}
.render-results{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.dl-btn{
  display:flex;align-items:center;gap:7px;padding:7px 13px;border-radius:var(--r-sm);font-size:12px;font-weight:700;
  background:var(--ok);color:#052;transition:.15s;text-decoration:none;
}
.dl-btn:hover{filter:brightness(1.1)}
.dl-btn--alt{background:var(--bg-3);color:var(--txt-0);border:1px solid var(--line)}

/* validation list */
.v-item{display:flex;gap:10px;padding:9px 11px;border-radius:var(--r-sm);margin-bottom:7px;font-size:12px;align-items:flex-start;line-height:1.45}
.v-item i{margin-top:2px}
.v-ok{background:rgba(61,220,132,.08);color:#9fe8c4}.v-ok i{color:var(--ok)}
.v-warn{background:rgba(255,179,71,.08);color:#ffd9a3}.v-warn i{color:var(--warn)}
.v-err{background:rgba(255,92,116,.08);color:#ffb3c0}.v-err i{color:var(--err)}

/* toasts */
#toast-stack{position:fixed;bottom:20px;right:20px;z-index:200;display:flex;flex-direction:column;gap:8px}
.toast{
  padding:11px 16px;border-radius:var(--r-md);background:var(--bg-2);border:1px solid var(--line);font-size:12.5px;
  box-shadow:var(--shadow);display:flex;align-items:center;gap:9px;animation:toast-in .25s ease;max-width:340px;
}
.toast.ok i{color:var(--ok)}.toast.warn i{color:var(--warn)}.toast.err i{color:var(--err)}
@keyframes toast-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

@media (max-width:1100px){
  #inspector{width:260px}
  #media-bin{width:210px}
  .preset-group{display:none}
}

/* desktop agent badge */
.agent-badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  font-size:11.5px;font-weight:800;letter-spacing:.02em;
  background:linear-gradient(135deg,rgba(61,220,132,.16),rgba(61,220,132,.06));
  color:var(--ok);border:1px solid rgba(61,220,132,.35);
  animation:agent-pulse 2.4s ease-in-out infinite;white-space:nowrap;
}
.agent-badge i{font-size:10.5px}
@keyframes agent-pulse{0%,100%{box-shadow:0 0 0 0 rgba(61,220,132,.25)}50%{box-shadow:0 0 0 5px rgba(61,220,132,0)}}