/*
  components.css — AgentDraw canvas UI components.
  Bottom-centered floating toolbar (Excalidraw/FigJam style).
*/

/* ═══════════════════════════════════════════
   HEADER — slim, minimal
═══════════════════════════════════════════ */
.cs-header {
  height: 48px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 8px;
  flex-shrink: 0;
  z-index: 200;
}

.cs-logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 700; color: var(--text);
  letter-spacing: -0.3px; white-space: nowrap; margin-right: 4px;
}
.cs-logo-mark {
  width: 26px; height: 26px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; flex-shrink: 0;
  box-shadow: 0 0 12px var(--accent-glow);
}

.cs-divider { width: 1px; height: 22px; background: var(--border); flex-shrink: 0; }
.cs-header-group { display: flex; align-items: center; gap: 2px; }

.cs-hbtn {
  height: 28px; padding: 0 10px;
  background: transparent; border: 1px solid transparent;
  border-radius: 6px; cursor: pointer;
  font: 500 12px 'DM Sans', sans-serif; color: var(--text-2);
  display: flex; align-items: center; gap: 5px; white-space: nowrap;
  transition: background 0.13s, border-color 0.13s, color 0.13s;
}
.cs-hbtn:hover { background: var(--surface-2); border-color: var(--border); color: var(--text); }
.cs-hbtn.accent { background: var(--accent); color: white; border-color: transparent; }
.cs-hbtn.accent:hover { background: var(--accent-2); box-shadow: var(--shadow-accent); }

#theme-toggle {
  width: 28px; height: 28px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 6px; cursor: pointer; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.13s, transform 0.22s; flex-shrink: 0;
}
#theme-toggle:hover { background: var(--surface-3); transform: rotate(22deg); }

.cs-tool-indicator {
  margin-left: auto;
  display: flex; align-items: center; gap: 6px;
  font: 500 11px 'DM Mono', monospace; color: var(--text-3);
  padding: 3px 9px; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 16px;
}
.cs-tool-dot {
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent);
  animation: toolPulse 2.4s ease-in-out infinite;
}
@keyframes toolPulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:0.35; transform:scale(1.7); }
}

/* ═══════════════════════════════════════════
   WORKSPACE
═══════════════════════════════════════════ */
.workspace { display: flex; flex: 1; overflow: hidden; }

#canvas-area {
  flex: 1; position: relative; overflow: hidden;
  background-color: var(--canvas-bg);
  background-image: radial-gradient(circle at 1px 1px, var(--grid-color) 1px, transparent 0);
  background-size: 24px 24px;
}

/* ═══════════════════════════════════════════
   BOTTOM TOOLBAR
═══════════════════════════════════════════ */
#toolbar {
  position: absolute;
  bottom: 20px; left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex; align-items: center; gap: 2px;
  padding: 5px 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25), 0 2px 8px rgba(0,0,0,0.12);
  width: max-content;
}

.cs-tool-btn {
  width: 42px; height: 42px;
  background: transparent; border: 1px solid transparent;
  border-radius: 10px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--text-2);
  position: relative;
  transition: background 0.13s, color 0.13s, transform 0.13s;
  flex-shrink: 0;
}
.cs-tool-btn:hover { background: var(--surface-2); color: var(--text); transform: translateY(-2px); }
.cs-tool-btn.active {
  background: var(--accent); color: white; border-color: transparent;
  box-shadow: 0 2px 14px var(--accent-glow);
}
.cs-tool-btn.active:hover { transform: translateY(-1px); }
.cs-tool-caret {
  position: absolute; bottom: 3px; right: 4px;
  font-size: 5px; color: inherit; opacity: 0.55; line-height: 1;
}
.cs-tool-sep { width: 1px; height: 26px; background: var(--border); margin: 0 4px; flex-shrink: 0; }

.cs-tool-tip {
  position: absolute;
  bottom: calc(100% + 10px); left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--tooltip-bg); border: 1px solid var(--border);
  color: var(--text); font: 500 11px 'DM Sans', sans-serif;
  padding: 4px 9px; border-radius: 6px;
  white-space: nowrap; pointer-events: none; z-index: 500;
  opacity: 0; transition: opacity 0.12s, transform 0.12s;
  box-shadow: var(--shadow);
}
.cs-tool-btn:hover .cs-tool-tip { opacity: 1; transform: translateX(-50%) translateY(0); }
.cs-tool-tip kbd {
  display: inline-block; font: 500 9px 'DM Mono', monospace;
  background: rgba(255,255,255,0.1); border-radius: 3px;
  padding: 1px 4px; margin-left: 5px; color: var(--text-3);
}

/* ═══════════════════════════════════════════
   SHAPE PICKER POPUP
═══════════════════════════════════════════ */
.cs-shape-picker {
  position: fixed; z-index: 400;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 10px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.28);
  display: none;
  animation: popIn 0.16s cubic-bezier(0.34,1.56,0.64,1);
}
.cs-shape-picker.open { display: block; }
@keyframes popIn {
  from { opacity:0; transform:scale(0.9) translateY(8px); }
  to   { opacity:1; transform:scale(1) translateY(0); }
}
.cs-picker-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.cs-picker-btn {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid transparent;
  border-radius: 8px; cursor: pointer; color: var(--text-2);
  transition: background 0.13s, border-color 0.13s, color 0.13s, transform 0.13s;
}
.cs-picker-btn:hover {
  background: var(--surface-2); border-color: var(--accent);
  color: var(--accent); transform: scale(1.12);
}
.cs-picker-btn.active { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }
.cs-picker-btn svg { pointer-events: none; }

/* ═══════════════════════════════════════════
   RIGHT PANEL
═══════════════════════════════════════════ */
#panel {
  width: 238px; background: var(--surface); border-left: 1px solid var(--border);
  display: flex; flex-direction: column; overflow-y: auto; flex-shrink: 0;
  transition: width 0.2s ease, opacity 0.2s ease;
}
#panel.collapsed { width: 0; opacity: 0; pointer-events: none; overflow: hidden; }
#panel::-webkit-scrollbar       { width: 4px; }
#panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

#panel-toggle {
  position: absolute; top: 12px; right: 12px; z-index: 100;
  width: 30px; height: 30px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 7px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; color: var(--text-2); box-shadow: var(--shadow);
  transition: background 0.13s, color 0.13s;
}
#panel-toggle:hover { background: var(--surface-2); color: var(--text); }

.cs-panel-section { padding: 12px 13px; border-bottom: 1px solid var(--border); }
.cs-section-title {
  font: 700 10px 'DM Mono', monospace; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 9px;
  display: flex; justify-content: space-between; align-items: center;
}

.cs-color-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; margin-bottom: 7px; }
.cs-swatch {
  width: 28px; height: 28px; border-radius: 6px; cursor: pointer;
  border: 2px solid transparent; transition: transform 0.13s, box-shadow 0.13s;
}
.cs-swatch:hover { transform: scale(1.2); }
.cs-swatch.active { border-color: white; box-shadow: 0 0 0 2px var(--accent); }
.cs-color-row { display: flex; align-items: center; gap: 7px; margin-top: 4px; }
.cs-color-row label { font: 500 11px 'DM Sans', sans-serif; color: var(--text-2); }
#custom-color { width: 30px; height: 24px; border: 1px solid var(--border); border-radius: 5px; cursor: pointer; padding: 2px; background: var(--surface-2); }

.cs-sticky-row { display: flex; gap: 4px; margin-top: 5px; }
.cs-sticky-swatch {
  width: 26px; height: 26px; border-radius: 5px; cursor: pointer;
  border: 2px solid transparent; transition: transform 0.13s;
}
.cs-sticky-swatch:hover { transform: scale(1.2); }
.cs-sticky-swatch.active { border-color: rgba(0,0,0,0.4); }

.cs-shape-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.cs-shape-btn {
  padding: 7px 4px; background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 7px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  font-size: 15px; color: var(--text);
  transition: background 0.13s, border-color 0.13s, transform 0.13s;
}
.cs-shape-btn:hover { background: var(--surface-3); border-color: var(--accent); transform: translateY(-2px); }
.cs-shape-btn span { font: 600 8px 'DM Sans', sans-serif; color: var(--text-3); }

.cs-prop { margin-bottom: 10px; }
.cs-prop-row { display: flex; justify-content: space-between; margin-bottom: 4px; }
.cs-prop-label { font: 500 11px 'DM Sans', sans-serif; color: var(--text-2); }
.cs-prop-val   { font: 600 11px 'DM Mono', monospace; color: var(--accent); }
.cs-slider {
  width: 100%; height: 4px; border-radius: 2px; background: var(--surface-3);
  outline: none; cursor: pointer; -webkit-appearance: none; appearance: none;
}
.cs-slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); cursor: pointer; border: 2.5px solid var(--bg);
  box-shadow: 0 0 6px var(--accent-glow);
}
.cs-slider::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%; background: var(--accent);
  cursor: pointer; border: 2.5px solid var(--bg);
}

.cs-action-btn {
  width: 100%; padding: 7px 10px; margin-bottom: 3px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 7px;
  cursor: pointer; font: 500 12px 'DM Sans', sans-serif; color: var(--text-2);
  text-align: left; display: flex; align-items: center; gap: 6px;
  transition: background 0.13s, border-color 0.13s, color 0.13s;
}
.cs-action-btn:hover { background: var(--surface-3); border-color: var(--border-hover); color: var(--text); }
.cs-action-btn.danger { color: var(--red); }
.cs-action-btn.danger:hover { background: rgba(239,68,68,0.08); border-color: rgba(239,68,68,0.3); }
.cs-action-btn.success { color: var(--green); }
.cs-action-btn.success:hover { background: rgba(34,197,94,0.08); border-color: rgba(34,197,94,0.3); }

.cs-anim-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3px; }
.cs-anim-btn {
  padding: 5px 4px; border: 1px solid var(--border); background: var(--surface-2);
  border-radius: 6px; cursor: pointer; font: 600 9px 'DM Sans', sans-serif;
  color: var(--text-2); text-align: center;
  transition: background 0.13s, border-color 0.13s, color 0.13s;
}
.cs-anim-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.cs-anim-btn.running { background: var(--accent); color: white; border-color: var(--accent); box-shadow: 0 0 10px var(--accent-glow); }

.cs-hint { font: 400 10px 'DM Sans', sans-serif; color: var(--text-3); line-height: 1.8; }
.cs-kbd {
  display: inline-block; font: 500 9px 'DM Mono', monospace;
  background: var(--kbd-bg); border: 1px solid var(--border);
  border-radius: 3px; padding: 1px 4px; color: var(--text-3); margin: 1px;
}

/* ═══════════════════════════════════════════
   CANVAS OVERLAYS
═══════════════════════════════════════════ */

.cs-zoom {
  position: absolute; bottom: 76px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 3px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 3px 5px;
  box-shadow: var(--shadow); z-index: 50;
}
.cs-zbtn {
  width: 26px; height: 26px; border-radius: 16px;
  background: transparent; border: none; color: var(--text-2); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; transition: background 0.13s, color 0.13s;
}
.cs-zbtn:hover { background: var(--surface-2); color: var(--text); }
.cs-zdiv   { width: 1px; height: 14px; background: var(--border); }
.cs-zlabel {
  font: 600 11px 'DM Mono', monospace; color: var(--text-2);
  min-width: 44px; text-align: center; cursor: pointer;
  padding: 4px 5px; border-radius: 5px; transition: background 0.13s, color 0.13s;
}
.cs-zlabel:hover { background: var(--surface-2); color: var(--text); }

#cursor-eraser {
  position: fixed; pointer-events: none; z-index: 9999;
  width: 22px; height: 22px; border-radius: 50%;
  border: 2px solid var(--red); background: rgba(239,68,68,0.1);
  transform: translate(-50%,-50%); display: none;
}
#cursor-pencil {
  position: fixed; pointer-events: none; z-index: 9999;
  width: 10px; height: 10px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.75);
  box-shadow: 0 0 0 1.5px rgba(0,0,0,0.4);
  transform: translate(-50%,-50%); display: none;
}

#text-editor {
  position: absolute; display: none; z-index: 200;
  background: transparent; border: none; outline: none;
  resize: none; overflow: hidden; padding: 0;
  min-width: 80px; min-height: 30px;
  caret-color: var(--accent);
  font-family: 'DM Sans', system-ui, sans-serif;
}

#toast {
  position: fixed; bottom: 82px; left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--tooltip-bg); border: 1px solid var(--border);
  color: var(--text); padding: 7px 16px;
  border-radius: 20px; font: 500 12px 'DM Sans', sans-serif;
  z-index: 5000; opacity: 0;
  transition: opacity 0.22s, transform 0.22s;
  pointer-events: none; white-space: nowrap; box-shadow: var(--shadow);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

#g-tooltip {
  position: fixed; z-index: 4000;
  background: var(--tooltip-bg); border: 1px solid var(--border);
  color: var(--text); padding: 5px 10px;
  border-radius: 6px; font: 500 11px 'DM Sans', sans-serif;
  pointer-events: none; opacity: 0; transition: opacity 0.12s;
  box-shadow: var(--shadow); white-space: nowrap;
}