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

:root {
  --accent: #6366f1;
  --accent-dark: #4f46e5;
  --accent-light: #eef2ff;
  --bg: #f1f5f9;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-2: #475569;
  --text-3: #94a3b8;
  --danger: #ef4444;
  --success: #22c55e;
  --sidebar-w: 210px;
  --props-w: 256px;
  --topbar-h: 52px;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,.1);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.15);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background .12s, border-color .12s, color .12s, box-shadow .12s;
  white-space: nowrap;
  line-height: 1;
  text-decoration: none;
}
.btn:disabled { opacity: 0.35; cursor: not-allowed; pointer-events: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg); }
.btn-ghost { background: transparent; color: var(--text-2); border-color: transparent; }
.btn-ghost:hover { background: var(--bg); color: var(--text); }
.btn-danger { background: #fef2f2; color: var(--danger); border-color: #fecaca; }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-icon { padding: 0; width: 30px; height: 30px; justify-content: center; border-radius: 6px; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-lg { padding: 10px 20px; font-size: 14px; }

/* ── Inputs ── */
input[type="text"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 6px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  outline: none;
  transition: border-color .12s, box-shadow .12s;
  appearance: none;
  -webkit-appearance: none;
}
input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,.15);
}
select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 8px center; padding-right: 28px; cursor: pointer; }
label { display: block; font-size: 11px; font-weight: 500; color: var(--text-2); margin-bottom: 4px; }
.form-row { margin-bottom: 14px; }
.form-row:last-child { margin-bottom: 0; }

/* ── Divider ── */
.divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ── Toast ── */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #1e293b;
  color: #fff;
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  transition: transform .25s ease;
  pointer-events: none;
}
#toast.show { transform: translateX(-50%) translateY(0); }
#toast.success { background: #166534; }
#toast.error { background: #991b1b; }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15,23,42,.5);
  backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center;
  z-index: 500;
  opacity: 0; pointer-events: none;
  transition: opacity .2s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--surface);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  width: 500px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  transform: scale(.96) translateY(8px);
  transition: transform .2s;
}
.modal-overlay.open .modal { transform: scale(1) translateY(0); }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px 0;
}
.modal-header h2 { font-size: 16px; font-weight: 600; }
.modal-body { padding: 20px 24px; }
.modal-footer {
  display: flex; justify-content: flex-end; gap: 8px;
  padding: 0 24px 20px;
}

/* ══════════════════════════════════════════════
   HOME PAGE
══════════════════════════════════════════════ */
.home-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  height: 60px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  position: sticky; top: 0; z-index: 50;
  box-shadow: var(--shadow);
}
.logo {
  font-size: 17px; font-weight: 700;
  color: var(--accent);
  display: flex; align-items: center; gap: 8px;
  text-decoration: none;
}
.home-main { padding: 36px 28px; max-width: 1240px; margin: 0 auto; }
.section-heading {
  font-size: 15px; font-weight: 600; color: var(--text);
  margin-bottom: 18px;
  display: flex; align-items: center; justify-content: space-between;
}
.templates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 16px;
}
.template-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow .15s, transform .15s;
  position: relative;
  display: flex; flex-direction: column;
}
.template-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.template-thumb {
  width: 100%; aspect-ratio: 4/3;
  background: var(--bg);
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--border);
}
.template-thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.template-info { padding: 11px 12px 12px; flex: 1; }
.template-name { font-weight: 500; font-size: 13px; margin-bottom: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.template-meta { font-size: 11px; color: var(--text-3); }
.template-actions {
  position: absolute; top: 8px; right: 8px;
  display: flex; gap: 4px;
  opacity: 0; transition: opacity .15s;
}
.template-card:hover .template-actions { opacity: 1; }
.template-actions .btn {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
  border-color: var(--border);
}

.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 64px 24px; text-align: center; gap: 10px;
}
.empty-icon { font-size: 52px; opacity: .25; }
.empty-state h3 { font-size: 15px; font-weight: 600; color: var(--text-2); }
.empty-state p { font-size: 13px; color: var(--text-3); max-width: 300px; }

/* New Card Modal */
.size-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 8px; margin-bottom: 6px;
}
.size-option {
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 10px 6px;
  text-align: center;
  cursor: pointer;
  transition: border-color .12s, background .12s;
}
.size-option:hover { border-color: var(--accent); background: var(--accent-light); }
.size-option.selected { border-color: var(--accent); background: var(--accent-light); }
.size-option-preview {
  display: flex; align-items: center; justify-content: center;
  height: 40px; margin-bottom: 5px;
}
.size-box {
  background: var(--accent-light);
  border: 1.5px solid var(--accent);
  border-radius: 2px;
  opacity: .7;
}
.size-option.selected .size-box { opacity: 1; }
.size-label { font-weight: 600; font-size: 13px; color: var(--text); line-height: 1.2; }
.size-desc { font-size: 10px; color: var(--text-3); margin-top: 1px; }

.custom-fields { display: none; }
.custom-fields.visible { display: block; }
.size-inputs-row { display: grid; grid-template-columns: 1fr 20px 1fr auto; gap: 6px; align-items: end; margin-top: 10px; }
.size-sep { display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--text-3); padding-bottom: 6px; }

.orient-row { display: flex; gap: 6px; margin-top: 10px; }
.orient-btn {
  flex: 1; padding: 8px 6px; border: 2px solid var(--border); border-radius: 6px;
  background: var(--surface); cursor: pointer; font-size: 12px; font-weight: 500;
  color: var(--text-2); text-align: center; font-family: inherit;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  transition: border-color .12s, background .12s, color .12s;
}
.orient-btn.selected { border-color: var(--accent); background: var(--accent-light); color: var(--accent); }
.orient-preview {
  background: var(--accent-light);
  border: 1.5px solid var(--accent);
  border-radius: 2px;
}

/* ══════════════════════════════════════════════
   EDITOR PAGE
══════════════════════════════════════════════ */
.editor-page {
  display: flex; flex-direction: column;
  height: 100vh; overflow: hidden;
  background: var(--bg);
}

/* ─ Topbar ─ */
.topbar {
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 10px;
  gap: 6px;
  flex-shrink: 0;
  z-index: 10;
  box-shadow: var(--shadow);
}
.topbar-logo {
  font-size: 15px; font-weight: 700; color: var(--accent);
  padding: 0 4px; flex-shrink: 0;
  display: flex; align-items: center; gap: 6px;
}
.topbar-sep { width: 1px; height: 22px; background: var(--border); margin: 0 4px; flex-shrink: 0; }
.topbar-center { flex: 1; display: flex; justify-content: center; align-items: center; }
.title-input {
  font-size: 13px; font-weight: 500; text-align: center;
  border: 1px solid transparent; background: transparent;
  width: 220px; padding: 5px 8px; border-radius: 6px; color: var(--text);
  cursor: pointer; font-family: inherit; outline: none;
  transition: border-color .12s, background .12s;
}
.title-input:hover { border-color: var(--border); }
.title-input:focus { border-color: var(--accent); background: var(--surface); box-shadow: 0 0 0 3px rgba(99,102,241,.12); cursor: text; }
.size-badge {
  font-size: 11px; color: var(--text-3); margin-left: 6px;
  background: var(--bg); padding: 2px 7px; border-radius: 10px;
  border: 1px solid var(--border); white-space: nowrap;
}
.topbar-right { display: flex; align-items: center; gap: 6px; }

/* ─ Body ─ */
.editor-body {
  flex: 1; display: flex; overflow: hidden;
}

/* ─ Left Sidebar ─ */
.left-panel {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow-y: auto; overflow-x: hidden;
  flex-shrink: 0;
}
.panel-section { padding: 12px; }
.panel-section + .panel-section { border-top: 1px solid var(--border); }
.panel-section-title {
  font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .07em;
  color: var(--text-3); margin-bottom: 8px;
}
.tools-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; }
.tool-btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 9px 6px;
  border: 1px solid var(--border); border-radius: 7px;
  background: var(--surface); cursor: pointer;
  font-size: 11px; font-weight: 500; color: var(--text-2);
  font-family: inherit;
  transition: background .1s, border-color .1s, color .1s;
}
.tool-btn:hover { background: var(--accent-light); border-color: var(--accent); color: var(--accent); }
.tool-btn svg { width: 18px; height: 18px; }

.bg-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.bg-row label { margin: 0; }
.bg-type-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin-bottom: 10px; }
.bg-dir-row  { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.bg-type-btn {
  padding: 5px 4px; font-size: 11px; font-weight: 500;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--surface); cursor: pointer; font-family: inherit;
  color: var(--text-2); transition: all .12s; text-align: center;
}
.bg-type-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.bg-type-btn:hover:not(.active) { background: var(--bg); color: var(--text); }
.color-swatch-btn {
  width: 28px; height: 28px; border-radius: 6px;
  border: 2px solid var(--border); cursor: pointer;
  position: relative; overflow: hidden; flex-shrink: 0;
}
.color-swatch-btn input[type="color"] {
  position: absolute; inset: -4px; opacity: 0; cursor: pointer;
  width: calc(100% + 8px); height: calc(100% + 8px);
  border: none; padding: 0;
}

/* ─ Canvas Area ─ */
.canvas-area {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
  background: #8b9eb5;
  background-image: radial-gradient(circle, rgba(255,255,255,.18) 1px, transparent 1px);
  background-size: 20px 20px;
}
.canvas-wrap {
  position: relative;
  box-shadow: 0 6px 40px rgba(0,0,0,.3), 0 1px 4px rgba(0,0,0,.2);
}
#mainCanvas { display: block; }

.zoom-bar {
  position: absolute; bottom: 16px; left: 50%;
  transform: translateX(-50%);
  display: flex; align-items: center; gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 6px;
  box-shadow: var(--shadow-md);
}
.zoom-pct { font-size: 12px; color: var(--text-2); min-width: 40px; text-align: center; font-weight: 500; }

/* ─ Right Properties Panel ─ */
.right-panel {
  width: var(--props-w);
  background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow-y: auto; overflow-x: hidden;
  flex-shrink: 0;
}
.props-placeholder {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 24px; text-align: center; gap: 8px;
  color: var(--text-3);
}
.props-placeholder svg { opacity: .25; }
.props-placeholder p { font-size: 12px; line-height: 1.5; }

.prop-section { padding: 12px; border-bottom: 1px solid var(--border); }
.prop-section-title {
  font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .07em;
  color: var(--text-3); margin-bottom: 10px;
}
.prop-row { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.prop-row:last-child { margin-bottom: 0; }
.prop-row.col { flex-direction: column; align-items: stretch; }
.prop-label { font-size: 11px; color: var(--text-2); flex-shrink: 0; width: 28px; font-weight: 500; }
.prop-label.wide { width: 48px; }
.prop-field { flex: 1; }

/* Toggle buttons */
.toggle-group { display: flex; }
.tgl-btn {
  flex: 1; padding: 5px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  color: var(--text-2);
  display: flex; align-items: center; justify-content: center;
  transition: background .1s, color .1s;
  font-family: inherit;
}
.tgl-btn:first-child { border-radius: 6px 0 0 6px; }
.tgl-btn:last-child { border-radius: 0 6px 6px 0; }
.tgl-btn + .tgl-btn { border-left: none; }
.tgl-btn.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.tgl-btn:hover:not(.on) { background: var(--bg); }
.tgl-btn svg { width: 14px; height: 14px; }

/* Color row */
.color-row { display: flex; align-items: center; gap: 6px; }
.color-chip {
  width: 28px; height: 28px; border-radius: 5px;
  border: 2px solid var(--border); cursor: pointer;
  position: relative; flex-shrink: 0; overflow: hidden;
}
.color-chip input[type="color"] {
  position: absolute; inset: -4px; opacity: 0; cursor: pointer;
  width: calc(100% + 8px); height: calc(100% + 8px);
  border: none; padding: 0;
}
.color-hex { flex: 1; font-size: 12px; font-family: monospace; }

/* Range slider */
input[type="range"] {
  width: 100%; height: 4px; accent-color: var(--accent); cursor: pointer;
}
.range-row { display: flex; align-items: center; gap: 8px; }
.range-val { font-size: 12px; color: var(--text-2); min-width: 30px; text-align: right; font-weight: 500; }

/* Layer buttons */
.layer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }

/* Dropdown (export) */
.dropdown-wrap { position: relative; }
.dropdown-menu {
  position: absolute; top: calc(100% + 4px); right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  z-index: 200; min-width: 160px;
  overflow: hidden; display: none;
}
.dropdown-menu.open { display: block; }
.dd-item {
  padding: 9px 14px; cursor: pointer; font-size: 13px;
  display: flex; align-items: center; gap: 8px;
  transition: background .1s;
}
.dd-item:hover { background: var(--bg); }
.dd-sep { height: 1px; background: var(--border); margin: 2px 0; }

/* Filter preset buttons */
.filter-presets { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.filter-btn {
  padding: 5px 3px; border: 1px solid var(--border); border-radius: 5px;
  background: var(--surface); cursor: pointer; font-size: 11px; font-weight: 500;
  color: var(--text-2); text-align: center; font-family: inherit;
  transition: background .1s, border-color .1s, color .1s;
}
.filter-btn:hover { background: var(--bg); }
.filter-btn.on { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Text effect buttons */
.effect-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.effect-btn {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 8px 4px; border: 1px solid var(--border); border-radius: 7px;
  background: var(--surface); cursor: pointer; font-size: 10px; font-weight: 500;
  color: var(--text-2); font-family: inherit;
  transition: background .1s, border-color .1s, color .1s;
}
.effect-btn:hover { background: var(--accent-light); border-color: var(--accent); color: var(--accent); }
.effect-btn.on { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Arc floating text editor bar */
#arcEditBar {
  position: fixed; z-index: 5000; display: none;
  align-items: center; gap: 10px;
  background: var(--surface); border: 2px solid var(--accent);
  border-radius: 10px; padding: 8px 14px;
  box-shadow: 0 6px 24px rgba(0,0,0,.3);
  transform: translateX(-50%);
  pointer-events: auto;
  white-space: nowrap;
}
#arcEditBar.open { display: flex; }
#arcEditInput {
  border: none; outline: none; background: transparent;
  font-size: 14px; color: var(--text-1); min-width: 160px; max-width: 320px;
  font-family: inherit;
}

/* Font picker */
.font-picker { position: relative; }
.fp-trigger {
  display: flex; align-items: center; justify-content: space-between; gap: 6px;
  padding: 0 10px; height: 34px; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 6px;
  cursor: pointer; font-size: 14px; color: var(--text-1); user-select: none;
  transition: border-color .1s;
}
.fp-trigger:hover, .font-picker.open .fp-trigger { border-color: var(--accent); }
.fp-trigger svg { flex-shrink: 0; color: var(--text-3); }
.fp-list {
  display: none; position: absolute; top: calc(100% + 4px); left: 0; right: 0; z-index: 9999;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 8px 28px rgba(0,0,0,.24); max-height: 260px; overflow-y: auto; padding: 4px;
}
.font-picker.open .fp-list { display: block; }
.fp-item {
  padding: 7px 10px; border-radius: 5px; cursor: pointer; font-size: 16px;
  color: var(--text-1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: background .08s;
}
.fp-item:hover { background: var(--accent-light); color: var(--accent); }
.fp-item.sel { background: var(--accent-light); color: var(--accent); font-weight: 600; }

/* Shapes panel */
.shapes-panel { display: none; margin-top: 6px; }
.shapes-panel.open { display: block; }
.shapes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.shape-btn {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 8px 4px; border: 1px solid var(--border); border-radius: 7px;
  background: var(--surface-2); cursor: pointer; font-size: 10px; font-weight: 500;
  color: var(--text-2); font-family: inherit;
  transition: background .1s, border-color .1s, color .1s;
}
.shape-btn:hover { background: var(--accent-light); border-color: var(--accent); color: var(--accent); }

/* Checkerboard for transparent background indicator */
.checker-bg {
  background-image:
    linear-gradient(45deg, #ccc 25%, transparent 25%),
    linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%),
    linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
}