:root {
  --bg: #0e1013;
  --bg2: #12151a;
  --panel: #15181e;
  --panel2: #1a1e26;
  --border: #262b36;
  --border2: #313845;
  --text: #e9ebf0;
  --muted: #98a1b3;
  --accent: #7c5cff;
  --accent2: #ff4d8d;
  --grad: linear-gradient(135deg, #7c5cff, #ff4d8d);
  --danger: #ff5c6c;
  --radius: 10px;
  --shadow: 0 8px 30px rgba(0, 0, 0, .45);
}

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

html, body { height: 100%; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, select { font-family: inherit; }
svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.muted { color: var(--muted); font-size: 12px; }
.spacer { flex: 1; }
.hidden { display: none !important; }
.wide { width: 100%; }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: #2c323e; border-radius: 8px; border: 2px solid var(--panel); }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- Top bar ---------- */
#topbar {
  height: 56px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo { width: 28px; height: 28px; border-radius: 8px; background: var(--grad); box-shadow: 0 2px 12px rgba(124, 92, 255, .5); position: relative; }
.logo::after { content: ''; position: absolute; left: 8px; top: 6px; width: 8px; height: 12px; border-left: 3px solid #fff; border-bottom: 3px solid #fff; border-radius: 1px; }
.logo.small { width: 22px; height: 22px; }
.brand-name { font-weight: 700; letter-spacing: .2px; white-space: nowrap; }
.brand-name span { color: var(--muted); font-weight: 500; }
.vdiv { width: 1px; height: 24px; background: var(--border2); margin: 0 4px; }

#proj-name {
  background: transparent; border: 1px solid transparent; color: var(--text);
  font-size: 14px; font-weight: 600; padding: 6px 8px; border-radius: 8px; width: 170px;
}
#proj-name:hover { border-color: var(--border2); }
#proj-name:focus { outline: none; border-color: var(--accent); background: var(--bg2); }

.tbtn {
  padding: 7px 12px; border-radius: 8px; color: var(--text); font-weight: 500;
  border: 1px solid transparent; transition: .15s; white-space: nowrap; font-size: 13px;
}
.tbtn:hover { background: var(--panel2); border-color: var(--border2); }
.tbtn:disabled { opacity: .35; cursor: default; }
.tbtn:disabled:hover { background: none; border-color: transparent; }
.tbtn.icon { padding: 7px; display: grid; place-items: center; }
.tbtn.danger { color: var(--danger); }
.tbtn.wide { border: 1px solid var(--border2); text-align: center; }

.zoom-label { min-width: 46px; text-align: center; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 13px; }

.select {
  background: var(--panel2); border: 1px solid var(--border2); color: var(--text);
  padding: 7px 10px; border-radius: 8px; font-size: 13px; cursor: pointer;
}
.select:focus { outline: none; border-color: var(--accent); }

.btn-primary, .btn-grad {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px;
  border-radius: 8px; font-weight: 600; font-size: 13px; transition: .15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #8d70ff; box-shadow: 0 4px 16px rgba(124, 92, 255, .4); }
.btn-grad { background: var(--grad); color: #fff; }
.btn-grad:hover { filter: brightness(1.12); box-shadow: 0 4px 18px rgba(255, 77, 141, .35); }

.dl-wrap { position: relative; }
.menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 230px;
  background: var(--panel2); border: 1px solid var(--border2); border-radius: 12px;
  box-shadow: var(--shadow); padding: 6px; z-index: 60;
}
.menu button {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  width: 100%; padding: 9px 12px; border-radius: 8px; font-size: 13px; text-align: left;
}
.menu button:hover { background: var(--panel); }
.menu button span { color: var(--muted); font-size: 11px; }
.menu-div { height: 1px; background: var(--border); margin: 5px 8px; }

/* ---------- Layout ---------- */
#app { display: flex; height: calc(100vh - 56px); }

#rail {
  width: 74px; flex-shrink: 0; background: var(--panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center; padding: 10px 0; gap: 4px;
}
.rail-btn {
  width: 62px; padding: 9px 0 7px; border-radius: 10px; display: flex; flex-direction: column;
  align-items: center; gap: 5px; color: var(--muted); transition: .15s;
}
.rail-btn svg { width: 21px; height: 21px; }
.rail-btn span { font-size: 10.5px; font-weight: 500; }
.rail-btn:hover { color: var(--text); background: var(--panel2); }
.rail-btn.active { color: #fff; background: linear-gradient(135deg, rgba(124,92,255,.25), rgba(255,77,141,.2)); box-shadow: inset 0 0 0 1px rgba(124,92,255,.45); }

/* ---------- Left panel ---------- */
#panel {
  width: 300px; flex-shrink: 0; background: var(--panel); border-right: 1px solid var(--border);
  overflow-y: auto; padding: 18px 16px 40px;
}
.panel-page h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .8px; color: var(--muted); margin: 22px 0 10px; }
.panel-page h2:first-child { margin-top: 0; }
.hint { color: var(--muted); font-size: 12px; line-height: 1.5; margin-bottom: 10px; }
.hint.pad { padding: 12px 2px; }

.shape-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.shape-grid button {
  aspect-ratio: 1; display: grid; place-items: center; background: var(--panel2);
  border: 1px solid var(--border); border-radius: 10px; color: var(--muted); transition: .15s;
}
.shape-grid button:hover { color: #fff; border-color: var(--accent); transform: translateY(-2px); }
.shape-grid svg { width: 26px; height: 26px; fill: currentColor; stroke: none; }
.shape-grid button svg[stroke], .shape-grid button [stroke-width] { }
#sticker-grid button { background: transparent; border-style: dashed; }
#sticker-grid svg { fill: none; stroke: currentColor; stroke-width: 6; }

.stack { display: flex; flex-direction: column; gap: 8px; }
.text-add { text-align: left; padding: 12px 14px; background: var(--panel2); border: 1px solid var(--border); border-radius: 10px; transition: .15s; color: var(--text); }
.text-add:hover { border-color: var(--accent); }
.text-add.h1 { font-size: 21px; font-weight: 800; }
.text-add.h2 { font-size: 16px; font-weight: 600; }
.text-add.body { font-size: 13px; color: var(--muted); }

.fx { padding: 14px; border-radius: 10px; font-size: 20px; font-weight: 800; border: 1px solid var(--border); background: var(--panel2); transition: .15s; }
.fx:hover { transform: translateY(-2px); border-color: var(--border2); }
.fx-gradient { background: var(--panel2); color: transparent; background-image: var(--grad), linear-gradient(#1a1e26,#1a1e26); background-clip: text, border-box; -webkit-background-clip: text, border-box; }
.fx-gradient { -webkit-text-fill-color: transparent; }
.fx-neon { color: #fff; text-shadow: 0 0 8px #ff2d95, 0 0 22px #ff2d95, 0 0 40px #ff2d95; background: #12060d; border-color: #3d1028; }
.fx-retro { color: #ffd23f; text-shadow: 3px 3px 0 #e4572e, 6px 6px 0 #17bebb; background: #2b2d42; font-family: 'Bebas Neue', sans-serif; letter-spacing: 2px; }
.fx-outline { color: transparent; -webkit-text-stroke: 1.5px #e9ebf0; }

.thumb-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 12px; }
.thumb-grid .thumb { position: relative; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); aspect-ratio: 4/3; cursor: pointer; background: var(--panel2) center/cover; }
.thumb-grid .thumb:hover { border-color: var(--accent); }
.thumb-grid .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

.bg-row { display: flex; gap: 8px; margin-bottom: 12px; }
.swatch-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.swatch-grid.grad { grid-template-columns: repeat(3, 1fr); }
.swatch { aspect-ratio: 1; border-radius: 8px; border: 1px solid var(--border); cursor: pointer; transition: .12s; }
.swatch:hover { transform: scale(1.12); border-color: #fff; }
.swatch.active { outline: 2px solid var(--accent); outline-offset: 2px; }

.card3d { background: linear-gradient(160deg, #191c2b, #14161d); border: 1px solid #2d3050; border-radius: 14px; padding: 18px; text-align: center; }
.card3d-icon { width: 46px; height: 46px; margin: 0 auto 12px; border-radius: 12px; background: var(--grad); display: grid; place-items: center; }
.card3d-icon svg { width: 24px; height: 24px; color: #fff; }
.card3d p { color: var(--muted); font-size: 12.5px; line-height: 1.55; margin-bottom: 14px; }
.tips { list-style: none; margin-top: 16px; }
.tips li { color: var(--muted); font-size: 12px; padding: 7px 0 7px 20px; position: relative; border-bottom: 1px solid var(--border); }
.tips li::before { content: ''; position: absolute; left: 4px; top: 12px; width: 6px; height: 6px; border-radius: 50%; background: var(--grad); }

/* Template cards */
.tpl-card { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; cursor: pointer; margin-bottom: 12px; transition: .15s; }
.tpl-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.tpl-preview { height: 120px; display: flex; flex-direction: column; justify-content: center; padding: 14px; gap: 4px; }
.tpl-preview .t1 { font-weight: 800; font-size: 17px; line-height: 1.15; }
.tpl-preview .t2 { font-size: 10.5px; opacity: .85; letter-spacing: 2px; text-transform: uppercase; }
.tpl-name { padding: 8px 12px; font-size: 12.5px; font-weight: 600; background: var(--panel2); }

/* ---------- Workspace ---------- */
#workspace { flex: 1; display: flex; flex-direction: column; min-width: 0; }
#canvas-wrap {
  flex: 1; overflow: auto; position: relative;
  background:
    radial-gradient(circle at 1px 1px, #232833 1px, transparent 0) 0 0 / 26px 26px,
    var(--bg);
}
#canvas-pad { min-width: 100%; min-height: 100%; width: max-content; height: max-content; display: flex; padding: 90px; }
#stage { margin: auto; box-shadow: 0 10px 60px rgba(0,0,0,.55), 0 0 0 1px #2b303c; }
.tbtn.on { background: var(--accent); color: #fff; }
#statusbar {
  height: 32px; display: flex; align-items: center; gap: 8px; padding: 0 14px;
  background: var(--panel); border-top: 1px solid var(--border); font-size: 12px; color: var(--muted);
}
#statusbar .dot { opacity: .5; }

/* ---------- Inspector ---------- */
#inspector { width: 284px; flex-shrink: 0; background: var(--panel); border-left: 1px solid var(--border); display: flex; flex-direction: column; }
.insp-tabs { display: flex; border-bottom: 1px solid var(--border); }
.insp-tab { flex: 1; padding: 12px; font-weight: 600; font-size: 13px; color: var(--muted); border-bottom: 2px solid transparent; }
.insp-tab.active { color: var(--text); border-bottom-color: var(--accent); }
.itab { flex: 1; overflow-y: auto; padding: 16px 14px 40px; }

#ins-empty { text-align: center; padding: 46px 16px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.empty-icon { width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 14px; background: var(--panel2); border: 1px dashed var(--border2); display: grid; place-items: center; color: var(--muted); }

.ctl { margin-bottom: 14px; }
.ctl label { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.ctl label span { color: var(--text); font-variant-numeric: tabular-nums; }
.blk { border-top: 1px solid var(--border); padding-top: 14px; margin-top: 14px; }
.blk h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .7px; color: var(--muted); margin-bottom: 12px; }
.row { display: flex; gap: 6px; margin-bottom: 8px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.row .tbtn { flex: 1; text-align: center; border: 1px solid var(--border); padding: 7px 6px; font-size: 12.5px; }

input[type="number"] { background: var(--panel2); border: 1px solid var(--border2); color: var(--text); border-radius: 8px; padding: 7px 8px; width: 64px; font-size: 13px; }
input[type="number"]:focus { outline: none; border-color: var(--accent); }

input[type="color"] { -webkit-appearance: none; appearance: none; width: 40px; height: 32px; border: 1px solid var(--border2); border-radius: 8px; background: none; padding: 2px; cursor: pointer; }
input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"]::-webkit-color-swatch { border: none; border-radius: 6px; }
.color-row span { flex: 1; }

input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 4px; border-radius: 4px; background: var(--border2); outline: none; }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3px solid var(--accent); cursor: pointer; transition: .1s;
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
input[type="range"]::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 3px solid var(--accent); cursor: pointer; }

.seg { background: var(--panel2); border: 1px solid var(--border); border-radius: 9px; padding: 3px; display: flex; gap: 3px; }
.seg button { flex: 1; padding: 6px; border-radius: 7px; color: var(--muted); display: grid; place-items: center; font-size: 12px; font-weight: 600; }
.seg button:hover { color: var(--text); }
.seg button.active { background: var(--accent); color: #fff; }
.seg svg { width: 15px; height: 15px; }

.switch { display: flex; align-items: center; gap: 10px; font-size: 13px; cursor: pointer; padding: 4px 0; }
.switch input { display: none; }
.switch span { width: 34px; height: 20px; border-radius: 20px; background: var(--border2); position: relative; transition: .15s; flex-shrink: 0; }
.switch span::after { content: ''; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; border-radius: 50%; background: #fff; transition: .15s; }
.switch input:checked + span { background: var(--accent); }
.switch input:checked + span::after { left: 17px; }

/* Layers */
.layer-row {
  display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 8px;
  border: 1px solid transparent; cursor: pointer; font-size: 12.5px; margin-bottom: 3px;
}
.layer-row:hover { background: var(--panel2); }
.layer-row.active { background: linear-gradient(135deg, rgba(124,92,255,.18), rgba(255,77,141,.12)); border-color: rgba(124,92,255,.4); }
.layer-row .li { width: 20px; height: 20px; display: grid; place-items: center; color: var(--muted); flex-shrink: 0; }
.layer-row .li svg { width: 14px; height: 14px; }
.layer-row .nm { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.layer-row .lact { color: var(--muted); padding: 3px; border-radius: 5px; display: grid; place-items: center; }
.layer-row .lact:hover { color: #fff; background: var(--border2); }
.layer-row .lact svg { width: 14px; height: 14px; }
.layer-row .lact.off { color: var(--danger); }

/* ---------- Toasts ---------- */
#toasts { position: fixed; bottom: 46px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: 8px; z-index: 300; align-items: center; }
.toast {
  background: #1d212b; border: 1px solid var(--border2); padding: 10px 18px; border-radius: 10px;
  font-size: 13px; box-shadow: var(--shadow); animation: toast-in .25s ease; max-width: 420px;
}
.toast.err { border-color: var(--danger); color: #ffb3ba; }
@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.toast.out { opacity: 0; transition: .3s; }

/* ---------- 3D Studio ---------- */
#studio3d { position: fixed; inset: 0; z-index: 200; background: rgba(6, 7, 10, .72); backdrop-filter: blur(10px); }
#s3d-shell { position: absolute; inset: 14px; background: var(--bg2); border: 1px solid var(--border2); border-radius: 18px; overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 30px 90px rgba(0,0,0,.6); }
#s3d-top { height: 54px; display: flex; align-items: center; gap: 12px; padding: 0 14px; border-bottom: 1px solid var(--border); background: var(--panel); }
#s3d-body { flex: 1; display: flex; min-height: 0; }

.s3d-panel {
  width: 252px; flex-shrink: 0; overflow-y: auto; padding: 16px 14px 40px;
  background: rgba(21, 24, 30, .85); border-right: 1px solid var(--border);
}
.s3d-panel.right { border-right: none; border-left: 1px solid var(--border); }
.s3d-panel h3 { font-size: 11.5px; text-transform: uppercase; letter-spacing: .8px; color: var(--muted); margin: 20px 0 10px; }
.s3d-panel h3:first-child { margin-top: 0; }
.s3d-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; }
.s3d-grid button { padding: 10px 6px; background: var(--panel2); border: 1px solid var(--border); border-radius: 9px; font-size: 12.5px; font-weight: 600; transition: .13s; }
.s3d-grid button:hover { border-color: var(--accent); transform: translateY(-1px); }

#s3d-text-input { width: 100%; background: var(--panel2); border: 1px solid var(--border2); color: var(--text); border-radius: 8px; padding: 9px 10px; font-size: 14px; font-weight: 700; letter-spacing: 1px; margin-bottom: 8px; text-transform: uppercase; }
#s3d-text-input:focus { outline: none; border-color: var(--accent); }
#s3d-text-font { margin-bottom: 10px; }
#s3d-btn-text { margin-top: 10px; }
.s3d-panel .ctl { margin-top: 4px; }
.s3d-panel .switch { margin: 8px 0; }

#s3d-viewport { flex: 1; position: relative; min-width: 0; background: radial-gradient(ellipse at 50% 40%, #181b22, #0c0e12); }
#s3d-viewport canvas { display: block; }

#s3d-list { display: flex; flex-direction: column; gap: 4px; max-height: 180px; overflow-y: auto; margin-bottom: 6px; }
.s3d-obj { display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 8px; border: 1px solid transparent; font-size: 12.5px; cursor: pointer; }
.s3d-obj:hover { background: var(--panel2); }
.s3d-obj.active { border-color: rgba(124,92,255,.5); background: rgba(124,92,255,.14); }
.s3d-obj .nm { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.s3d-obj .x { color: var(--muted); padding: 2px 5px; border-radius: 5px; }
.s3d-obj .x:hover { color: var(--danger); background: var(--border2); }

#s3d-modes { margin-bottom: 6px; }

@media (max-width: 1100px) {
  #inspector { width: 240px; }
  #panel { width: 264px; }
}