/* ===========================================================
   Design Editor — Restyled for premium aesthetics
   Glassmorphism, fluid micro-animations, and cleaner UX
   =========================================================== */

.ked-host { position: fixed; inset: 0; z-index: 50; background: var(--bg); }
.ked { height: 100%; display: grid; grid-template-rows: 60px 1fr; color: var(--text); font-family: var(--font); }

/* ---------------- Top bar ---------------- */
.ked-bar {
  display: flex; align-items: center; gap: 10px; padding: 0 16px;
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
  z-index: 10;
}
.ked-back {
  display: inline-flex; align-items: center; gap: 6px; 
  background: transparent; border: none;
  color: var(--text-2); font-weight: 600; font-size: var(--fs-sm); padding: 8px; margin-right: 4px;
  border-radius: var(--r-sm); transition: all var(--speed) var(--ease); cursor: pointer;
}
.ked-back:hover { background: var(--surface-hover); color: var(--text); transform: translateX(-2px); }

.ked-name {
  font-weight: 700; font-size: var(--fs-md); border: 1px solid transparent; background: transparent;
  color: var(--text); padding: 7px 10px; border-radius: var(--r-sm); max-width: 230px; min-width: 120px;
  transition: all var(--speed) var(--ease);
}
.ked-name:hover { background: color-mix(in srgb, var(--surface-hover) 50%, transparent); }
.ked-name:focus { border-color: var(--brand); background: var(--surface-2); outline: none; box-shadow: var(--ring); }

.ked-save { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-xs); color: var(--text-muted); font-weight: 600; padding-left: 2px; }
.ked-save::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 22%, transparent); }
.ked-grow { flex: 1; }
.ked-sep { width: 1px; align-self: center; height: 26px; background: color-mix(in srgb, var(--border) 50%, transparent); margin: 0 4px; }

.ked-btn {
  display: inline-flex; align-items: center; gap: 7px; height: 38px; padding: 0 14px;
  background: var(--surface); color: var(--text); 
  border: 1px solid color-mix(in srgb, var(--border) 60%, transparent); 
  border-radius: var(--r-sm);
  cursor: pointer; font-size: var(--fs-sm); font-weight: 600; font-family: inherit; white-space: nowrap;
  transition: all var(--speed) var(--ease);
}
.ked-btn:hover { background: var(--surface-hover); border-color: var(--border-strong); transform: translateY(-1px); box-shadow: var(--shadow); }
.ked-btn:active { transform: translateY(1px); box-shadow: none; }
.ked-btn:disabled { opacity: 0.4; cursor: default; transform: none; box-shadow: none; }

.ked-btn.primary { background: var(--brand); border-color: var(--brand); color: var(--on-brand); box-shadow: 0 4px 12px rgba(99,102,241,0.28); }
.ked-btn.primary:hover { background: var(--brand-strong); border-color: var(--brand-strong); box-shadow: 0 6px 16px rgba(99,102,241,0.4); transform: translateY(-2px); }
.ked-btn.accent { background: linear-gradient(135deg, var(--brand), var(--accent)); border: none; color: #fff; box-shadow: 0 4px 12px rgba(99,102,241,0.3); }
.ked-btn.accent:hover { box-shadow: 0 6px 16px rgba(99,102,241,0.5); transform: translateY(-2px); }

#undoBtn, #redoBtn { width: 38px; padding: 0; justify-content: center; color: var(--text-2); background: transparent; border-color: transparent; box-shadow: none; }
#undoBtn:hover, #redoBtn:hover { background: var(--surface-hover); color: var(--text); transform: scale(1.05); }

/* ---------------- Workspace ---------------- */
.ked-main { display: grid; grid-template-columns: 260px 1fr 320px; overflow: hidden; min-height: 0; background: var(--bg-elev); }

.ked-left, .ked-right { 
  background: color-mix(in srgb, var(--surface) 75%, transparent); 
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  overflow-y: auto; padding: 24px 20px; min-height: 0; z-index: 5;
}
.ked-left { border-right: 1px solid color-mix(in srgb, var(--border) 50%, transparent); box-shadow: 4px 0 24px rgba(0,0,0,0.02); }
.ked-right { border-left: 1px solid color-mix(in srgb, var(--border) 50%, transparent); box-shadow: -4px 0 24px rgba(0,0,0,0.02); }

.ked aside::-webkit-scrollbar { width: 8px; }
.ked aside::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; border: 2px solid transparent; background-clip: content-box; }

.ked aside h2 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted);
  margin-bottom: 14px; font-weight: 800; display: flex; justify-content: space-between; align-items: center;
}
.ked hr { border: none; border-top: 1px solid color-mix(in srgb, var(--border) 40%, transparent); margin: 24px 0 20px; }
.ked .hint { font-size: 12px; color: var(--text-muted); margin-top: 10px; line-height: 1.5; }
.ked .hint b, .ked .hint strong { color: var(--text-2); }

/* Add-element + stacked buttons */
.add-section { display: flex; flex-direction: column; gap: 8px; }
.add-section button {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  background: var(--surface-2); color: var(--text); border: 1px solid transparent;
  padding: 12px 14px; border-radius: var(--r-sm); cursor: pointer; font-size: var(--fs-sm);
  font-weight: 600; font-family: inherit; transition: all var(--speed) var(--ease);
}
.add-section button svg { color: var(--text-muted); transition: color var(--speed); }
.add-section button:hover { background: var(--surface-hover); border-color: color-mix(in srgb, var(--border) 60%, transparent); transform: translateY(-1px); box-shadow: var(--shadow); }
.add-section button:hover svg { color: var(--brand); }
.add-section button.danger:hover svg { color: var(--danger); }

/* Photo tray */
.media-tray { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; max-height: 320px; overflow-y: auto; margin-top: 12px; padding-bottom: 4px; padding-right: 4px; }
.media-tile { position: relative; background: var(--checker), var(--surface-2); border: 1px solid color-mix(in srgb, var(--border) 40%, transparent); border-radius: var(--r-sm); aspect-ratio: 1; overflow: hidden; cursor: grab; transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); }
.media-tile:hover { border-color: var(--brand); transform: scale(1.04) translateY(-2px); box-shadow: 0 8px 16px rgba(0,0,0,0.1); z-index: 2; }
.media-tile:active { cursor: grabbing; transform: scale(0.98); }
.media-tile img { width: 100%; height: 100%; object-fit: cover; display: block; pointer-events: none; }
.media-empty { font-size: 12px; color: var(--text-muted); line-height: 1.5; padding: 16px 4px; grid-column: 1 / -1; text-align: center; background: color-mix(in srgb, var(--surface-2) 50%, transparent); border-radius: var(--r-sm); border: 1px dashed var(--border); }
.media-hint { font-size: 12px; color: var(--text-muted); margin-top: 12px; line-height: 1.5; }

/* ---------------- Canvas ---------------- */
.canvas-wrap { position: relative; background: var(--bg-elev); overflow: hidden; min-width: 0; min-height: 0; }
.canvas-wrap.drag-over { outline: 3px dashed var(--brand); outline-offset: -3px; }
#c { display: block; }

.canvas-hint {
  position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
  background: color-mix(in srgb, var(--surface) 60%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid color-mix(in srgb, var(--border) 40%, transparent); padding: 8px 20px; border-radius: var(--r-pill);
  font-size: 12px; font-weight: 500; color: var(--text-2); pointer-events: none; z-index: 20; box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.zoom-bar {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; gap: 4px; align-items: center;
  background: color-mix(in srgb, var(--surface) 75%, transparent); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid color-mix(in srgb, var(--border) 40%, transparent); padding: 6px; border-radius: var(--r-pill);
  z-index: 20; box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}
.zoom-bar button { display: flex; align-items: center; justify-content: center; background: transparent; color: var(--text-2); border: none; min-width: 36px; height: 32px; padding: 0 12px; border-radius: var(--r-pill); cursor: pointer; font-size: var(--fs-sm); font-weight: 600; transition: all var(--speed); }
.zoom-bar button:hover { background: var(--surface-hover); color: var(--text); transform: scale(1.05); }
.zoom-bar button svg { color: inherit; }
.zoom-bar .z-label { min-width: 52px; text-align: center; font-size: 12px; font-weight: 700; color: var(--text); }

/* ---------------- Property controls ---------------- */
.prop { margin-bottom: 16px; }
.prop label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 8px; font-weight: 700; }
.prop label.inline { text-transform: none; letter-spacing: 0; color: var(--text); font-size: var(--fs-sm); font-weight: 600; cursor: pointer; display: flex; align-items: center; gap: 6px; }

.prop input[type=text], .prop input[type=number], .prop select, .prop textarea {
  width: 100%; background: var(--surface-2); border: 1px solid color-mix(in srgb, var(--border) 50%, transparent); color: var(--text);
  padding: 10px 12px; border-radius: var(--r-sm); font-size: var(--fs-sm); font-family: inherit; outline: none;
  transition: all var(--speed); box-shadow: inset 0 1px 2px rgba(0,0,0,0.02);
}
.prop input:focus, .prop select:focus, .prop textarea:focus { border-color: var(--brand); box-shadow: var(--ring); background: var(--surface); }

.prop input[type=color] { width: 100%; height: 40px; border: 1px solid color-mix(in srgb, var(--border) 50%, transparent); border-radius: var(--r-sm); background: var(--surface-2); cursor: pointer; padding: 4px; transition: all var(--speed); }
.prop input[type=color]:hover { border-color: var(--brand); box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
.prop input[type=color]::-webkit-color-swatch-wrapper { padding: 0; }
.prop input[type=color]::-webkit-color-swatch { border: 1px solid var(--border-strong); border-radius: 6px; }
.prop input[type=color]::-moz-color-swatch { border: 1px solid var(--border-strong); border-radius: 6px; }

.prop input[type=range] { width: 100%; accent-color: var(--brand); height: 22px; cursor: pointer; }
.prop textarea { resize: vertical; min-height: 64px; line-height: 1.5; }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }

/* Generic panel buttons */
.ked .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--surface-2); color: var(--text); border: 1px solid color-mix(in srgb, var(--border) 50%, transparent); padding: 10px 14px; border-radius: var(--r-sm); cursor: pointer; font-size: var(--fs-sm); font-weight: 600; font-family: inherit; transition: all var(--speed) var(--ease); }
.ked .btn svg { opacity: 0.7; }
.ked .btn:hover { background: var(--surface-hover); border-color: var(--border-strong); transform: translateY(-1px); box-shadow: var(--shadow); }
.ked .btn:active { transform: translateY(1px); box-shadow: none; }
.ked .btn.on { background: var(--brand); border-color: var(--brand); color: var(--on-brand); box-shadow: 0 4px 14px rgba(99,102,241,0.3); }
.ked .btn.on:hover { background: var(--brand-strong); box-shadow: 0 6px 18px rgba(99,102,241,0.4); transform: translateY(-2px); }
.ked .btn.on svg { opacity: 1; }
.ked .btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 30%, transparent); background: color-mix(in srgb, var(--danger) 8%, transparent); }
.ked .btn.danger:hover { background: color-mix(in srgb, var(--danger) 15%, transparent); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }

.swatches { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.swatch { width: 28px; height: 28px; border-radius: 50%; border: 2px solid color-mix(in srgb, var(--border-strong) 50%, transparent); cursor: pointer; padding: 0; display: inline-block; vertical-align: middle; transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); box-shadow: 0 2px 4px rgba(0,0,0,0.05); }
.swatch:hover { transform: scale(1.2); border-color: var(--text); box-shadow: 0 4px 12px rgba(0,0,0,0.15); z-index: 2; }

.badge { display: inline-block; background: var(--brand); color: #fff; font-size: 10px; padding: 3px 8px; border-radius: 6px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 800; box-shadow: 0 2px 6px rgba(99,102,241,0.3); }

.empty { color: var(--text-muted); font-size: var(--fs-sm); padding: 24px 12px; text-align: center; line-height: 1.6; background: color-mix(in srgb, var(--surface-2) 50%, transparent); border: 1px dashed var(--border); border-radius: var(--r); }

.locked-banner { background: color-mix(in srgb, var(--warning) 12%, transparent); border: 1px solid color-mix(in srgb, var(--warning) 30%, transparent); color: var(--text); font-weight: 700; font-size: var(--fs-sm); text-align: center; padding: 14px; border-radius: var(--r-sm); }

.card { background: color-mix(in srgb, var(--surface-2) 60%, transparent); border: 1px solid color-mix(in srgb, var(--border) 50%, transparent); border-radius: var(--r); padding: 16px; margin-bottom: 16px; transition: all var(--speed); }
.card:hover { border-color: var(--border-strong); box-shadow: 0 4px 12px rgba(0,0,0,0.02); }
.card h3 { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--brand-strong); margin-bottom: 12px; font-weight: 800; }
[data-theme='dark'] .card h3 { color: #c4b5fd; }

.board-row { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--r-sm); cursor: pointer; transition: all var(--speed); border: 1px solid transparent; }
.board-row:hover { background: var(--surface-hover); border-color: color-mix(in srgb, var(--border) 50%, transparent); transform: translateX(2px); }
.board-row.active { background: var(--brand-soft); border-color: color-mix(in srgb, var(--brand) 20%, transparent); }
.board-row input[type=checkbox] { accent-color: var(--brand); width: 16px; height: 16px; cursor: pointer; }
.board-row .bname { flex: 1; font-size: var(--fs-sm); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-row .bx { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 14px; padding: 4px; border-radius: 6px; display: flex; align-items: center; justify-content: center; transition: all var(--speed); }
.board-row .bx:hover { color: var(--danger); background: color-mix(in srgb, var(--danger) 10%, transparent); }

.eyedrop-active, .eyedrop-active * { cursor: crosshair !important; }

/* Responsive: collapse panels on narrow screens */
@media (max-width: 1024px) {
  .ked-main { grid-template-columns: 1fr; }
  .ked-left, .ked-right { position: absolute; top: 60px; bottom: 0; width: 280px; z-index: 8; box-shadow: 0 0 32px rgba(0,0,0,0.1); }
  .ked-left { left: 0; }
  .ked-right { right: 0; }
}