/* ═══════════════════════════════════════════════════════════════
   Weavetab · UI Design System
   ═══════════════════════════════════════════════════════════════ */

/* ── SHARED TOKENS (Light theme default) ─────────────────────── */
:root {
  --wt-bg: #ffffff;
  --wt-bg-panel: #f9f9fb;
  --wt-bg-item: #f0f0f3;
  --wt-bg-hover: #e8e8ec;
  --wt-border: #e4e4e7;
  --wt-border-hi: #d4d4d8;
  --wt-blue: #3b82f6;
  --wt-blue-dark: #2563eb;
  --wt-blue-light: #60a5fa;
  --wt-green: #16a34a;
  --wt-green-bg: #f0fdf4;
  --wt-red: #ef4444;
  --wt-red-bg: #fef2f2;
  --wt-text: #18181b;
  --wt-text-secondary: #52525b;
  --wt-text-muted: #a1a1aa;
  --wt-text-dim: #d4d4d8;
  --wt-text-bright: #09090b;
  --wt-shadow: 0 1px 3px rgba(0,0,0,0.08);
  --wt-shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
  --wt-radius: 10px;
  --wt-radius-sm: 6px;
}

[data-theme='dark'] {
  --wt-bg: #09090b;
  --wt-bg-panel: #111113;
  --wt-bg-item: #18181b;
  --wt-bg-hover: #27272a;
  --wt-border: #27272a;
  --wt-border-hi: #3f3f46;
  --wt-blue: #3b82f6;
  --wt-blue-dark: #60a5fa;
  --wt-blue-light: #93c5fd;
  --wt-green: #22c55e;
  --wt-green-bg: #052e16;
  --wt-red: #f87171;
  --wt-red-bg: #450a0a;
  --wt-text: #fafafa;
  --wt-text-secondary: #a1a1aa;
  --wt-text-muted: #71717a;
  --wt-text-dim: #3f3f46;
  --wt-text-bright: #fafafa;
  --wt-shadow: 0 1px 3px rgba(0,0,0,0.4);
  --wt-shadow-lg: 0 4px 12px rgba(0,0,0,0.5);
}

/* ── COMPONENT: Thought Bubble ──────────────────────────────── */
.wt-bubble {
  background: var(--wt-bg);
  border: 1px solid var(--wt-border);
  padding: 6px 10px;
  max-width: 320px;
  display: inline-flex;
  align-items: flex-start;
  gap: 7px;
  font-size: 11px;
  color: var(--wt-text-secondary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  position: relative;
}

.wt-bubble-icon {
  flex-shrink: 0;
  margin-top: 1px;
  opacity: .75;
}

.wt-bubble-cursor {
  display: inline-block;
  width: 5px;
  height: 11px;
  background: var(--wt-blue);
  vertical-align: middle;
  animation: wt-blink 1s steps(1) infinite;
  margin-left: 2px;
}

@keyframes wt-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* ── COMPONENT: Chat Input Row ──────────────────────────────── */
.wt-chat {
  display: inline-flex;
}

.wt-chat-in {
  flex: 1;
  padding: 5px 10px;
  background: var(--wt-bg-item);
  border: 1px solid var(--wt-border);
  border-right: none;
  color: var(--wt-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 11px;
  outline: none;
  min-width: 200px;
  caret-color: var(--wt-blue);
  border-radius: var(--wt-radius-sm) 0 0 var(--wt-radius-sm);
}

.wt-chat-in::placeholder {
  color: var(--wt-text-muted);
}

.wt-chat-in:focus {
  border-color: var(--wt-blue);
}

.wt-chat-go {
  padding: 5px 12px;
  background: var(--wt-blue);
  border: 1px solid var(--wt-blue);
  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  border-radius: 0 var(--wt-radius-sm) var(--wt-radius-sm) 0;
  transition: background 0.15s;
}

.wt-chat-go:hover {
  background: var(--wt-blue-dark);
}

/* ── ANIMATIONS ──────────────────────────────────────────────── */
@keyframes wt-bubble-in {
  from { opacity: 0; transform: scale(0.88) translateY(5px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes wt-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes wt-scale-in {
  from { transform: scale(0.96); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes wt-bubble-out {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(6px); }
}

@keyframes wt-smooth-fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes wt-smooth-fade-out {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(10px); }
}

/* ── IN-PROGRESS TASK PULSE ─────────────────────────────────── */
@keyframes wt-task-pulse {
  0%   { border-left-color: var(--wt-blue); }
  50%  { border-left-color: var(--wt-blue-light); }
  100% { border-left-color: var(--wt-blue); }
}

/* ── TOP-BAR SHIMMER ─────────────────────────────────────────── */
@keyframes wt-shimmer {
  0%   { left: -60%; }
  100% { left: 120%; }
}

/* ── COMPONENT: Badges ──────────────────────────────────────── */
.wt-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 6px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  color: #fff;
  border-radius: 4px;
  letter-spacing: 0.03em;
}

.wt-badge-beta {
  background: #f59e0b;
}

.wt-badge-dev {
  background: var(--wt-blue);
}

/* ── PLACEHOLDER STYLING ─────────────────────────────────────── */
#wt-msg-input::placeholder {
  color: var(--wt-text-muted);
  font-size: 11px;
}

#wt-msg-input:focus::placeholder {
  color: var(--wt-text-secondary);
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 480px) {
  .wt-bubble {
    max-width: 280px !important;
  }
}

/* ── ACTION RIPPLE ANIMATION ─────────────────────────────────── */
@keyframes __wt_ripple_expand {
  0%   { transform: scale(1); opacity: 1; }
  100% { transform: scale(7.5); opacity: 0; }
}