/* ===========================================================================
   PostLane component classes
   ===========================================================================
   Real CSS so hover / focus / active states work. The React primitives in
   components/** consume these classNames; consumers that link styles.css get
   them for free. Everything is token-driven — no hard-coded colors.
   =========================================================================== */

/* ---------------------------------------------------------------------------
   Button
   --------------------------------------------------------------------------- */
.pl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
  font-size: var(--text-body);
  line-height: 1;
  cursor: pointer;
  user-select: none;
  transition: color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}
.pl-btn:active { transform: scale(0.97); }
.pl-btn:disabled { opacity: 0.5; pointer-events: none; }
.pl-btn > svg { width: 16px; height: 16px; flex-shrink: 0; }

/* sizes */
.pl-btn--sm { height: 28px; padding: 0 10px; font-size: var(--text-small); }
.pl-btn--md { height: 32px; padding: 0 12px; }
.pl-btn--lg { height: 40px; padding: 0 16px; }

/* variants */
.pl-btn--primary { background: var(--accent); color: var(--accent-fg); }
.pl-btn--primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 3px 10px color-mix(in oklab, var(--accent) 35%, transparent); }
.pl-btn--secondary { background: var(--surface); color: var(--fg); border-color: var(--border); }
.pl-btn--secondary:hover { background: var(--bg-subtle); }
.pl-btn--outline { background: transparent; color: var(--fg); border-color: var(--border); }
.pl-btn--outline:hover { background: var(--bg-subtle); border-color: var(--border-strong); }
.pl-btn--ghost { background: transparent; color: var(--fg); }
.pl-btn--ghost:hover { background: var(--bg-subtle); }
.pl-btn--danger { background: var(--danger); color: var(--danger-fg); }
.pl-btn--danger:hover { filter: brightness(1.08); }
.pl-btn--link { background: transparent; color: var(--accent); padding-left: 0; padding-right: 0; height: auto; }
.pl-btn--link:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ---------------------------------------------------------------------------
   IconButton — square footprint
   --------------------------------------------------------------------------- */
.pl-iconbtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  color: var(--fg-muted);
  background: transparent;
  transition: color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}
.pl-iconbtn:active { transform: scale(0.98); }
.pl-iconbtn:disabled { opacity: 0.5; pointer-events: none; }
.pl-iconbtn > svg { width: 16px; height: 16px; }
.pl-iconbtn--sm { height: 28px; width: 28px; }
.pl-iconbtn--md { height: 32px; width: 32px; }
.pl-iconbtn--lg { height: 40px; width: 40px; }
.pl-iconbtn--ghost:hover { background: var(--bg-subtle); color: var(--fg); }
.pl-iconbtn--secondary { background: var(--surface); color: var(--fg); border-color: var(--border); }
.pl-iconbtn--secondary:hover { background: var(--bg-subtle); }
.pl-iconbtn--outline { border-color: var(--border); color: var(--fg); }
.pl-iconbtn--outline:hover { background: var(--bg-subtle); border-color: var(--border-strong); }
.pl-iconbtn--primary { background: var(--accent); color: var(--accent-fg); }
.pl-iconbtn--primary:hover { background: var(--accent-hover); }
.pl-iconbtn--danger { color: var(--danger); }
.pl-iconbtn--danger:hover { background: var(--danger-soft); }

/* ---------------------------------------------------------------------------
   Badge — pill, six tones
   --------------------------------------------------------------------------- */
.pl-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: var(--radius-full);
  border: 1px solid;
  padding: 2px 8px;
  font-size: var(--text-tiny);
  font-weight: var(--weight-medium);
  line-height: 1;
  white-space: nowrap;
}
.pl-badge > svg { width: 11px; height: 11px; }
.pl-badge--neutral { background: var(--bg-subtle); color: var(--fg-muted); border-color: var(--border); }
.pl-badge--accent { background: var(--accent-soft); color: var(--accent); border-color: color-mix(in oklab, var(--accent) 30%, transparent); }
.pl-badge--success { background: var(--success-soft); color: var(--success); border-color: color-mix(in oklab, var(--success) 30%, transparent); }
.pl-badge--warning { background: var(--warning-soft); color: var(--warning); border-color: color-mix(in oklab, var(--warning) 30%, transparent); }
.pl-badge--danger { background: var(--danger-soft); color: var(--danger); border-color: color-mix(in oklab, var(--danger) 30%, transparent); }
.pl-badge--info { background: var(--info-soft); color: var(--info); border-color: color-mix(in oklab, var(--info) 30%, transparent); }

/* ---------------------------------------------------------------------------
   CodeChip — monospace identifier chip
   --------------------------------------------------------------------------- */
.pl-codechip {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  border: 1px dashed var(--border-strong);
  border-radius: 4px;
  background: transparent;
  color: var(--fg-muted);
  white-space: nowrap;
}
.pl-codechip--sm { padding: 1px 7px; font-size: 11px; }
.pl-codechip--md { padding: 2px 9px; font-size: var(--text-small); }
.pl-codechip--trending { border-color: color-mix(in oklab, var(--amber-deep) 55%, transparent); color: var(--amber-deep); }
.pl-codechip--quick_turn { border-color: color-mix(in oklab, var(--info) 55%, transparent); color: var(--info); }

.pl-stat__bars { display: inline-flex; align-items: flex-end; gap: 2px; height: 22px; flex-shrink: 0; }
.pl-stat__bar { width: 4px; border-radius: 1px; background: var(--border-strong); }
.pl-stat__bar--now { background: var(--accent); }

/* ---------------------------------------------------------------------------
   Card
   --------------------------------------------------------------------------- */
.pl-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  background: var(--surface);
  color: var(--fg);
}
.pl-card--interactive {
  cursor: pointer;
  transition: transform var(--duration-default) var(--ease-out),
    box-shadow var(--duration-default) var(--ease-out),
    border-color var(--duration-default) var(--ease-out);
}
.pl-card--interactive:hover { transform: translateY(-1px); border-color: var(--accent); box-shadow: var(--shadow-md); }
.pl-card--interactive:active { transform: translateY(0); box-shadow: var(--shadow-card); }
.pl-card__header { display: flex; flex-direction: column; gap: 4px; padding: 12px 12px 8px; }
.pl-card__title { font-size: var(--text-body); font-weight: var(--weight-semibold); line-height: 1.2; margin: 0; }
.pl-card__desc { font-size: var(--text-body); color: var(--fg-muted); margin: 0; }
.pl-card__content { padding: 8px 12px 12px; }
.pl-card__footer { display: flex; align-items: center; gap: 8px; padding: 8px 12px 12px; border-top: 1px solid var(--border); }

/* ---------------------------------------------------------------------------
   Celebration — ONE restrained flourish for real wins (delivered, approved).
   Add .pl-celebrate to the card/badge for a single pop + border sweep.
   Never confetti. Never on routine saves.
   --------------------------------------------------------------------------- */
@keyframes pl-pop { 0% { transform: scale(1); } 35% { transform: scale(1.18); } 100% { transform: scale(1); } }
@keyframes pl-sweep { 0% { box-shadow: inset 0 0 0 2px var(--success); } 100% { box-shadow: inset 0 0 0 2px transparent; } }
.pl-celebrate { animation: pl-pop 380ms var(--ease-spring); }
.pl-celebrate--surface { animation: pl-sweep 600ms var(--ease-out); }

/* ---------------------------------------------------------------------------
   Input / Textarea
   --------------------------------------------------------------------------- */
.pl-input, .pl-textarea {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  transition: color var(--duration-default) var(--ease-out),
    border-color var(--duration-default) var(--ease-out),
    box-shadow var(--duration-default) var(--ease-out);
}
.pl-input { height: 32px; padding: 0 12px; }
.pl-textarea { min-height: 72px; padding: 8px 12px; line-height: 20px; resize: vertical; }
.pl-input::placeholder, .pl-textarea::placeholder { color: var(--fg-subtle); }
.pl-input:hover, .pl-textarea:hover { border-color: var(--border-strong); }
.pl-input:focus-visible, .pl-textarea:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}
.pl-input[aria-invalid="true"], .pl-textarea[aria-invalid="true"] {
  border-color: var(--danger);
  background: color-mix(in oklab, var(--danger-soft) 40%, var(--surface));
}
.pl-input:disabled, .pl-textarea:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------------------------------------------------------------------------
   Label
   --------------------------------------------------------------------------- */
.pl-label {
  display: inline-block;
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--fg);
}
.pl-label__optional { color: var(--fg-subtle); font-weight: var(--weight-regular); }

/* ---------------------------------------------------------------------------
   Switch
   --------------------------------------------------------------------------- */
.pl-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 20px;
  width: 34px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--border-strong);
  cursor: pointer;
  padding: 0;
  transition: background-color var(--duration-default) var(--ease-out);
}
.pl-switch[data-checked="true"] { background: var(--accent); }
.pl-switch:disabled { opacity: 0.5; cursor: not-allowed; }
.pl-switch__thumb {
  position: absolute;
  left: 2px;
  height: 16px;
  width: 16px;
  border-radius: 50%;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-default) var(--ease-out);
}
.pl-switch[data-checked="true"] .pl-switch__thumb { transform: translateX(14px); }

/* ---------------------------------------------------------------------------
   Checkbox
   --------------------------------------------------------------------------- */
.pl-checkbox {
  appearance: none;
  -webkit-appearance: none;
  height: 16px;
  width: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  cursor: pointer;
  display: inline-grid;
  place-content: center;
  transition: background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}
.pl-checkbox::before {
  content: "";
  width: 9px; height: 9px;
  transform: scale(0);
  transition: transform var(--duration-fast) var(--ease-out);
  background: var(--accent-fg);
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0, 43% 62%);
}
.pl-checkbox:checked { background: var(--accent); border-color: var(--accent); }
.pl-checkbox:checked::before { transform: scale(1); }
.pl-checkbox:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------------------------------------------------------------------------
   Avatar
   --------------------------------------------------------------------------- */
.pl-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-sans);
  font-weight: var(--weight-semibold);
  overflow: hidden;
  flex-shrink: 0;
}
.pl-avatar img { width: 100%; height: 100%; object-fit: cover; }
.pl-avatar--sm { height: 24px; width: 24px; font-size: 10px; }
.pl-avatar--md { height: 32px; width: 32px; font-size: 12px; }
.pl-avatar--lg { height: 40px; width: 40px; font-size: 14px; }

/* ---------------------------------------------------------------------------
   EmptyState
   --------------------------------------------------------------------------- */
.pl-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  padding: 40px 24px;
}
.pl-empty__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px; width: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  color: var(--fg-muted);
}
.pl-empty__icon > svg { width: 20px; height: 20px; }
.pl-empty__title { font-size: var(--text-title); font-weight: var(--weight-semibold); color: var(--fg); margin: 0; }
.pl-empty__desc { font-size: var(--text-body); color: var(--fg-muted); margin: 0; max-width: 42ch; }

/* ---------------------------------------------------------------------------
   Skeleton
   --------------------------------------------------------------------------- */
.pl-skeleton {
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
  background-image: linear-gradient(90deg, transparent 0%, color-mix(in oklab, var(--surface-elevated) 70%, transparent) 50%, transparent 100%);
  background-size: 200% 100%;
  background-repeat: no-repeat;
  animation: pl-shimmer 1.6s ease-in-out infinite;
}
@keyframes pl-shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}
@media (prefers-reduced-motion: reduce) {
  .pl-skeleton { animation: none; background-image: none; }
}

/* ---------------------------------------------------------------------------
   Kbd
   --------------------------------------------------------------------------- */
.pl-kbd {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: var(--weight-medium);
  padding: 2px 5px;
  line-height: 1;
}

/* ---------------------------------------------------------------------------
   CapacityBar — signature: honest-math capacity meter
   --------------------------------------------------------------------------- */
.pl-capacity { display: flex; flex-direction: column; gap: 6px; }
.pl-capacity__track {
  position: relative;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  overflow: hidden;
}
.pl-capacity__fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--duration-slow) var(--ease-out);
}
.pl-capacity__fill--ok { background: var(--success); }
.pl-capacity__fill--tight { background: var(--warning); }
.pl-capacity__fill--over { background: var(--danger); }
.pl-capacity__meta { display: flex; justify-content: space-between; align-items: baseline; }

/* ---------------------------------------------------------------------------
   StatTile — single honest number (no gradient hero metric)
   --------------------------------------------------------------------------- */
.pl-stat {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 14px 16px;
}
.pl-stat__value {
  font-size: var(--text-display);
  line-height: 1.1;
  font-weight: var(--weight-semibold);
  letter-spacing: -0.01em;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}
.pl-stat__delta { font-size: var(--text-small); font-weight: var(--weight-medium); }
.pl-stat__delta--up { color: var(--success); }
.pl-stat__delta--down { color: var(--danger); }

/* ---------------------------------------------------------------------------
   ActiveTimerChip — signature top-bar status
   --------------------------------------------------------------------------- */
.pl-timerchip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-sunken);
  padding: 4px 8px;
  font-size: var(--text-tiny);
  max-width: 260px;
}
.pl-timerchip--targetless { border-color: color-mix(in oklab, var(--warning) 40%, transparent); background: color-mix(in oklab, var(--warning-soft) 40%, var(--surface)); }
.pl-timerchip__dot { position: relative; display: inline-flex; height: 8px; width: 8px; flex-shrink: 0; }
.pl-timerchip__dot span:first-child { position: absolute; inset: 0; border-radius: 50%; background: var(--accent); opacity: 0.6; }
.pl-timerchip__dot span:last-child { position: relative; height: 8px; width: 8px; border-radius: 50%; background: var(--accent); }
.pl-timerchip__time { font-variant-numeric: tabular-nums; font-weight: var(--weight-semibold); color: var(--fg); letter-spacing: -0.01em; }
.pl-timerchip__ctx { color: var(--fg-muted); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }