/* PCM Internal Tools Design System — components.css v1.2
   BEM component styles with pcm- prefix. Requires tokens.css. */

@keyframes pcm-fadeInUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pcm-slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pcm-scaleIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
@keyframes pcm-checkPop { 0% { transform: scale(1); } 50% { transform: scale(1.15); } 100% { transform: scale(1); } }
@keyframes pcm-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
@keyframes pcm-skeletonPulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }
@keyframes pcm-slideInDown { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pcm-spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* HEADER */
.pcm-header { position: sticky; top: 0; z-index: var(--z-sticky); background: var(--neutral-100); border-bottom: 1px solid var(--neutral-200); padding: var(--space-3) var(--space-5); display: flex; align-items: center; justify-content: space-between; height: var(--header-height); }
.pcm-header__title { font: var(--text-page-title); color: var(--color-primary); letter-spacing: -0.01em; }
.pcm-header__subtitle { font-size: var(--text-secondary-size); color: var(--neutral-500); margin-top: 2px; }
.pcm-header__actions { display: flex; gap: var(--space-2); align-items: center; }

/* BUTTONS */
.pcm-btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); border: none; border-radius: var(--radius-sm); font-family: var(--font-body); font-weight: 600; cursor: pointer; transition: background var(--transition-normal), transform var(--transition-fast); white-space: nowrap; min-width: 80px; text-decoration: none; }
.pcm-btn:active { transform: scale(0.97); }
.pcm-btn:disabled { opacity: 0.5; pointer-events: none; cursor: not-allowed; }
.pcm-btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.pcm-btn--sm { height: 32px; padding: 6px 14px; font-size: 13px; }
.pcm-btn--md { height: 40px; padding: 10px 18px; font-size: 14px; }
.pcm-btn--lg { height: 48px; padding: 14px 24px; font-size: 16px; }
.pcm-btn--primary { background: var(--color-primary); color: #fff; }
.pcm-btn--primary:hover { background: var(--color-primary-hover); }
.pcm-btn--secondary { background: transparent; border: 1.5px solid var(--color-primary); color: var(--color-primary); }
.pcm-btn--secondary:hover { background: var(--color-primary-light); }
.pcm-btn--ghost { background: transparent; color: var(--color-primary); }
.pcm-btn--ghost:hover { background: var(--neutral-100); }
.pcm-btn--danger { background: var(--semantic-error); color: #fff; }
.pcm-btn--danger:hover { background: #B91C1C; }
.pcm-btn--icon { min-width: unset; padding: var(--space-2); background: none; color: var(--neutral-400); border-radius: var(--radius-sm); }
.pcm-btn--icon:hover { color: var(--color-primary); background: var(--color-primary-light); }
.pcm-btn--loading { pointer-events: none; }
.pcm-btn--loading::after { content: ''; width: 16px; height: 16px; border: 2px solid transparent; border-top-color: currentColor; border-radius: 50%; animation: pcm-spin 0.6s linear infinite; }

/* CARDS */
.pcm-card { background: var(--neutral-100); border: 1px solid var(--neutral-200); border-radius: var(--radius-lg); padding: var(--space-4); box-shadow: var(--shadow-md); transition: box-shadow var(--transition-normal), transform var(--transition-normal); }
.pcm-card--clickable { cursor: pointer; }
.pcm-card--clickable:hover { box-shadow: var(--shadow-lg); transform: translateY(-1px); }
.pcm-card__header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-3); }
.pcm-card__title { font-family: var(--font-display); font-size: var(--text-section-title-size); font-weight: var(--text-section-title-weight); color: var(--neutral-800); }
.pcm-card--hero { background: linear-gradient(135deg, var(--color-primary) 0%, #3A2A3C 100%); color: var(--neutral-100); border: none; }
.pcm-card--hero .pcm-card__title { color: var(--neutral-100); }

/* BADGES */
.pcm-badge { display: inline-flex; align-items: center; gap: 3px; padding: 2px 10px; border-radius: var(--radius-full); font-size: var(--text-caption-size); font-weight: var(--text-caption-weight); line-height: 1.3; white-space: nowrap; }
.pcm-badge--primary { background: var(--color-primary-light); color: var(--color-primary); }
.pcm-badge--danger { background: var(--color-danger-light); color: var(--color-danger); }
.pcm-badge--success { background: var(--color-success-light); color: var(--color-success-dark); }
.pcm-badge--info { background: var(--color-info-light); color: var(--color-info); }
.pcm-badge--warning { background: var(--semantic-warning-light); color: var(--semantic-warning); }
.pcm-badge--neutral { background: var(--neutral-200); color: var(--neutral-600); }

/* FORMS */
.pcm-input, .pcm-select, .pcm-textarea { font-family: var(--font-body); font-size: var(--text-body-size); color: var(--neutral-800); background: var(--neutral-100); border: 1.5px solid var(--neutral-300); border-radius: var(--radius-sm); padding: var(--space-3) 14px; width: 100%; height: 48px; transition: border-color var(--transition-normal), box-shadow var(--transition-normal); outline: none; }
.pcm-textarea { height: auto; min-height: 80px; resize: vertical; }
.pcm-input:focus, .pcm-select:focus, .pcm-textarea:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); }
.pcm-input::placeholder, .pcm-textarea::placeholder { color: var(--neutral-400); }
.pcm-input--error { border-color: var(--semantic-error); }
.pcm-input--error:focus { box-shadow: 0 0 0 3px var(--semantic-error-light); }
.pcm-form-group { margin-bottom: 14px; }
.pcm-label { display: block; font-size: var(--text-caption-size); font-weight: var(--text-caption-weight); color: var(--neutral-600); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.3px; }
.pcm-form-error { font-size: var(--text-secondary-size); color: var(--semantic-error); margin-top: var(--space-1); }
.pcm-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
@media (max-width: 639px) { .pcm-form-row { grid-template-columns: 1fr; } }

/* SEARCH */
.pcm-search { position: relative; margin-bottom: var(--space-4); }
.pcm-search__input { font-family: var(--font-body); font-size: var(--text-body-size); color: var(--neutral-800); background: var(--neutral-100); border: 1.5px solid var(--neutral-300); border-radius: var(--radius-md); padding: var(--space-3) 14px var(--space-3) 42px; width: 100%; height: 48px; outline: none; transition: border-color var(--transition-normal), box-shadow var(--transition-normal); }
.pcm-search__input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); }
.pcm-search__input::placeholder { color: var(--neutral-400); }
.pcm-search__icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--neutral-400); pointer-events: none; }

/* CHIPS */
.pcm-chips { display: flex; gap: 6px; overflow-x: auto; padding: var(--space-1) 0 var(--space-3); -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.pcm-chips::-webkit-scrollbar { display: none; }
.pcm-chip { padding: 7px 14px; border-radius: var(--radius-full); border: 1.5px solid var(--neutral-300); background: var(--neutral-100); font-family: var(--font-body); font-size: var(--text-secondary-size); font-weight: 600; color: var(--neutral-600); cursor: pointer; white-space: nowrap; flex-shrink: 0; transition: all var(--transition-normal); }
.pcm-chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pcm-chip--active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pcm-chip__count { font-size: 10px; opacity: 0.6; margin-left: 3px; }

/* SECTION HEADERS */
.pcm-section { display: flex; align-items: center; justify-content: space-between; margin: var(--space-6) var(--space-1) var(--space-3); }
.pcm-section__title { font-size: var(--text-caption-size); font-weight: var(--text-caption-weight); text-transform: uppercase; letter-spacing: 0.8px; color: var(--neutral-500); }
.pcm-section__count { font-size: var(--text-caption-size); font-weight: var(--text-caption-weight); padding: 2px 10px; border-radius: var(--radius-full); background: var(--color-primary-light); color: var(--color-primary); }

/* TABLE */
.pcm-table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--neutral-200); background: var(--neutral-100); }
.pcm-table { width: 100%; border-collapse: collapse; font-size: var(--text-body-size); }
.pcm-table thead { position: sticky; top: 0; z-index: 2; }
.pcm-table th { background: var(--neutral-100); border-bottom: 1px solid var(--neutral-200); padding: var(--space-3) var(--space-4); font-size: var(--text-caption-size); font-weight: var(--text-caption-weight); text-transform: uppercase; letter-spacing: 0.3px; color: var(--neutral-500); text-align: left; white-space: nowrap; cursor: pointer; user-select: none; }
.pcm-table th:hover { color: var(--color-primary); }
.pcm-table td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--neutral-200); color: var(--neutral-700); vertical-align: middle; }
.pcm-table td--primary { font-weight: var(--text-body-semibold-weight); color: var(--neutral-800); }
.pcm-table td--numeric { text-align: right; font-variant-numeric: tabular-nums; }
.pcm-table td--truncate { max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pcm-table tr { min-height: 48px; transition: background var(--transition-normal); }
.pcm-table tbody tr:hover { background: var(--color-primary-light); }
.pcm-table tbody tr:nth-child(even) { background: var(--neutral-50); }
.pcm-table tbody tr:nth-child(even):hover { background: var(--color-primary-light); }
.pcm-table__actions { opacity: 0; transition: opacity var(--transition-normal); display: flex; gap: var(--space-1); justify-content: flex-end; }
.pcm-table tbody tr:hover .pcm-table__actions { opacity: 1; }

/* LIST CARDS (mobile) */
.pcm-list-card { background: var(--neutral-100); border: 1px solid var(--neutral-200); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: var(--space-2); }
.pcm-list-item { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--neutral-200); cursor: pointer; transition: background var(--transition-normal); min-height: 48px; }
.pcm-list-item:last-child { border-bottom: none; }
.pcm-list-item:hover { background: var(--color-primary-light); }
.pcm-list-item__icon { width: 40px; height: 40px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: var(--text-body-size); flex-shrink: 0; }
.pcm-list-item__info { flex: 1; min-width: 0; }
.pcm-list-item__title { font-size: var(--text-body-size); font-weight: var(--text-body-semibold-weight); color: var(--neutral-800); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pcm-list-item__meta { font-size: var(--text-secondary-size); color: var(--neutral-500); margin-top: 2px; display: flex; gap: 6px; flex-wrap: wrap; }
.pcm-list-item__value { flex-shrink: 0; text-align: right; }
.pcm-list-item__value-primary { font-size: var(--text-body-size); font-weight: 700; color: var(--neutral-800); }
.pcm-list-item__value-secondary { font-size: var(--text-caption-size); color: var(--neutral-500); margin-top: 1px; }

/* PAGINATION */
.pcm-pagination { display: flex; align-items: center; justify-content: center; gap: var(--space-1); padding: var(--space-5) 0; }
.pcm-pagination__btn { min-width: 44px; min-height: 44px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); font-family: var(--font-body); font-size: var(--text-secondary-size); font-weight: 600; color: var(--neutral-700); background: var(--neutral-100); border: 1px solid var(--neutral-200); cursor: pointer; transition: all var(--transition-normal); padding: 0 var(--space-3); }
.pcm-pagination__btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pcm-pagination__btn--active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pcm-pagination__btn:disabled { opacity: 0.3; pointer-events: none; }

/* METRICS */
.pcm-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: var(--space-3); margin-bottom: var(--space-4); }
.pcm-metric { background: var(--neutral-100); border: 1px solid var(--neutral-200); border-radius: var(--radius-md); padding: var(--space-3); text-align: center; }
.pcm-metric__value { font-size: 24px; font-weight: 700; color: var(--color-primary); line-height: 1.1; }
.pcm-metric__label { font-size: var(--text-caption-size); font-weight: var(--text-caption-weight); text-transform: uppercase; letter-spacing: 0.5px; color: var(--neutral-500); margin-top: 2px; }

/* BOTTOM SHEET */
.pcm-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); z-index: var(--z-overlay); display: none; align-items: flex-end; justify-content: center; }
.pcm-overlay--open { display: flex; }
.pcm-sheet { background: var(--neutral-100); border-radius: var(--radius-xl) var(--radius-xl) 0 0; width: 100%; max-width: 600px; max-height: 90dvh; overflow-y: auto; padding: var(--space-6) var(--space-5); z-index: var(--z-modal); animation: pcm-slideUp 0.3s ease-out; }
.pcm-sheet__handle { width: 40px; height: 4px; background: var(--neutral-300); border-radius: 2px; margin: 0 auto var(--space-5); }
.pcm-sheet__title { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--neutral-800); margin-bottom: var(--space-5); }

/* DIALOG (desktop) */
@media (min-width: 640px) {
  .pcm-overlay { align-items: center; }
  .pcm-dialog { background: var(--neutral-100); border-radius: var(--radius-lg); width: 100%; max-width: 480px; min-width: 320px; max-height: 80dvh; overflow-y: auto; padding: var(--space-6); z-index: var(--z-modal); box-shadow: var(--shadow-xl); animation: pcm-scaleIn 0.2s ease-out; position: relative; }
  .pcm-dialog__close { position: absolute; top: var(--space-4); right: var(--space-4); width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; background: none; border: none; color: var(--neutral-400); cursor: pointer; border-radius: var(--radius-sm); }
  .pcm-dialog__close:hover { background: var(--neutral-200); color: var(--neutral-700); }
  .pcm-dialog__title { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--neutral-800); margin-bottom: var(--space-4); padding-right: 44px; }
  .pcm-dialog__actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-5); }
}

/* TOASTS */
.pcm-toast-container { position: fixed; z-index: var(--z-toast); display: flex; flex-direction: column; gap: var(--space-2); pointer-events: none; top: calc(var(--header-height) + var(--space-3)); left: 50%; transform: translateX(-50%); width: calc(100% - var(--space-8)); max-width: 420px; }
@media (min-width: 640px) { .pcm-toast-container { left: auto; right: var(--space-6); transform: none; top: var(--space-6); } }
.pcm-toast { background: var(--neutral-100); border: 1px solid var(--neutral-200); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); padding: var(--space-3) var(--space-4); display: flex; align-items: center; gap: var(--space-3); pointer-events: all; animation: pcm-slideInDown 0.2s ease-out; border-left: 4px solid var(--neutral-400); }
.pcm-toast--success { border-left-color: var(--semantic-success); }
.pcm-toast--error { border-left-color: var(--semantic-error); }
.pcm-toast--warning { border-left-color: var(--semantic-warning); }
.pcm-toast--info { border-left-color: var(--semantic-info); }
.pcm-toast__icon { width: 18px; height: 18px; flex-shrink: 0; }
.pcm-toast__message { flex: 1; font-size: var(--text-secondary-size); color: var(--neutral-700); }
.pcm-toast__action { font-size: var(--text-secondary-size); font-weight: 600; color: var(--color-primary); background: none; border: none; cursor: pointer; padding: 4px 8px; border-radius: var(--radius-sm); font-family: var(--font-body); }
.pcm-toast__action:hover { background: var(--color-primary-light); }
.pcm-toast__close { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; background: none; border: none; color: var(--neutral-400); cursor: pointer; border-radius: var(--radius-sm); flex-shrink: 0; }
.pcm-toast__close:hover { background: var(--neutral-200); }

/* EMPTY STATES */
.pcm-empty { text-align: center; padding: var(--space-10) var(--space-6); }
.pcm-empty__icon { width: 48px; height: 48px; color: var(--neutral-400); margin: 0 auto var(--space-4); opacity: 0.5; }
.pcm-empty__title { font-family: var(--font-display); font-size: 18px; font-weight: 600; color: var(--neutral-700); margin-bottom: var(--space-2); }
.pcm-empty__text { font-size: var(--text-body-size); color: var(--neutral-500); line-height: 1.6; max-width: 360px; margin: 0 auto var(--space-5); }

/* SKELETONS */
.pcm-skeleton { background: var(--neutral-200); border-radius: var(--radius-sm); animation: pcm-skeletonPulse 1.5s ease-in-out infinite; }
.pcm-skeleton--text { height: 14px; margin-bottom: 8px; width: 80%; }
.pcm-skeleton--title { height: 22px; margin-bottom: 12px; width: 60%; }
.pcm-skeleton--card { height: 72px; border-radius: var(--radius-lg); margin-bottom: var(--space-2); }

/* RESULTS BAR */
.pcm-results-bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-3); padding: 0 var(--space-1); }
.pcm-results-bar__count { font-size: var(--text-secondary-size); color: var(--neutral-500); }

/* ERROR PAGES */
.pcm-error-page { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 60dvh; padding: var(--space-8); text-align: center; }
.pcm-error-page__icon { width: 64px; height: 64px; color: var(--neutral-400); margin-bottom: var(--space-5); }
.pcm-error-page__title { font-family: var(--font-display); font-size: 24px; font-weight: 700; color: var(--neutral-800); margin-bottom: var(--space-2); }
.pcm-error-page__text { font-size: var(--text-body-size); color: var(--neutral-500); max-width: 400px; margin-bottom: var(--space-6); }

/* UTILITIES */
.pcm-fade-in { animation: pcm-fadeInUp 0.35s ease-out both; }
.pcm-visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.pcm-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pcm-mono { font-family: var(--font-mono); font-size: var(--text-mono-size); }
.pcm-text-secondary { font-size: var(--text-secondary-size); color: var(--neutral-500); }
.pcm-text-caption { font-size: var(--text-caption-size); font-weight: var(--text-caption-weight); color: var(--neutral-500); text-transform: uppercase; letter-spacing: 0.5px; }