/* ── Seif Portfolio Design System — CSS Variables ──────────────── */
:root {
    --color-bg:          #f6f4ee;
    --color-text:        #1a1916;
    --color-text-sec:    #857f74;
    --color-accent:      #2563eb;
    --color-accent-dark: #1d4ed8;
    --color-surface:     #e8e2d8;
    --color-highlight:   #ffec99;
    --color-border:      rgba(26,25,22,0.32);
    --color-border-lt:   rgba(26,25,22,0.14);
    --shadow-card:       4px 4px 0 var(--color-text);
    --shadow-hover:      6px 6px 0 var(--color-accent);
    --font:              'Inter Tight', -apple-system, system-ui, sans-serif;
    --font-hand:         'Kalam', cursive;
    --font-script:       'Caveat', cursive;
    --font-mono:         'JetBrains Mono', monospace;
    --paper-texture:     url('paper-bg.png');
    --radius-btn:        8px;
    --radius-badge:      14px;
    --radius-card:       14px;
    --radius-lg:         18px;
    --radius-circle:     50%;
}

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

/* ── Body ──────────────────────────────────────────────────────── */
body {
    background:
        radial-gradient(circle at 20% 10%, rgba(255,236,153,0.16), transparent 28%),
        radial-gradient(circle at 80% 18%, rgba(37,99,235,0.06), transparent 24%),
        var(--color-bg) var(--paper-texture) repeat;
    background-size: auto, auto, 1100px auto;
    color: var(--color-text);
    font-family: var(--font);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    user-select: none;
}
body::after {
    content:'';
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:9999;
    opacity:0.025;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}
body.bg-checker {
    background-image:
        linear-gradient(45deg, rgba(26,25,22,0.05) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(26,25,22,0.05) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(26,25,22,0.05) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(26,25,22,0.05) 75%),
        radial-gradient(circle at 20% 10%, rgba(255,236,153,0.16), transparent 28%),
        radial-gradient(circle at 80% 18%, rgba(37,99,235,0.06), transparent 24%),
        var(--paper-texture);
    background-size: 24px 24px, 24px 24px, 24px 24px, 24px 24px, auto, auto, 1100px auto;
    background-position: 0 0, 0 12px, 12px -12px, -12px 0, 0 0, 0 0, 0 0;
    background-color: var(--color-bg);
}

#canvas-container { position:fixed; inset:0; }
canvas { display:block; }

/* ── 9:16 Reels overlay ─────────────────────────────────────────── */
#reels-overlay { display:none; position:fixed; inset:0; z-index:5; pointer-events:none; }
.reels-toggle-row { display:flex; align-items:center; gap:8px; margin-top:8px; }
.reels-toggle-btn {
    padding:5px 12px;
    background: var(--color-surface);
    border: none;
    border-radius: var(--radius-btn);
    color: var(--color-text);
    font-size:10px; font-weight:700; font-family: var(--font);
    cursor:pointer; letter-spacing:.3px; transition:all .14s;
}
.reels-toggle-btn:hover { background:var(--color-surface); }
.reels-toggle-btn.on {
    background: var(--color-accent);
    color: #ffffff;
}

/* ── Drop overlay ───────────────────────────────────────────────── */
#drop-overlay {
    position:fixed; inset:0;
    display:flex; flex-direction:column;
    align-items:center; justify-content:center;
    background: var(--color-bg);
    z-index:100; transition:background .2s;
}
#drop-overlay.drag-over {
    background: #fff8d9;
    outline: 2px dashed var(--color-accent);
    outline-offset: -12px;
}
.drop-icon { font-size:54px; margin-bottom:16px; opacity:.35; }
.drop-title {
    font-size:28px; font-weight:700;
    color: var(--color-text);
    letter-spacing: -0.44px;
    margin-bottom:8px;
}
.drop-sub { font-size:14px; color: var(--color-text-sec); margin-bottom:26px; }
.fmt-row { display:flex; gap:10px; margin-bottom:26px; }
.fmt {
    padding:5px 14px;
    background: var(--color-surface);
    border: none;
    border-radius: var(--radius-badge);
    font-size:12px; font-weight:700;
    color: var(--color-text-sec);
    letter-spacing:1.5px;
}
.browse-btn {
    padding:11px 30px;
    background: var(--color-accent);
    color: #ffffff;
    border-radius: var(--radius-btn);
    font-size:14px; font-weight:600;
    cursor:pointer; border:none;
    font-family: var(--font);
    transition: background .15s;
}
.browse-btn:hover { background: var(--color-accent-dark); }
#file-input {
    position:absolute;
    width:1px;
    height:1px;
    opacity:0;
    pointer-events:none;
}

/* ── Top bar ────────────────────────────────────────────────────── */
#topbar {
    position:fixed; top:0; left:0; right:0; height:56px;
    background: var(--color-bg);
    box-shadow: rgba(0,0,0,0.08) 0px 1px 0px;
    display:flex; align-items:center;
    padding:0 14px; gap:7px; z-index:50;
}
.logo { font-size:14px; font-weight:700; color: var(--color-text); }
.logo span { color: var(--color-accent); }
#model-name {
    font-size:12px; color: var(--color-text-sec);
    overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
    max-width:180px; margin-left:6px;
}
.spacer { flex:1; }
.top-btn {
    padding:4px 11px;
    background: var(--color-surface);
    border: none;
    border-radius: var(--radius-btn);
    color: var(--color-text);
    font-size:11px; font-weight:500; font-family: var(--font);
    cursor:pointer; transition:all .15s;
}
.top-btn:hover { background:var(--color-surface); }
#cinematic-btn,
#lighting-btn,
#panel-btn {
    padding:4px 13px;
    background: var(--color-bg);
    border: 1px solid rgba(0,0,0,0.12);
    border-radius: var(--radius-btn);
    color: var(--color-text);
    font-size:11px; font-weight:600; font-family: var(--font);
    cursor:pointer; transition:all .15s;
}
#cinematic-btn:hover, #lighting-btn:hover, #panel-btn:hover { background: var(--color-surface); }
#cinematic-btn.on, #lighting-btn.on, #panel-btn.on { border-color: var(--color-accent); color: var(--color-accent); }

/* ── Keyframe strip ─────────────────────────────────────────────── */
#kf-strip {
    position:fixed; bottom:78px; left:50%;
    transform:translateX(-50%);
    display:none; align-items:center; gap:8px;
    background: var(--color-bg);
    box-shadow: var(--shadow-card);
    border-radius: var(--radius-card);
    padding:8px 12px; z-index:50;
    max-width:calc(100vw - 40px);
}
#kf-strip.show { display:flex; }

.kf-label {
    font-size:10px; font-weight:700;
    color: var(--color-text-sec);
    letter-spacing:0.5px; text-transform:uppercase;
    white-space:nowrap;
}

#kf-frames {
    display:flex; align-items:center; gap:6px;
    overflow-x:auto; max-width:480px;
    scrollbar-width:thin; scrollbar-color: #d5d5d5 transparent;
    padding-bottom:2px;
}
#kf-frames::-webkit-scrollbar { height:3px; }
#kf-frames::-webkit-scrollbar-thumb { background:#d5d5d5; border-radius:2px; }

.kf-frame {
    position:relative; flex-shrink:0;
    width:64px; height:44px;
    border-radius: var(--radius-btn);
    overflow:hidden;
    border:2px solid rgba(0,0,0,0.10);
    cursor:pointer; transition:border-color .15s;
    background: var(--color-surface);
}
.kf-frame:hover { border-color: rgba(37,99,235,0.4); }
.kf-frame.active { border-color: var(--color-accent); }
.kf-frame img { width:100%; height:100%; object-fit:cover; }
.kf-num {
    position:absolute; top:3px; left:4px;
    font-size:9px; font-weight:700; color:#fff;
    text-shadow:0 1px 3px rgba(0,0,0,.5);
}
.kf-del {
    position:absolute; top:2px; right:2px;
    width:14px; height:14px; border-radius:3px;
    background: rgba(37,99,235,0.8); color:#fff;
    font-size:9px; line-height:14px; text-align:center;
    display:none; cursor:pointer;
}
.kf-frame:hover .kf-del { display:block; }

.kf-btn {
    display:flex; align-items:center; gap:5px;
    padding:6px 11px;
    background: var(--color-surface);
    border: none;
    border-radius: var(--radius-btn);
    color: var(--color-text);
    font-size:11px; font-weight:600; font-family: var(--font);
    cursor:pointer; white-space:nowrap; transition:all .15s; flex-shrink:0;
}
.kf-btn:hover { background:var(--color-surface); }
.kf-btn.on { background: var(--color-accent); color: #ffffff; border:none; }

.kf-div { width:1px; height:26px; background: var(--color-border); flex-shrink:0; }

.path-dur-row { display:flex; align-items:center; gap:6px; flex-shrink:0; }
.path-dur-row span { font-size:10px; color: var(--color-text-sec); white-space:nowrap; }
.path-dur-row input { width:70px; accent-color: var(--color-accent); }

/* ── Bottom controls ────────────────────────────────────────────── */
#controls {
    position:fixed; bottom:18px; left:50%; transform:translateX(-50%);
    display:flex; align-items:center; gap:6px;
    background: var(--color-bg);
    box-shadow: var(--shadow-card);
    border-radius: var(--radius-lg);
    padding:8px 14px; z-index:50;
}
.c-div { width:1px; height:26px; background: var(--color-border); margin:0 2px; }
.c-btn {
    display:flex; align-items:center; gap:5px;
    padding:6px 11px;
    background: var(--color-surface);
    border: none;
    border-radius: var(--radius-btn);
    color: var(--color-text);
    font-size:12px; font-weight:500; font-family: var(--font);
    cursor:pointer; transition:all .15s; white-space:nowrap;
}
.c-btn:hover { background:var(--color-surface); }
.c-btn.on { background: var(--color-accent); color: #ffffff; }
.c-btn svg { width:13px; height:13px; flex-shrink:0; }

.bg-picker { position:relative; }
.bg-dropdown {
    display:none;
    position:absolute;
    bottom:calc(100% + 6px);
    left:50%; transform:translateX(-50%);
    background:var(--color-bg);
    border:1.5px solid var(--color-border);
    border-radius:var(--radius-card);
    box-shadow:4px 4px 0 var(--color-text);
    padding:5px;
    flex-direction:column;
    gap:3px;
    min-width:90px;
    z-index:200;
}
.bg-dropdown.open { display:flex; }
.bg-opt {
    display:block; width:100%;
    padding:6px 12px;
    background:transparent;
    border:none;
    border-radius:var(--radius-btn);
    color:var(--color-text);
    font-size:12px; font-weight:500; font-family:var(--font);
    cursor:pointer; text-align:left; transition:background .12s;
}
.bg-opt:hover { background:var(--color-surface); }
.bg-opt.on { background:var(--color-accent); color:#fff; }
#bg-main-btn.on { background:var(--color-accent); color:#fff; }

#rec-btn {
    display:flex;
    align-items:center;
    gap:7px;
    padding:7px 18px;
    background:var(--color-text);
    border:none;
    border-radius:var(--radius-btn);
    color:var(--color-bg);
    font-family:var(--font);
    font-size:13px;
    font-weight:600;
    cursor:pointer;
    white-space:nowrap;
    transition:all .15s;
    box-shadow:4px 4px 0 var(--color-accent);
}
#rec-btn:hover {
    background:var(--color-bg);
    color:var(--color-text);
}
#rec-btn.rec {
    background:var(--color-accent);
    color:#fff8e9;
    animation:rec-pulse 1.6s ease-in-out infinite;
}
.rec-dot {
    width:8px;
    height:8px;
    border-radius:50%;
    background:currentColor;
}
#rec-btn.rec .rec-dot {
    animation:blink 1s step-end infinite;
}

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
#rec-timer {
    font-size:13px; font-weight:700;
    color: var(--color-accent);
    min-width:52px; display:none;
    font-variant-numeric:tabular-nums;
}
#rec-timer.show { display:block; }

/* ── Side panel ─────────────────────────────────────────────────── */
#panel {
    position:fixed; right:14px; top:68px; width:216px;
    background: var(--color-bg);
    box-shadow: var(--shadow-card);
    border-radius: var(--radius-card);
    padding:14px; z-index:50; display:none;
    max-height:calc(100vh - 150px); overflow-y:auto;
    scrollbar-width:thin; scrollbar-color:#d5d5d5 transparent;
}
#panel.show { display:block; }
#panel::-webkit-scrollbar { width:3px; }
#panel::-webkit-scrollbar-thumb { background:#d5d5d5; border-radius:2px; }

.p-sec {
    margin-bottom:14px; padding-bottom:14px;
    border-bottom: 1px solid var(--color-border-lt);
}
.p-sec:last-child { margin-bottom:0; padding-bottom:0; border-bottom:none; }
.p-lbl-head {
    font-size:11px; font-weight:700;
    color: var(--color-text);
    letter-spacing:0.5px; text-transform:uppercase;
    margin-bottom:9px;
}
.p-row { display:flex; align-items:center; gap:8px; margin-bottom:7px; }
.p-row:last-child { margin-bottom:0; }
.p-lbl { font-size:13px; font-weight:500; color: var(--color-text-sec); min-width:56px; }
input[type="range"] { flex:1; height:3px; accent-color: var(--color-accent); cursor:pointer; }
.p-val { font-size:13px; font-weight:600; color: var(--color-text); min-width:28px; text-align:right; }

.swatch-row { display:flex; gap:6px; flex-wrap:wrap; }
.swatch {
    width:22px; height:22px; border-radius:5px;
    cursor:pointer; border:2px solid transparent;
    transition:border-color .15s;
}
.swatch.sel { border-color: var(--color-accent); }

.anim-list { display:flex; flex-direction:column; gap:4px; }
.anim-item {
    display:flex; align-items:center; gap:7px;
    padding:5px 9px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-lt);
    border-radius: var(--radius-btn);
    color: var(--color-text-sec);
    font-size:11px; cursor:pointer; transition:all .15s;
}
.anim-item:hover { box-shadow: var(--shadow-hover); }
.anim-item.playing {
    background: rgba(37,99,235,0.06);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.fps-row { display:flex; gap:5px; }
.fps-btn {
    flex:1; padding:5px 0;
    background: var(--color-surface);
    border: none;
    border-radius: var(--radius-btn);
    color: var(--color-text);
    font-size:11px; font-weight:600; font-family: var(--font);
    cursor:pointer; text-align:center; transition:all .15s;
}
.fps-btn:hover { background:var(--color-surface); }
.fps-btn.sel { background: var(--color-accent); color: #ffffff; }

/* ── Light list ─────────────────────────────────────────────────── */
.add-light-row { display:flex; gap:5px; margin-bottom:10px; }
.add-l-btn {
    flex:1; padding:6px 4px; text-align:center;
    background: var(--color-surface);
    border: none;
    border-radius: var(--radius-btn);
    color: var(--color-text);
    font-size:10px; font-weight:600; font-family: var(--font);
    cursor:pointer; transition:all .15s;
}
.add-l-btn:hover { background:var(--color-surface); }

.light-list { display:flex; flex-direction:column; gap:4px; }
.light-item {
    display:flex; align-items:center; gap:7px;
    padding:6px 9px;
    background: rgba(0,0,0,0.04);
    border: 1px solid var(--color-border-lt);
    border-radius: var(--radius-btn);
    cursor:pointer; transition:all .15s;
}
.light-item:hover { box-shadow: var(--shadow-card); }
.light-item.sel {
    background: rgba(37,99,235,0.06);
    border-color: var(--color-accent);
}
.light-dot { width:10px; height:10px; border-radius:50%; flex-shrink:0; }
.light-item-name {
    font-size:12px; font-weight:500;
    color: var(--color-text-sec);
    flex:1;
}
.light-item.sel .light-item-name { color: var(--color-accent); }
.light-del-btn {
    width:16px; height:16px; border-radius:3px;
    background:transparent; color: var(--color-accent);
    font-size:10px; line-height:16px; text-align:center; cursor:pointer;
    display:none; flex-shrink:0; border:none;
}
.light-item:hover .light-del-btn { display:block; }

/* ── Cinematic presets panel ─────────────────────────────────────── */
#cinematic-panel {
    position:fixed; right:14px; top:68px; width:248px;
    background: var(--color-bg);
    box-shadow: var(--shadow-card);
    border-radius: var(--radius-card);
    padding:14px; z-index:55; display:none;
}
#cinematic-panel.show { display:block; }
.preset-grid { display:grid; grid-template-columns:1fr 1fr; gap:7px; margin-top:10px; }
.preset-card {
    display:flex; flex-direction:column; align-items:center; gap:5px;
    padding:10px 6px;
    background: var(--color-bg);
    box-shadow: var(--shadow-card);
    border-radius: var(--radius-badge);
    cursor:pointer; transition:all .15s; text-align:center;
}
.preset-card:hover { box-shadow: var(--shadow-hover); transform:translateY(-2px); }
.preset-card:active { transform:scale(.96); }
.preset-icon { font-size:22px; line-height:1; }
.preset-name { font-size:12px; font-weight:600; color: var(--color-text); }
.preset-desc { font-size:9px; color: var(--color-text-sec); line-height:1.3; }
.preset-dur  { font-size:11px; font-weight:500; color: var(--color-accent); margin-top:1px; }
.cinematic-hint {
    font-size:10px; color: var(--color-text-sec);
    margin-top:10px; line-height:1.4; text-align:center;
}

/* ── Lighting panel ─────────────────────────────────────────────── */
#lighting-panel {
    position:fixed; right:14px; top:68px; width:260px;
    max-height:82vh; overflow-y:auto;
    background: var(--color-bg);
    box-shadow: var(--shadow-card);
    border-radius: var(--radius-card);
    padding:14px; z-index:55; display:none;
    scrollbar-width:thin; scrollbar-color:#d5d5d5 transparent;
}
#lighting-panel.show { display:block; }
#lighting-panel::-webkit-scrollbar { width:3px; }
#lighting-panel::-webkit-scrollbar-thumb { background:#d5d5d5; border-radius:2px; }
.lp-section-lbl {
    font-size:11px; font-weight:700; letter-spacing:0.5px;
    color: var(--color-text-sec);
    text-transform:uppercase; margin:10px 0 6px;
}
.lp-section-lbl:first-child { margin-top:0; }
.lp-grid { display:grid; grid-template-columns:1fr 1fr; gap:6px; margin-bottom:4px; }
.lp-card {
    display:flex; flex-direction:column; align-items:center; gap:3px;
    padding:9px 4px 7px;
    background: var(--color-bg);
    box-shadow: var(--shadow-card);
    border-radius: var(--radius-badge);
    cursor:pointer; transition:all .14s; text-align:center;
}
.lp-card:hover { box-shadow: var(--shadow-hover); transform:translateY(-2px); }
.lp-card.active {
    border: 1px solid var(--color-accent);
    background: rgba(37,99,235,0.04);
}
.lp-card:active { transform:scale(.96); }
.lp-icon { font-size:20px; line-height:1; }
.lp-name { font-size:12px; font-weight:600; color: var(--color-text); }
.lp-desc { font-size:8px; color: var(--color-text-sec); line-height:1.3; }
.lp-dots { display:flex; gap:3px; margin-top:3px; justify-content:center; }
.lp-dot { width:6px; height:6px; border-radius:50%; }
.lp-hint { font-size:9px; color: var(--color-text-sec); text-align:center; margin-top:8px; line-height:1.4; }

/* ── Flying Intro cards ──────────────────────────────────────────── */
.flyby-section { margin-bottom:12px; }
.flyby-badge {
    font-size:9px; font-weight:700; letter-spacing:1.5px;
    color: var(--color-accent);
    text-transform:uppercase; margin-bottom:6px;
}
.flyby-cards { display:grid; grid-template-columns:repeat(3,1fr); gap:6px; }
.flyby-card {
    display:flex; flex-direction:column; align-items:center; gap:3px;
    padding:9px 4px 7px;
    background: var(--color-bg);
    box-shadow: var(--shadow-card);
    border-radius: var(--radius-badge);
    cursor:pointer; transition:all .15s; text-align:center;
    border: 1px solid transparent;
}
.flyby-card:hover {
    background: rgba(37,99,235,0.04);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}
.flyby-card:active { transform:scale(.96); }
.flyby-card-icon { font-size:20px; line-height:1; margin-bottom:1px; }
.flyby-card-name { font-size:12px; font-weight:600; color: var(--color-text); }
.flyby-card-desc { font-size:8px; color: var(--color-text-sec); line-height:1.3; }
.flyby-card-foot { display:flex; align-items:center; justify-content:center; margin-top:4px; }
.flyby-card-dur { font-size:9px; color: var(--color-accent); font-weight:600; }

/* ── Resolution & export ────────────────────────────────────────── */
.res-row { display:flex; gap:4px; margin-bottom:9px; }
.res-btn {
    flex:1; padding:5px 0;
    background: var(--color-surface);
    border: none;
    border-radius: var(--radius-btn);
    color: var(--color-text);
    font-size:10px; font-weight:700; font-family: var(--font);
    cursor:pointer; text-align:center; transition:all .15s;
}
.res-btn:hover { background:var(--color-surface); }
.res-btn.sel { background: var(--color-accent); color: #ffffff; }
.res-note { font-size:11px; color: var(--color-text-sec); margin-top:5px; line-height:1.4; }

/* ── Selected light controls ────────────────────────────────────── */
#light-controls {
    position:fixed; right:244px; top:68px; width:200px;
    background: var(--color-bg);
    box-shadow: var(--shadow-card);
    border-radius: var(--radius-card);
    padding:14px; z-index:50; display:none;
}
#light-controls.show { display:block; }
#light-controls .p-lbl-head { margin-bottom:12px; }

.transform-btns { display:flex; gap:5px; margin-bottom:10px; }
.xform-btn {
    flex:1; padding:5px 4px; text-align:center;
    background: var(--color-surface);
    border: none;
    border-radius: var(--radius-btn);
    color: var(--color-text);
    font-size:11px; font-weight:600; font-family: var(--font);
    cursor:pointer; transition:all .15s;
}
.xform-btn:hover { background:var(--color-surface); }
.xform-btn.on { background: var(--color-accent); color: #ffffff; }

.color-row { display:flex; align-items:center; gap:8px; margin-bottom:7px; }
.color-row span { font-size:11px; font-weight:500; color: var(--color-text-sec); }
input[type="color"] { width:32px; height:22px; border:none; background:none; cursor:pointer; border-radius:4px; overflow:hidden; }

.del-light-btn {
    width:100%; padding:7px; margin-top:8px;
    background: rgba(37,99,235,0.08);
    border: 1px solid rgba(37,99,235,0.15);
    border-radius: var(--radius-btn);
    color: var(--color-accent);
    font-size:11px; font-weight:600; font-family: var(--font);
    cursor:pointer; transition:all .15s;
}
.del-light-btn:hover { background: rgba(37,99,235,0.16); }

/* ── Loading & toast ────────────────────────────────────────────── */
#loading {
    position:fixed; top:50%; left:50%; transform:translate(-50%,-50%);
    display:none; flex-direction:column; align-items:center; gap:12px; z-index:150;
}
#loading.show { display:flex; }
.spinner {
    width:38px; height:38px;
    border:3px solid rgba(37,99,235,0.18);
    border-top-color: var(--color-accent);
    border-radius:50%;
    animation:spin .75s linear infinite;
}
@keyframes spin { to{transform:rotate(360deg)} }
.load-txt { font-size:13px; color: var(--color-text-sec); }

#toast {
    position:fixed; top:68px; left:50%;
    transform:translateX(-50%) translateY(-6px);
    background: var(--color-bg);
    box-shadow: var(--shadow-card);
    border-radius:12px;
    padding:9px 16px; font-size:14px; font-weight:500;
    color: var(--color-text);
    z-index:200; opacity:0; transition:all .25s; pointer-events:none;
}
#toast.show { opacity:1; transform:translateX(-50%) translateY(0); }

/* ── Icon SVGs ──────────────────────────────────────────────── */
.ico { display:inline-block; vertical-align:middle; flex-shrink:0; }
.ico svg { display:block; }
.btn-icon { display:flex; align-items:center; gap:6px; }

/* ── Portfolio fingerprint overrides ───────────────────────────── */
button, input, .top-btn, .c-btn, .bg-btn, .kf-btn, .res-btn, .fps-btn,
.add-l-btn, .xform-btn, .reels-toggle-btn {
    font-family: var(--font);
}

#topbar {
    height:64px;
    background:
        linear-gradient(rgba(246,244,238,0.84), rgba(246,244,238,0.84)),
        radial-gradient(circle at 28% 10%, rgba(255,236,153,0.28), transparent 28%),
        radial-gradient(circle at 74% 30%, rgba(37,99,235,0.08), transparent 30%),
        var(--paper-texture) repeat;
    background-size:auto, auto, auto, 1100px auto;
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    border-bottom: 1.5px solid var(--color-text);
    box-shadow: 0 4px 0 var(--color-text);
    padding:0 22px;
    overflow:hidden;
}
#topbar > :not(.header-stickers) {
    position:relative;
    z-index:2;
}
.logo {
    display:inline-flex;
    align-items:baseline;
    gap:8px;
    font-family: var(--font-hand);
    font-size:24px;
    font-weight:700;
    letter-spacing:0.01em;
}
.logo::before {
    content:'';
    width:18px;
    height:2px;
    margin-bottom:5px;
    background:var(--color-text);
    display:inline-block;
}
.logo span { color: var(--color-accent); font-style:italic; }
.header-stickers {
    position:absolute;
    inset:0;
    z-index:1;
    pointer-events:none;
    overflow:hidden;
}
.header-sticker {
    position:absolute;
    top:50%;
    display:grid;
    place-items:center;
    width:64px;
    height:64px;
    opacity:.95;
    animation:headerStickerFloat 6s ease-in-out infinite;
    transform:translateY(-50%) rotate(var(--r, 0deg));
}
.header-sticker img {
    width:100%;
    height:100%;
    object-fit:contain;
    filter:drop-shadow(4px 5px 0 rgba(20,20,18,0.12));
}
.header-sticker.s1 { left:30%; --r:-7deg; animation-delay:0s; }
.header-sticker.s2 { left:40%; --r:5deg;  width:58px; height:58px; animation-delay:-1.2s; }
.header-sticker.s3 { left:50%; --r:-3deg; width:60px; height:60px; animation-delay:-2.4s; }
.header-sticker.s4 { left:60%; --r:7deg;  width:56px; height:56px; animation-delay:-3.1s; }
.header-sticker.s5 { left:70%; --r:-5deg; width:62px; height:62px; animation-delay:-4s; }
.header-sticker.s6 { left:80%; --r:4deg;  width:58px; height:58px; animation-delay:-5s; }
@keyframes headerStickerFloat {
    0%,100% { transform:translateY(-50%) translateX(0) rotate(var(--r, 0deg)); }
    50% { transform:translateY(calc(-50% - 10px)) translateX(8px) rotate(calc(var(--r, 0deg) + 4deg)); }
}
#model-name, .p-lbl, .color-row span, .path-dur-row span,
.preset-desc, .lp-desc, .lp-hint, .flyby-card-desc,
.res-note, .cinematic-hint, .load-txt {
    color: var(--color-text-sec);
}

#drop-overlay {
    background: var(--color-bg) var(--paper-texture) repeat;
    background-size:1100px auto;
    isolation:isolate;
}
#drop-overlay::before {
    content:'SS';
    position:absolute;
    inset:auto auto 50% 50%;
    transform:translate(-50%, 50%) rotate(-4deg);
    font-family:var(--font-script);
    font-size:min(46vw, 520px);
    font-weight:700;
    line-height:0.8;
    color:var(--color-text);
    opacity:0.045;
    z-index:0;
    pointer-events:none;
}
#drop-overlay::after {
    content:'Seif Studio';
    position:absolute;
    right:clamp(24px, 8vw, 120px);
    bottom:clamp(34px, 8vh, 96px);
    font-family:var(--font-script);
    font-size:26px;
    color:var(--color-text-sec);
    transform:rotate(-5deg);
    z-index:0;
    pointer-events:none;
}
#drop-overlay.drag-over {
    background: #fff8d9;
    outline: 3px dashed var(--color-accent);
    outline-offset: -18px;
}
.drop-icon {
    display:grid;
    place-items:center;
    width:86px;
    height:86px;
    margin-bottom:18px;
    opacity:1;
    color:var(--color-accent);
    background:var(--color-bg);
    border:3px solid var(--color-text);
    border-radius:22px;
    box-shadow:8px 8px 0 var(--color-text);
    transform:rotate(-4deg);
}
.drop-content {
    position:absolute;
    left:50%;
    top:50%;
    transform:translate(-50%, -50%);
    z-index:3;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    width:min(760px, calc(100vw - 48px));
    text-align:center;
}
.drop-title {
    font-family:var(--font-script);
    font-size:56px;
    line-height:0.95;
    letter-spacing:0;
    margin-bottom:10px;
}
.drop-sticker {
    position:absolute;
    pointer-events:none;
    z-index:2;
    opacity:.96;
    filter:drop-shadow(6px 8px 0 rgba(20,20,18,0.10));
    animation:landingStickerFloat 6s ease-in-out infinite;
}
.drop-sticker img {
    width:100%;
    height:100%;
    object-fit:contain;
}
.drop-profile {
    position:absolute;
    top:clamp(28px, 5vh, 58px);
    left:clamp(24px, 4vw, 72px);
    z-index:4;
    display:flex;
    align-items:center;
    gap:14px;
    width:min(360px, calc(100vw - 48px));
    padding:12px 14px 12px 12px;
    background:rgba(246,244,238,0.86);
    border:2px solid var(--color-text);
    border-radius:24px;
    box-shadow:6px 6px 0 var(--color-text);
    backdrop-filter:blur(12px) saturate(130%);
    -webkit-backdrop-filter:blur(12px) saturate(130%);
}
.drop-avatar-link {
    flex:0 0 auto;
    width:82px;
    height:82px;
    padding:3px;
    border-radius:50%;
    background:linear-gradient(135deg,#feda75,#fa7e1e,#d62976,#962fbf,#4f5bd5);
    box-shadow:3px 4px 0 rgba(26,25,22,0.18);
}
.drop-avatar-link img {
    width:100%;
    height:100%;
    display:block;
    object-fit:cover;
    object-position:center top;
    border-radius:50%;
    border:3px solid var(--color-bg);
    background:var(--color-bg);
}
.drop-profile-copy {
    min-width:0;
    display:flex;
    flex-direction:column;
    gap:6px;
}
.drop-profile-kicker {
    font-family:var(--font-mono);
    font-size:10px;
    letter-spacing:.08em;
    text-transform:uppercase;
    color:var(--color-accent);
    font-weight:700;
}
.drop-profile-name {
    font-family:var(--font-hand);
    font-size:22px;
    line-height:1.05;
    font-weight:700;
    color:var(--color-text);
}
.drop-profile-links {
    display:flex;
    gap:8px;
    flex-wrap:wrap;
}
.drop-profile-links a {
    display:inline-flex;
    align-items:center;
    min-height:28px;
    padding:5px 10px;
    border:1.5px solid var(--color-text);
    border-radius:999px;
    background:var(--color-bg);
    box-shadow:2px 2px 0 var(--color-text);
    color:var(--color-text);
    font-size:11px;
    font-weight:700;
    text-decoration:none;
    transition:transform .18s, box-shadow .18s, border-color .18s;
}
.drop-profile-links a:hover {
    transform:translate(-1px,-1px);
    border-color:var(--color-accent);
    box-shadow:3px 3px 0 var(--color-accent);
}
.drop-sticker.mini-a {
    width:120px;
    height:120px;
    left:27vw;
    top:16vh;
    animation-delay:-1.4s;
}
.drop-sticker.mini-b {
    width:108px;
    height:108px;
    left:16vw;
    top:34vh;
    animation-delay:-2.8s;
}
.drop-sticker.mini-c {
    width:98px;
    height:98px;
    left:16vw;
    bottom:20vh;
    animation-delay:-3.5s;
}
.drop-sticker.mini-d {
    width:115px;
    height:115px;
    right:24vw;
    top:24vh;
    animation-delay:-4.4s;
}
.drop-sticker.mini-e {
    width:92px;
    height:92px;
    right:18vw;
    bottom:18vh;
    animation-delay:-5.2s;
}
@keyframes landingStickerFloat {
    0%,100% { translate:0 0; rotate:0deg; }
    50% { translate:0 -14px; rotate:3deg; }
}
.drop-sub {
    font-family:var(--font-mono);
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:0.08em;
}
.drop-content .browse-btn {
    margin-top:2px;
    min-width:168px;
    justify-content:center;
    background:var(--color-text);
    color:#fff8e9;
    border-color:var(--color-text);
    box-shadow:5px 5px 0 var(--color-accent);
}
.drop-content .browse-btn:hover {
    background:var(--color-accent);
    color:#fff8e9;
    border-color:var(--color-text);
    box-shadow:7px 7px 0 var(--color-text);
    transform:translate(-2px,-2px);
}
.drop-content .browse-btn:active {
    transform:translate(1px,1px);
    box-shadow:3px 3px 0 var(--color-text);
}
.fmt {
    font-family:var(--font-mono);
    background:transparent;
    border:1px solid var(--color-border);
    color:var(--color-text);
    letter-spacing:0.08em;
}

#topbar button, #cinematic-btn, #lighting-btn, #panel-btn,
.top-btn, .c-btn, .bg-btn, .kf-btn, .res-btn, .fps-btn,
.add-l-btn, .xform-btn, .reels-toggle-btn,
.browse-btn, .del-light-btn {
    border:1.5px solid var(--color-text);
    background:var(--color-bg);
    color:var(--color-text);
    box-shadow:2px 2px 0 var(--color-text);
    font-weight:600;
    transition:transform .18s, box-shadow .18s, background .18s, color .18s, border-color .18s;
}
#topbar button:hover, #cinematic-btn:hover, #lighting-btn:hover, #panel-btn:hover,
.top-btn:hover, .c-btn:hover, .bg-btn:hover, .kf-btn:hover, .res-btn:hover,
.fps-btn:hover, .add-l-btn:hover, .xform-btn:hover, .reels-toggle-btn:hover,
.browse-btn:hover, .del-light-btn:hover {
    background:var(--color-bg);
    border-color:var(--color-accent);
    box-shadow:4px 4px 0 var(--color-accent);
    transform:translate(-1px,-1px);
}
.browse-btn {
    background:var(--color-text);
    color:var(--color-bg);
    box-shadow:4px 4px 0 var(--color-accent);
}
.c-btn.on, .bg-btn.on, .kf-btn.on, .res-btn.sel, .fps-btn.sel,
.xform-btn.on, .reels-toggle-btn.on,
#cinematic-btn.on, #lighting-btn.on, #panel-btn.on {
    background:var(--color-accent);
    color:#fff8e9;
    border-color:var(--color-text);
}

#controls, #kf-strip, #panel, #cinematic-panel,
#lighting-panel, #light-controls, #toast {
    background:rgba(246,244,238,0.96);
    border:2px solid var(--color-border);
    box-shadow:var(--shadow-card);
    border-radius:var(--radius-card);
}
#controls {
    border-radius:18px;
}
#panel {
    width:248px;
    padding:12px;
    max-height:calc(100vh - 116px);
    overflow-x:hidden;
    scrollbar-width:none;
}
#panel::-webkit-scrollbar {
    width:0;
    height:0;
}
#panel .p-sec {
    margin-bottom:11px;
    padding-bottom:11px;
}
#panel .p-lbl-head {
    margin-bottom:8px;
    font-size:10px;
    letter-spacing:.11em;
}
#panel .p-row {
    gap:8px;
    margin-bottom:6px;
}
#panel .p-lbl {
    min-width:52px;
    font-size:12px;
}
#panel input[type="range"] {
    min-width:0;
}
#panel .p-val {
    min-width:24px;
    font-size:12px;
}
#panel .add-light-row,
#panel .res-row,
#panel .fps-row {
    gap:7px;
}
#panel .add-light-row {
    flex-wrap:wrap;
}
#panel .add-l-btn {
    flex:1 1 68px;
    padding:6px 5px;
}
#panel .res-btn,
#panel .fps-btn {
    min-width:0;
    padding:6px 0;
}
#panel .reels-toggle-row {
    align-items:center;
    gap:8px;
}
#panel .reels-toggle-btn {
    flex:0 0 112px;
    padding:6px 8px;
    line-height:1.1;
}
#panel .reels-toggle-row span {
    flex:1;
    min-width:0;
    line-height:1.25;
}
#panel .res-note {
    margin-top:7px;
    white-space:normal;
}
#kf-strip {
    bottom:84px;
}
.c-div, .kf-div {
    background:var(--color-border-lt);
}
.p-lbl-head, .kf-label, .lp-section-lbl, .flyby-badge {
    font-family:var(--font-mono);
    color:var(--color-accent);
    letter-spacing:0.08em;
}
.p-sec {
    border-color:var(--color-border-lt);
}
input[type="range"] {
    accent-color:var(--color-accent);
}
.spinner {
    border-color:rgba(37,99,235,0.18);
    border-top-color:var(--color-accent);
}
.kf-frame {
    background:var(--color-bg);
    border-color:var(--color-border);
    box-shadow:2px 2px 0 var(--color-text);
}
.kf-frame:hover, .kf-frame.active {
    border-color:var(--color-accent);
    box-shadow:3px 3px 0 var(--color-accent);
}
.kf-del {
    background:var(--color-accent);
    color:#fff8e9;
}
.anim-item, .light-item, .preset-card,
.lp-card, .flyby-card {
    background:var(--color-bg);
    border:1.5px solid var(--color-border);
    box-shadow:2px 2px 0 var(--color-text);
}
.anim-item:hover, .light-item:hover,
.preset-card:hover, .lp-card:hover, .flyby-card:hover {
    background:var(--color-bg);
    border-color:var(--color-accent);
    box-shadow:4px 4px 0 var(--color-accent);
    transform:translate(-1px,-1px);
}
.anim-item.playing, .light-item.sel, .lp-card.active {
    background:rgba(37,99,235,0.08);
    border-color:var(--color-accent);
}
.light-item.sel .light-item-name,
.preset-dur, .flyby-card-dur, .lp-name, .preset-name {
    color:var(--color-accent);
}
.light-item-name {
    color:var(--color-text);
}
.swatch {
    border:1.5px solid var(--color-text);
    box-shadow:1px 1px 0 var(--color-text);
}
.swatch.sel {
    border-color:var(--color-accent);
    box-shadow:2px 2px 0 var(--color-accent);
}

@keyframes rec-pulse {
    0%,100% { box-shadow:4px 4px 0 var(--color-accent), 0 0 0 0 rgba(37,99,235,0.38); }
    50% { box-shadow:4px 4px 0 var(--color-accent), 0 0 0 8px rgba(37,99,235,0); }
}

@media (max-width: 760px) {
    #topbar {
        height:56px;
        padding:0 10px;
        gap:4px;
        overflow:hidden;
    }
    .logo { font-size:18px; gap:6px; }
    .header-stickers,
    .header-sticker { display:none; }
    .top-btn { display:none; }
    #model-name { max-width:80px; font-size:10px; }
    #cinematic-btn,
    #lighting-btn {
        padding:4px 10px;
        font-size:10px;
    }
    #panel-btn {
        display:flex;
        padding:4px 8px;
        font-size:10px;
    }
    #panel-btn svg { width:12px; height:12px; }
    #controls {
        left:10px;
        right:10px;
        transform:none;
        width:auto;
        max-width:none;
        overflow-x:auto;
        justify-content:flex-start;
        bottom:10px;
        padding:6px 8px;
        gap:4px;
    }
    #panel, #cinematic-panel, #lighting-panel {
        top:68px;
        left:10px;
        right:10px;
        width:auto;
        max-height:calc(100vh - 154px);
        background:rgba(246,244,238,0.58);
        backdrop-filter:blur(14px) saturate(130%);
        -webkit-backdrop-filter:blur(14px) saturate(130%);
    }
    #panel {
        box-shadow:4px 4px 0 rgba(26,25,22,0.75);
    }
    #panel .p-sec {
        background:transparent;
    }
    #panel .p-row,
    #panel .add-light-row,
    #panel .res-row,
    #panel .fps-row,
    #panel .reels-toggle-row {
        background:transparent;
    }
    #kf-strip {
        left:10px;
        right:10px;
        transform:none;
        width:auto;
        bottom:74px;
        max-width:none;
        overflow-x:auto;
        justify-content:flex-start;
        padding:6px 8px;
        gap:6px;
        flex-wrap:nowrap;
    }
    #kf-strip .kf-label { display:none; }
    #kf-strip .kf-btn { padding:5px 9px; font-size:10px; }
    #kf-strip .kf-div { height:20px; }
    #kf-strip #kf-frames { max-width:none; flex:1 1 auto; min-width:0; }
    #kf-strip .path-dur-row {
        gap:4px;
        min-width:0;
    }
    #kf-strip .path-dur-row span:first-child { display:none; }
    #kf-strip .path-dur-row input { width:52px; }
    #kf-strip .path-dur-row span:last-child { min-width:18px; font-size:10px; }
    .reels-toggle-row { display:none; }
    #reels-overlay { display:none !important; }
    #drop-overlay::after { display:none; }
    .drop-title {
        width:100%;
        max-width:calc(100vw - 48px);
        font-size:clamp(28px, 8.6vw, 34px);
        line-height:1;
        text-align:center;
        white-space:nowrap;
    }
    .drop-sub {
        width:100%;
        font-size:10px;
        line-height:1.4;
    }
    .drop-content {
        top:55%;
        width:calc(100vw - 36px);
        min-width:0;
        overflow:hidden;
    }
    .drop-profile {
        top:14px;
        left:14px;
        right:auto;
        width:calc(100vw - 48px);
        max-width:330px;
        padding:10px;
        gap:10px;
        border-radius:18px;
        box-shadow:4px 5px 0 var(--color-text);
    }
    .drop-avatar-link {
        width:58px;
        height:58px;
    }
    .drop-profile-name { font-size:18px; }
    .drop-profile-links a {
        min-height:24px;
        padding:4px 7px;
        font-size:9px;
    }
    .drop-sticker.mini-a,
    .drop-sticker.mini-b,
    .drop-sticker.mini-c,
    .drop-sticker.mini-d,
    .drop-sticker.mini-e { display:none; }
}