/* ── Design tokens ───────────────────────────────────────── */
:root {
  --bg:            #0F172A;
  --bg-deep:       #080D18;
  --bg-card:       rgba(255,255,255,.045);
  --bg-card-2:     rgba(255,255,255,.075);
  --bg-hover:      rgba(255,255,255,.10);
  --border:        rgba(255,255,255,.08);
  --border-strong: rgba(255,255,255,.18);
  --text:          #FFFFFF;
  --text-dim:      #C3C9DA;
  --text-muted:    #8A93AC;
  --primary:       #EC4899;
  --secondary:     #DB2777;
  --accent:        #2563EB;
  --accent-2:      #60A5FA;
  --muted-surface: #201A32;
  --success:       #34D399;
  --danger:        #F87171;
  --warning:       #FBBF24;
  --grad:          linear-gradient(135deg, #EC4899 0%, #2563EB 100%);
  --grad-soft:     linear-gradient(135deg, rgba(236,72,153,.22), rgba(37,99,235,.22));
  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --shadow:    0 4px 24px rgba(0,0,0,.45);
  --shadow-lg: 0 16px 52px rgba(0,0,0,.55);
  --ring: 0 0 0 3px rgba(236,72,153,.28);
  --font-ar: 'IBM Plex Sans Arabic', 'Inter', system-ui, sans-serif;
  --font: 'Inter', 'IBM Plex Sans Arabic', system-ui, sans-serif;
  color-scheme: dark;
}

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

html { scroll-behavior: smooth; }

body {
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ar);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
b, strong { font-weight: 700; }
svg { width: 1em; height: 1em; }
[hidden] { display: none !important; }
.muted { color: var(--text-muted); }
.small { font-size: .82rem; }
.grad-text {
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.glow {
  position: fixed; inset: -30% -20% auto -20%; height: 62vh; pointer-events: none; z-index: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(236,72,153,.22), transparent 58%),
              radial-gradient(ellipse at 82% 12%, rgba(37,99,235,.20), transparent 60%);
}

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 1rem;
  padding: .7rem clamp(.9rem, 3vw, 2rem);
  background: rgba(15,23,42,.82); backdrop-filter: blur(16px);
  border-bottom: 1.5px solid var(--border);
}
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 600; white-space: nowrap; }
.brand-mark {
  display: grid; place-items: center; width: 34px; height: 34px; font-size: 18px;
  background: var(--grad); color: #fff; border-radius: var(--r-sm);
  box-shadow: 0 6px 20px rgba(236,72,153,.35);
}
.brand-text { font-size: .98rem; }
.brand-text b { font-weight: 700; }
.nav-links { display: flex; gap: .2rem; margin-inline-start: auto; }
.nav-link {
  background: none; border: 0; cursor: pointer; padding: .45rem .9rem; border-radius: var(--r-sm);
  font-size: .88rem; font-weight: 600; color: var(--text-muted);
  transition: color .16s ease, background .16s ease;
}
.nav-link:hover { color: var(--text); background: var(--bg-card); }
.nav-link.active { color: var(--text); background: var(--grad-soft); box-shadow: inset 0 0 0 1.5px var(--border); }
.nav-actions { display: flex; gap: .5rem; }
@media (max-width: 860px) {
  .navbar { flex-wrap: wrap; }
  .nav-links { order: 3; width: 100%; margin: 0; overflow-x: auto; padding-bottom: .2rem; }
  .nav-actions { margin-inline-start: auto; }
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  padding: .68rem 1.25rem; border-radius: var(--r-sm); border: 1.5px solid transparent;
  font-size: .9rem; font-weight: 600; cursor: pointer; white-space: nowrap;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease, opacity .16s ease;
}
.btn:hover:not(:disabled) { transform: translateY(-2px); }
.btn:active:not(:disabled) { transform: translateY(0); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:focus-visible { outline: none; box-shadow: var(--ring); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 28px rgba(236,72,153,.3); }
.btn-primary:hover:not(:disabled) { box-shadow: 0 14px 40px rgba(236,72,153,.45); }
.btn-ghost { border-color: var(--border-strong); background: transparent; color: var(--text); }
.btn-ghost:hover:not(:disabled) { background: var(--bg-hover); }
.btn-danger { background: rgba(248,113,113,.15); border-color: rgba(248,113,113,.4); color: var(--danger); }
.btn-sm { padding: .48rem .85rem; font-size: .82rem; }
.btn-lg { padding: .85rem 1.6rem; font-size: 1rem; width: 100%; }
.icon-btn {
  display: grid; place-items: center; width: 32px; height: 32px; cursor: pointer;
  background: var(--bg-card); border: 1.5px solid var(--border); border-radius: var(--r-sm);
  transition: background .16s, transform .16s;
}
.icon-btn:hover { background: var(--bg-hover); transform: translateY(-1px); }
.pill {
  display: inline-grid; place-items: center; min-width: 18px; height: 18px; padding: 0 5px;
  font-size: .68rem; font-weight: 700; background: var(--primary); color: #fff; border-radius: 999px;
}

/* ── Layout / cards ──────────────────────────────────────── */
main { position: relative; z-index: 1; }
.view { display: none; }
.view.active { display: block; animation: fadeUp .45s ease both; }
.section { max-width: 1240px; margin: 0 auto; padding: 2.5rem clamp(1rem, 3vw, 2rem) 3rem; }
.grid-2col { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .9fr); gap: 1.25rem; align-items: start; }
@media (max-width: 980px) { .grid-2col { grid-template-columns: 1fr; } }
.side-stack { display: grid; gap: 1.25rem; }

.card {
  background: var(--bg-card); border: 1.5px solid var(--border); border-radius: var(--r-md);
  backdrop-filter: blur(14px); box-shadow: var(--shadow); padding: 1.4rem;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { border-color: var(--border-strong); }
.card-title { display: flex; align-items: center; gap: .5rem; font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
.card-title svg { color: var(--primary); font-size: 1.1rem; }

/* ── Hero ────────────────────────────────────────────────── */
.hero { text-align: center; padding: clamp(2.5rem, 7vw, 4.5rem) 1.25rem 1rem; }
.hero h1 {
  font-size: clamp(1.9rem, 5.2vw, 3.4rem); font-weight: 700; line-height: 1.18;
  letter-spacing: -.02em; margin: .9rem 0 1rem;
}
.hero p { color: var(--text-dim); max-width: 680px; margin: 0 auto; font-size: clamp(.94rem, 2vw, 1.06rem); }
.hero-badge {
  display: inline-flex; align-items: center; gap: .4rem; padding: .3rem .85rem;
  font-size: .74rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  color: var(--primary); background: rgba(236,72,153,.12);
  border: 1.5px solid rgba(236,72,153,.3); border-radius: 999px;
}
.hero-badge svg { font-size: .9rem; }

/* ── Forms ───────────────────────────────────────────────── */
label {
  display: flex; flex-direction: column; gap: .4rem; margin-bottom: .9rem;
  font-size: .74rem; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; color: var(--text-muted);
}
input, select, textarea, .proj-name {
  width: 100%; padding: .68rem .9rem; background: rgba(255,255,255,.055);
  border: 1.5px solid var(--border); border-radius: var(--r-sm);
  font-size: .93rem; font-weight: 500; text-transform: none; letter-spacing: 0; color: var(--text);
  outline: none; transition: border-color .18s, box-shadow .18s, background .18s;
}
textarea { resize: vertical; line-height: 1.6; font-family: inherit; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: var(--ring); background: rgba(255,255,255,.075); }
input.error, textarea.error { border-color: var(--danger); }
.field-error { color: var(--danger); font-size: .76rem; font-weight: 500; letter-spacing: 0; text-transform: none; min-height: 0; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
@media (max-width: 560px) { .two { grid-template-columns: 1fr; } }
.row-2 { display: flex; gap: .6rem; flex-wrap: wrap; }
.row-2 > * { flex: 1; }
.row-2.between { justify-content: space-between; align-items: center; flex-wrap: nowrap; }
.row-2.between > * { flex: 0 0 auto; }
.hint { margin-top: .75rem; font-size: .76rem; color: var(--text-muted); text-align: center; }

/* ── Feature list & badges ───────────────────────────────── */
.feature-list { list-style: none; display: grid; gap: .85rem; }
.feature-list li { display: flex; gap: .7rem; align-items: flex-start; }
.feature-list li > svg {
  flex: 0 0 auto; display: grid; place-items: center; width: 30px; height: 30px; padding: 7px;
  font-size: 16px; color: var(--accent-2); background: rgba(37,99,235,.14);
  border-radius: var(--r-sm); border: 1.5px solid rgba(37,99,235,.25);
}
.feature-list b { display: block; font-size: .92rem; }
.feature-list span { font-size: .82rem; color: var(--text-muted); }
.ai-bridge .card-title svg { color: var(--accent-2); }
.ai-bridge p { font-size: .86rem; color: var(--text-dim); margin-bottom: .9rem; }

.badge {
  display: inline-flex; align-items: center; gap: .3rem; padding: .2rem .6rem;
  font-size: .72rem; font-weight: 600; border-radius: var(--r-xs);
  background: rgba(236,72,153,.14); color: var(--primary); border: 1.5px solid rgba(236,72,153,.28);
}
.badge.blue { background: rgba(37,99,235,.14); color: var(--accent-2); border-color: rgba(37,99,235,.3); }
.badge.green { background: rgba(52,211,153,.13); color: var(--success); border-color: rgba(52,211,153,.3); }

/* ── Studio shell ────────────────────────────────────────── */
#view-studio { padding: 1rem clamp(.8rem, 2.5vw, 1.6rem) 2.5rem; }
.studio-bar {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  padding: .8rem 0 1rem; border-bottom: 1.5px solid var(--border); margin-bottom: 1.1rem;
}
.studio-title { display: flex; align-items: center; gap: .7rem; flex: 1 1 260px; }
.proj-name {
  max-width: 340px; font-size: 1.05rem; font-weight: 700; background: transparent;
  border-color: transparent; padding: .3rem .4rem;
}
.proj-name:hover { border-color: var(--border); }
.studio-actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.studio-grid {
  display: grid; grid-template-columns: 216px minmax(0, 1fr) 320px; gap: 1rem; align-items: start;
}
@media (max-width: 1180px) { .studio-grid { grid-template-columns: 190px minmax(0, 1fr); } .inspector { grid-column: 1 / -1; } }
@media (max-width: 780px) { .studio-grid { grid-template-columns: 1fr; } .rail { order: 2; } .stage-wrap { order: 1; } }

.rail { padding: .9rem; max-height: 620px; overflow: auto; }
.rail-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .7rem; }
.rail-title { font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--text-muted); }
.scene-list { list-style: none; display: grid; gap: .5rem; }
.scene-item {
  display: flex; gap: .6rem; align-items: center; padding: .5rem; cursor: pointer;
  background: rgba(255,255,255,.03); border: 1.5px solid var(--border); border-radius: var(--r-sm);
  transition: background .16s, border-color .16s, transform .16s;
}
.scene-item:hover { background: var(--bg-hover); transform: translateX(-2px); }
.scene-item.active { border-color: var(--primary); background: rgba(236,72,153,.1); }
.scene-thumb {
  flex: 0 0 auto; width: 44px; height: 30px; border-radius: var(--r-xs);
  border: 1.5px solid var(--border); background-size: cover; background-position: center;
}
.scene-meta { min-width: 0; }
.scene-meta b { display: block; font-size: .8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.scene-meta span { font-size: .7rem; color: var(--text-muted); }
.scene-order { display: grid; gap: 2px; margin-inline-start: auto; }
.scene-order button {
  width: 20px; height: 16px; padding: 0; display: grid; place-items: center; cursor: pointer;
  font-size: 10px; background: transparent; border: 0; color: var(--text-muted); border-radius: 3px;
}
.scene-order button:hover { background: var(--bg-hover); color: var(--text); }
.rail-empty { font-size: .8rem; color: var(--text-muted); text-align: center; padding: 1rem 0; }

/* ── Stage / canvas ──────────────────────────────────────── */
.stage-wrap { position: relative; padding: .9rem; display: grid; gap: .8rem; justify-items: center; }
#stage {
  display: block; max-width: 100%; max-height: 62vh; width: auto; height: auto;
  background: var(--bg-deep); border: 1.5px solid var(--border-strong); border-radius: var(--r-sm);
  box-shadow: var(--shadow-lg);
}
.stage-empty {
  position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: .35rem;
  text-align: center; background: rgba(8,13,24,.72); border-radius: var(--r-sm); z-index: 2;
}
.stage-empty svg { font-size: 34px; color: var(--primary); }
.stage-empty span { font-size: .82rem; color: var(--text-muted); }
.transport { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; justify-content: center; width: 100%; }
.time { font-family: var(--font); font-size: .8rem; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.switch { flex-direction: row; align-items: center; gap: .45rem; margin: 0; text-transform: none; letter-spacing: 0;
  font-size: .78rem; font-weight: 500; color: var(--text-dim); cursor: pointer; }
.switch input, .check-line input { width: auto; }
.scrub { position: relative; width: 100%; height: 6px; background: rgba(255,255,255,.08); border-radius: 999px; }
.scrub-fill { position: absolute; inset-inline-start: 0; top: 0; bottom: 0; width: 0; background: var(--grad); border-radius: 999px; }
#scrub { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; margin: 0; padding: 0; border: 0; }

/* ── Inspector ───────────────────────────────────────────── */
.inspector { max-height: 620px; overflow: auto; }
.inspector-empty { display: grid; place-content: center; justify-items: center; gap: .35rem; text-align: center; padding: 2.5rem 0; }
.inspector-empty svg { font-size: 32px; color: var(--primary); }
.inspector-empty span { font-size: .82rem; color: var(--text-muted); }
.insp-sec { border-top: 1.5px solid var(--border); margin-top: 1rem; padding-top: 1rem; }
.insp-sec:first-child { border-top: 0; margin-top: 0; padding-top: 0; }
.insp-sec > h4 {
  display: flex; align-items: center; gap: .4rem; font-size: .72rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: .7rem;
}
.insp-sec > h4 svg { color: var(--primary); }
.swatches { display: flex; gap: .4rem; flex-wrap: wrap; }
.swatch {
  width: 34px; height: 26px; border-radius: var(--r-xs); cursor: pointer;
  border: 1.5px solid var(--border); transition: transform .16s, border-color .16s;
}
.swatch:hover { transform: translateY(-2px); }
.swatch.active { border-color: var(--text); box-shadow: 0 0 0 2px rgba(255,255,255,.25); }
.range-row { display: flex; align-items: center; gap: .7rem; }
.range-row input[type=range] { flex: 1; accent-color: var(--primary); padding: 0; background: none; border: 0; }
.range-row b { font-family: var(--font); font-size: .82rem; min-width: 46px; text-align: center; color: var(--text-dim); }
.thumb-preview { width: 100%; height: 96px; object-fit: cover; border-radius: var(--r-sm); border: 1.5px solid var(--border); margin-bottom: .5rem; }
.check-line { flex-direction: row; align-items: center; gap: .5rem; text-transform: none; letter-spacing: 0; font-size: .8rem; font-weight: 500; color: var(--text-dim); cursor: pointer; }
.danger-row { border-top: 1.5px solid var(--border); margin-top: 1rem; padding-top: 1rem; }

/* ── Timeline ────────────────────────────────────────────── */
.timeline { margin-top: 1rem; padding: .9rem; }
.tl-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .6rem; }
.tl-track { display: flex; gap: 4px; overflow-x: auto; padding-bottom: .3rem; }
.tl-block {
  flex: 0 0 auto; min-width: 54px; padding: .5rem .6rem; cursor: pointer; border-radius: var(--r-sm);
  border: 1.5px solid var(--border); background: rgba(255,255,255,.04);
  display: grid; gap: .15rem; transition: transform .16s, border-color .16s, background .16s;
}
.tl-block:hover { transform: translateY(-2px); background: var(--bg-hover); }
.tl-block.active { border-color: var(--primary); background: rgba(236,72,153,.12); }
.tl-block b { font-family: var(--font); font-size: .68rem; color: var(--text-muted); }
.tl-block span { font-size: .74rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 150px; }

/* ── Drawer / projects ───────────────────────────────────── */
.drawer { position: fixed; inset: 0; z-index: 60; background: rgba(4,7,14,.6); backdrop-filter: blur(3px); opacity: 0; pointer-events: none; transition: opacity .22s ease; }
.drawer.open { opacity: 1; pointer-events: auto; }
.drawer-panel {
  position: absolute; inset-block: 0; inset-inline-end: 0; width: min(420px, 92vw);
  background: #0C1424; border-inline-start: 1.5px solid var(--border-strong);
  padding: 1.1rem; overflow: auto; display: grid; gap: 1rem; align-content: start;
  transform: translateX(-16px); transition: transform .22s ease;
}
.drawer.open .drawer-panel { transform: none; }
html[dir="rtl"] .drawer-panel { transform: translateX(16px); }
html[dir="rtl"] .drawer.open .drawer-panel { transform: none; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; }
.drawer-head h2 { display: flex; align-items: center; gap: .5rem; font-size: 1.05rem; }
.drawer-head h2 svg { color: var(--primary); }
.drawer-actions { display: flex; gap: .5rem; }
.proj-list { list-style: none; display: grid; gap: .5rem; }
.proj-row {
  display: flex; align-items: center; gap: .7rem; padding: .7rem; border-radius: var(--r-sm);
  border: 1.5px solid var(--border); background: rgba(255,255,255,.035); cursor: pointer;
  transition: border-color .16s, background .16s, transform .16s;
}
.proj-row:hover { border-color: var(--border-strong); background: var(--bg-hover); transform: translateX(-2px); }
.proj-row .info { min-width: 0; flex: 1; }
.proj-row b { display: block; font-size: .88rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.proj-row span { font-size: .72rem; color: var(--text-muted); }
.empty-note { font-size: .84rem; color: var(--text-muted); text-align: center; padding: 1.2rem; border: 1.5px dashed var(--border); border-radius: var(--r-sm); }
.import-box { border-top: 1.5px solid var(--border); padding-top: 1rem; }

/* ── Modal / export ──────────────────────────────────────── */
.overlay { position: fixed; inset: 0; z-index: 70; display: grid; place-items: center; padding: 1rem; background: rgba(4,7,14,.75); backdrop-filter: blur(5px); animation: fadeUp .2s ease both; }
.modal { width: min(500px, 96vw); background: #0C1424; border: 1.5px solid var(--border-strong); border-radius: var(--r-lg); padding: 1.5rem; box-shadow: var(--shadow-lg); display: grid; gap: 1rem; }
.progress { height: 8px; background: rgba(255,255,255,.08); border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; width: 0; background: var(--grad); transition: width .2s linear; }
.result { display: grid; gap: .5rem; justify-items: start; padding: .9rem; border-radius: var(--r-sm); background: rgba(52,211,153,.08); border: 1.5px solid rgba(52,211,153,.28); }
.result b { color: var(--success); }

/* ── Toast ───────────────────────────────────────────────── */
.toast-wrap { position: fixed; inset-block-end: 1.2rem; inset-inline-end: 1.2rem; z-index: 90; display: grid; gap: .5rem; justify-items: end; }
.toast {
  padding: .7rem 1.1rem; border-radius: var(--r-sm); font-size: .86rem; font-weight: 600;
  animation: slideIn .3s ease both; box-shadow: var(--shadow-lg); backdrop-filter: blur(10px);
  display: flex; align-items: center; gap: .5rem; max-width: 92vw;
}
.toast.success { background: rgba(52,211,153,.16); border: 1.5px solid rgba(52,211,153,.35); color: var(--success); }
.toast.error { background: rgba(248,113,113,.16); border: 1.5px solid rgba(248,113,113,.35); color: var(--danger); }
.toast.info { background: rgba(37,99,235,.16); border: 1.5px solid rgba(37,99,235,.35); color: var(--accent-2); }

/* ── Footer & animations ─────────────────────────────────── */
.footer {
  position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: 1.5rem clamp(1rem, 3vw, 2rem); border-top: 1.5px solid var(--border);
  font-size: .8rem; color: var(--text-dim);
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes slideIn { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: none; } }
.skeleton { background: linear-gradient(90deg, rgba(255,255,255,.05) 25%, rgba(255,255,255,.1) 50%, rgba(255,255,255,.05) 75%); background-size: 200% 100%; animation: shimmer 1.3s infinite; border-radius: var(--r-sm); }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* ── Graceful fallback if the icon CDN is unavailable ─────── */
i[data-lucide] { display: inline-grid; place-items: center; min-width: 1em; min-height: 1em; }
i[data-lucide]:empty::before { content: '◆'; font-size: .65em; opacity: .55; }