/* =========================================================
   Chadwell Supply — Component Library
   Buttons, forms, cards, tables, badges, nav, alerts, modals.
   Requires tokens.css.
   ========================================================= */

/* ===================== BUTTONS ===================== */
.cw-btn {
  --_bg: var(--cw-blue-500);
  --_fg: #fff;
  --_br: var(--cw-blue-500);
  --_bg-hover: #005FA3;
  --_br-hover: #005FA3;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  min-height: 40px;
  border: 1px solid var(--_br);
  border-radius: var(--cw-radius-md);
  background: var(--_bg);
  color: var(--_fg);
  font-family: inherit;
  font-size: var(--cw-text-sm);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.01em;
  cursor: pointer;
  user-select: none;
  text-decoration: none;
  transition: background var(--cw-dur-fast) var(--cw-ease-out),
              border-color var(--cw-dur-fast) var(--cw-ease-out),
              color var(--cw-dur-fast) var(--cw-ease-out),
              box-shadow var(--cw-dur-fast) var(--cw-ease-out);
}
.cw-btn:hover { background: var(--_bg-hover); border-color: var(--_br-hover); }
.cw-btn:focus-visible { outline: none; box-shadow: var(--cw-focus-ring); }
.cw-btn:active { transform: translateY(0.5px); }
.cw-btn:disabled,
.cw-btn[aria-disabled="true"] {
  opacity: 0.5; cursor: not-allowed; pointer-events: none;
}

/* Variants — ordered per the design system's button semantics:
   Red / White Text         → Attention (primary-destructive / alert CTA)
   Blue / White Text        → Primary action
   White / Blue Text        → Secondary
   White / Gray Text        → Tertiary
   White / Dark Text        → Ghost for table toolbars */
.cw-btn--attention {
  --_bg: var(--cw-red-500); --_br: var(--cw-red-500); --_fg: #fff;
  --_bg-hover: var(--cw-red-700); --_br-hover: var(--cw-red-700);
}
.cw-btn--primary {
  --_bg: var(--cw-blue-500); --_br: var(--cw-blue-500); --_fg: #fff;
  --_bg-hover: #005FA3; --_br-hover: #005FA3;
}
.cw-btn--secondary {
  --_bg: #fff; --_br: var(--cw-blue-500); --_fg: var(--cw-blue-500);
  --_bg-hover: var(--cw-blue-50); --_br-hover: var(--cw-blue-500);
}
.cw-btn--tertiary {
  --_bg: #fff; --_br: var(--cw-line); --_fg: var(--cw-ink-soft);
  --_bg-hover: var(--cw-surface-1); --_br-hover: var(--cw-gray);
}
.cw-btn--ghost {
  --_bg: transparent; --_br: transparent; --_fg: var(--cw-ink-soft);
  --_bg-hover: var(--cw-surface-2); --_br-hover: transparent;
}
.cw-btn--link {
  --_bg: transparent; --_br: transparent; --_fg: var(--cw-blue-500);
  --_bg-hover: transparent; --_br-hover: transparent;
  padding: 6px 4px; min-height: auto;
}
.cw-btn--link:hover { text-decoration: underline; }

/* Sizes */
.cw-btn--sm  { min-height: 32px; padding: 6px 12px;  font-size: 13px; }
.cw-btn--lg  { min-height: 48px; padding: 12px 22px; font-size: 15px; }
.cw-btn--xl  { min-height: 56px; padding: 14px 28px; font-size: 16px; }

.cw-btn--block { width: 100%; }
.cw-btn--icon  { padding: 0; width: 40px; }
.cw-btn--icon.cw-btn--sm { width: 32px; }

/* ===================== FORMS ===================== */
.cw-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.cw-label {
  font-size: var(--cw-text-sm);
  font-weight: 600;
  color: var(--cw-ink);
}
.cw-label .cw-required { color: var(--cw-red-500); margin-left: 2px; }
.cw-help  { font-size: 13px; color: var(--cw-ink-muted); }
.cw-error { font-size: 13px; color: var(--cw-red-500); display: flex; align-items: center; gap: 6px; }

.cw-input,
.cw-select,
.cw-textarea {
  font-family: inherit;
  font-size: var(--cw-text-md);
  color: var(--cw-ink);
  background: #fff;
  border: 1px solid var(--cw-line);
  border-radius: var(--cw-radius-md);
  padding: 10px 12px;
  min-height: 40px;
  width: 100%;
  transition: border-color var(--cw-dur-fast), box-shadow var(--cw-dur-fast);
}
.cw-input::placeholder,
.cw-textarea::placeholder { color: #9CA1A6; }
.cw-input:hover,
.cw-select:hover,
.cw-textarea:hover { border-color: var(--cw-gray); }
.cw-input:focus,
.cw-select:focus,
.cw-textarea:focus {
  outline: none;
  border-color: var(--cw-blue-500);
  box-shadow: 0 0 0 3px rgba(0,119,200,0.18);
}
.cw-input[aria-invalid="true"],
.cw-select[aria-invalid="true"],
.cw-textarea[aria-invalid="true"] {
  border-color: var(--cw-red-500);
  box-shadow: 0 0 0 3px rgba(200,16,46,0.18);
}
.cw-textarea { min-height: 96px; resize: vertical; }

.cw-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%233D3D3D' d='M6 8L0 0h12z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* Checkbox / radio */
.cw-check,
.cw-radio {
  display: inline-flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: var(--cw-text-sm);
  color: var(--cw-ink);
  padding: 4px 0;
}
.cw-check input,
.cw-radio input { accent-color: var(--cw-blue-500); width: 18px; height: 18px; margin: 1px 0 0; }

/* Stepper / number input */
.cw-stepper {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--cw-line);
  border-radius: var(--cw-radius-md);
  overflow: hidden;
  background: #fff;
}
.cw-stepper button {
  width: 36px; border: none; background: var(--cw-surface-1);
  cursor: pointer; font-size: 18px; color: var(--cw-ink-soft);
}
.cw-stepper button:hover { background: var(--cw-surface-2); }
.cw-stepper input {
  width: 56px; border: none; text-align: center; font: inherit;
  border-left: 1px solid var(--cw-line); border-right: 1px solid var(--cw-line);
}
.cw-stepper input:focus { outline: none; }

/* ===================== CARDS ===================== */
.cw-card {
  background: #fff;
  border: 1px solid var(--cw-line);
  border-radius: var(--cw-radius-md);
  overflow: hidden;
  transition: box-shadow var(--cw-dur-med), border-color var(--cw-dur-med), transform var(--cw-dur-med);
}
.cw-card--elevated { box-shadow: var(--cw-shadow-1); border-color: transparent; }
.cw-card--interactive:hover { box-shadow: var(--cw-shadow-3); border-color: transparent; transform: translateY(-2px); }
.cw-card__media { background: var(--cw-surface-1); aspect-ratio: 4/3; }
.cw-card__body { padding: 16px; display: flex; flex-direction: column; gap: 6px; }
.cw-card__title { font-weight: 600; color: var(--cw-ink); font-size: var(--cw-text-md); }
.cw-card__meta  { font-size: 13px; color: var(--cw-ink-muted); }
.cw-card__foot  { padding: 12px 16px; border-top: 1px solid var(--cw-line); display: flex; justify-content: space-between; align-items: center; }
.cw-card__header { padding: 12px 16px; border-bottom: 1px solid var(--cw-line); display: flex; justify-content: space-between; align-items: center; }

/* Product card — the workhorse of the catalog */
.cw-product {
  background: #fff;
  border: 1px solid var(--cw-line);
  border-radius: var(--cw-radius-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: box-shadow var(--cw-dur-med), border-color var(--cw-dur-med);
}
.cw-product:hover { box-shadow: var(--cw-shadow-2); border-color: var(--cw-gray); }
.cw-product__img {
  aspect-ratio: 1/1; background: #fff; position: relative;
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--cw-surface-2);
}
.cw-product__fav {
  position: absolute; top: 8px; right: 8px;
  width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--cw-line);
  background: #fff; cursor: pointer; color: var(--cw-ink-muted);
  display: grid; place-items: center;
}
.cw-product__fav:hover { color: var(--cw-red-500); border-color: var(--cw-red-500); }
.cw-product__fav[aria-pressed="true"] { color: var(--cw-red-500); border-color: var(--cw-red-500); background: var(--cw-red-50); }
.cw-product__body { padding: 12px 14px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.cw-product__sku  { font-size: 12px; color: var(--cw-ink-muted); font-weight: 600; letter-spacing: 0.04em; }
.cw-product__name { font-size: 14px; color: var(--cw-ink); line-height: 1.35; }
.cw-product__price { font-size: 18px; font-weight: 700; color: var(--cw-ink); margin-top: 4px; }
.cw-product__foot  { padding: 10px 14px; border-top: 1px solid var(--cw-surface-2); display: flex; gap: 8px; align-items: center; }

/* ===================== BADGES ===================== */
.cw-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px; border-radius: var(--cw-radius-pill);
  font-size: 12px; font-weight: 600; line-height: 1.2;
  background: var(--cw-surface-2); color: var(--cw-ink-soft);
  letter-spacing: 0.02em;
}
.cw-badge--blue    { background: var(--cw-blue-50);    color: var(--cw-blue-700); }
.cw-badge--red     { background: var(--cw-red-50);     color: var(--cw-red-700); }
.cw-badge--success { background: var(--cw-success-bg); color: var(--cw-success); }
.cw-badge--warning { background: var(--cw-warning-bg); color: var(--cw-warning); }
.cw-badge--solid-red  { background: var(--cw-red-500);  color: #fff; }
.cw-badge--solid-blue { background: var(--cw-blue-500); color: #fff; }

/* ===================== ALERTS ===================== */
.cw-alert {
  display: flex; gap: 12px; padding: 12px 16px;
  border-radius: var(--cw-radius-md);
  border: 1px solid;
  font-size: var(--cw-text-sm);
  align-items: flex-start;
}
.cw-alert__icon { flex: 0 0 auto; margin-top: 2px; }
.cw-alert__body { flex: 1; }
.cw-alert__title { font-weight: 700; margin-bottom: 2px; }
.cw-alert--info    { background: var(--cw-info-bg);    border-color: var(--cw-blue-100);  color: var(--cw-blue-700); }
.cw-alert--success { background: var(--cw-success-bg); border-color: #B7DFB9; color: var(--cw-success); }
.cw-alert--warning { background: var(--cw-warning-bg); border-color: #F4D591; color: var(--cw-warning); }
.cw-alert--danger  { background: var(--cw-danger-bg);  border-color: var(--cw-red-100); color: var(--cw-red-700); }

/* ===================== TABLES ===================== */
.cw-table {
  width: 100%; border-collapse: collapse;
  font-size: var(--cw-text-sm);
  background: var(--cw-surface-0);
}
.cw-table th, .cw-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--cw-line);
  vertical-align: middle;
  color: var(--cw-ink);
}
.cw-table th {
  font-weight: 700; color: var(--cw-ink-soft);
  background: var(--cw-surface-1);
  text-transform: uppercase; font-size: 12px; letter-spacing: 0.05em;
  border-bottom: 1px solid var(--cw-line);
}
.cw-table tbody tr:hover { background: var(--cw-surface-1); }
.cw-table--striped tbody tr:nth-child(even) { background: var(--cw-surface-1); }

/* ===================== PAGINATION ===================== */
.cw-pagination { display: inline-flex; gap: 4px; align-items: center; }
.cw-pagination button {
  min-width: 36px; height: 36px; padding: 0 10px;
  border: 1px solid var(--cw-line);
  background: #F8F9FA;
  color: var(--cw-ink);
  border-radius: var(--cw-radius-sm);
  font: inherit; font-size: 14px; cursor: pointer;
}
.cw-pagination button:hover { background: var(--cw-surface-2); }
.cw-pagination button[aria-current="page"] {
  background: var(--cw-selected);
  border-color: var(--cw-gray);
  color: var(--cw-ink);
  font-weight: 700;
}

/* ===================== TABS ===================== */
.cw-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--cw-line); }
.cw-tab {
  padding: 12px 16px;
  background: none; border: none; border-bottom: 2px solid transparent;
  cursor: pointer; font: inherit; font-size: 14px; font-weight: 600;
  color: var(--cw-ink-muted);
  margin-bottom: -1px;
}
.cw-tab:hover { color: var(--cw-ink); }
.cw-tab[aria-selected="true"] { color: var(--cw-blue-700); border-bottom-color: var(--cw-blue-500); }

/* ===================== NAV BAR ===================== */
.cw-topbar {
  background: var(--cw-blue-500);
  color: #fff;
  padding: 0 var(--cw-gutter);
  height: var(--cw-header-h);
  display: flex; align-items: center; gap: 24px;
}
.cw-topbar__logo { font-weight: 800; letter-spacing: 0.02em; font-size: 18px; }
.cw-topbar nav { display: flex; gap: 20px; flex: 1; }
.cw-topbar nav a { color: rgba(255,255,255,0.85); font-weight: 600; font-size: 14px; }
.cw-topbar nav a:hover,
.cw-topbar nav a[aria-current="page"] { color: #fff; text-decoration: none; }

/* ===================== FOOTER ===================== */
.cw-footer {
  background: var(--cw-blue-900);
  color: rgba(255,255,255,0.82);
  padding: 48px var(--cw-gutter);
  font-size: var(--cw-text-sm);
}
.cw-footer h6 { color: #fff; text-transform: uppercase; font-size: 12px; letter-spacing: 0.08em; margin: 0 0 12px; }
.cw-footer a { color: rgba(255,255,255,0.82); }
.cw-footer a:hover { color: #fff; }

/* ===================== MODAL ===================== */
.cw-modal__scrim { position: fixed; inset: 0; background: rgba(16,24,40,0.55); z-index: var(--cw-z-overlay); }
.cw-modal {
  position: fixed; inset: 0; z-index: var(--cw-z-modal);
  display: grid; place-items: center; padding: 24px;
}
.cw-modal__panel {
  background: #fff; border-radius: var(--cw-radius-lg);
  box-shadow: var(--cw-shadow-4);
  width: 100%; max-width: 520px;
  overflow: hidden; display: flex; flex-direction: column;
  max-height: 90vh;
}
.cw-modal__head { padding: 20px 24px 8px; display: flex; justify-content: space-between; align-items: center; }
.cw-modal__title { font-size: var(--cw-text-xl); font-weight: 700; }
.cw-modal__body { padding: 8px 24px 16px; overflow: auto; }
.cw-modal__foot { padding: 16px 24px; border-top: 1px solid var(--cw-line); display: flex; justify-content: flex-end; gap: 8px; }

/* ===================== BREADCRUMB ===================== */
.cw-crumbs { display: flex; flex-wrap: wrap; gap: 6px; font-size: 13px; color: var(--cw-ink-muted); }
.cw-crumbs a { color: var(--cw-blue-700); }
.cw-crumbs span[aria-current="page"] { color: var(--cw-ink); font-weight: 600; }
.cw-crumbs__sep { opacity: 0.5; }

/* ===================== UTIL ===================== */
.cw-stack > * + * { margin-top: var(--cw-stack-gap, 16px); }
.cw-row { display: flex; gap: var(--cw-row-gap, 12px); align-items: center; }
.cw-grid { display: grid; gap: var(--cw-grid-gap, 16px); }
.cw-sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ===================== CHIP PICKER ===================== */
.cw-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.cw-chip {
  min-height: 36px; padding: 6px 14px;
  border-radius: var(--cw-radius-pill);
  border: 1px solid var(--cw-line);
  background: var(--cw-surface-0); color: var(--cw-ink-soft);
  font-family: inherit; font-size: 13px; font-weight: 600; line-height: 1.2;
  cursor: pointer;
  transition: background var(--cw-dur-fast), border-color var(--cw-dur-fast), color var(--cw-dur-fast);
}
.cw-chip:hover:not(:disabled):not(.cw-chip--selected) { border-color: var(--cw-blue-500); color: var(--cw-blue-700); }
.cw-chip:focus-visible { outline: none; box-shadow: var(--cw-focus-ring); }
.cw-chip:disabled { opacity: 0.55; cursor: not-allowed; }
.cw-chip--selected { background: var(--cw-blue-700); border-color: var(--cw-blue-700); color: #fff; }
[data-theme="dark"] .cw-chip--selected { background: var(--cw-blue-100); border-color: var(--cw-blue-500); color: var(--cw-ink); }