/* ==========================================================================
   Shared base — used by storefront and admin.
   Brand values (--brand-*) are injected at runtime by ThemeManager;
   never hard-code brand colours in this file.
   ========================================================================== */

:root {
    --surface: #ffffff;
    --surface-muted: #f5f7fb;
    --surface-sunken: #eef1f6;
    --border-color: #e5e8ef;
    --text-color: #0f172a;
    --text-muted: #64748b;
    --radius-sm: 0.5rem;
    --radius: 0.875rem;
    --radius-lg: 1.25rem;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 6px 16px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
    --transition: 160ms ease;

    /* Bridge brand tokens into Bootstrap. */
    --bs-primary: var(--brand-primary);
    --bs-primary-rgb: var(--brand-primary-rgb);
    --bs-link-color: var(--brand-primary);
    --bs-link-color-rgb: var(--brand-primary-rgb);
    --bs-link-hover-color: var(--brand-primary-hover);
    --bs-body-font-family: var(--brand-font);
    --bs-body-color: var(--text-color);
    --bs-border-color: var(--border-color);
    --bs-border-radius: var(--radius-sm);
    --bs-focus-ring-color: rgba(var(--brand-primary-rgb), 0.25);
}

body {
    font-family: var(--brand-font);
    color: var(--text-color);
    background: var(--surface);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
    font-weight: 700;
    letter-spacing: -0.015em;
    color: var(--text-color);
}

a { text-decoration: none; }
a:hover { text-decoration: none; }
img { max-width: 100%; }

.text-muted { color: var(--text-muted) !important; }
.bg-muted { background: var(--surface-muted) !important; }
.text-brand { color: var(--brand-primary) !important; }
.fw-semibold { font-weight: 600 !important; }
.small-caps {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* ---------- Buttons ---------- */

.btn {
    --bs-btn-font-weight: 600;
    --bs-btn-padding-x: 1.125rem;
    --bs-btn-padding-y: 0.5625rem;
    --bs-btn-border-radius: var(--brand-btn-radius);
    --bs-btn-focus-box-shadow: 0 0 0 0.25rem rgba(var(--brand-primary-rgb), 0.25);
    transition: background-color var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}
.btn-sm { --bs-btn-padding-x: 0.75rem; --bs-btn-padding-y: 0.375rem; --bs-btn-border-radius: var(--brand-btn-radius); }
.btn-lg { --bs-btn-padding-x: 1.5rem; --bs-btn-padding-y: 0.75rem; --bs-btn-border-radius: var(--brand-btn-radius); }

.btn-primary {
    --bs-btn-color: var(--brand-on-primary);
    --bs-btn-bg: var(--brand-primary);
    --bs-btn-border-color: var(--brand-primary);
    --bs-btn-hover-color: var(--brand-on-primary);
    --bs-btn-hover-bg: var(--brand-primary-hover);
    --bs-btn-hover-border-color: var(--brand-primary-hover);
    --bs-btn-active-color: var(--brand-on-primary);
    --bs-btn-active-bg: var(--brand-primary-active);
    --bs-btn-active-border-color: var(--brand-primary-active);
    --bs-btn-disabled-color: var(--brand-on-primary);
    --bs-btn-disabled-bg: var(--brand-primary);
    --bs-btn-disabled-border-color: var(--brand-primary);
}

.btn-outline-primary {
    --bs-btn-color: var(--brand-primary);
    --bs-btn-border-color: var(--brand-primary);
    --bs-btn-hover-color: var(--brand-on-primary);
    --bs-btn-hover-bg: var(--brand-primary);
    --bs-btn-hover-border-color: var(--brand-primary);
    --bs-btn-active-color: var(--brand-on-primary);
    --bs-btn-active-bg: var(--brand-primary-hover);
    --bs-btn-active-border-color: var(--brand-primary-hover);
}

.btn-secondary {
    --bs-btn-color: var(--brand-on-secondary);
    --bs-btn-bg: var(--brand-secondary);
    --bs-btn-border-color: var(--brand-secondary);
    --bs-btn-hover-color: var(--brand-on-secondary);
    --bs-btn-hover-bg: var(--brand-secondary-hover);
    --bs-btn-hover-border-color: var(--brand-secondary-hover);
    --bs-btn-active-bg: var(--brand-secondary-hover);
}

.btn-soft {
    --bs-btn-color: var(--brand-primary);
    --bs-btn-bg: var(--brand-primary-soft);
    --bs-btn-border-color: transparent;
    --bs-btn-hover-color: var(--brand-on-primary);
    --bs-btn-hover-bg: var(--brand-primary);
    --bs-btn-hover-border-color: var(--brand-primary);
    --bs-btn-active-bg: var(--brand-primary-hover);
    --bs-btn-active-color: var(--brand-on-primary);
}

.btn-light {
    --bs-btn-bg: var(--surface-muted);
    --bs-btn-border-color: var(--border-color);
    --bs-btn-hover-bg: var(--surface-sunken);
    --bs-btn-hover-border-color: var(--border-color);
}

.btn-icon {
    --bs-btn-padding-x: 0;
    --bs-btn-padding-y: 0;
    width: 2.5rem;
    height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ---------- Forms ---------- */

.form-label { font-weight: 600; font-size: 0.875rem; margin-bottom: 0.375rem; }
.form-control, .form-select {
    border-color: var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.625rem 0.875rem;
}
.form-control-sm, .form-select-sm { padding: 0.375rem 0.625rem; }
/* Keep room for the select chevron. */
.form-select { padding-right: 2.5rem; }
.form-select-sm { padding-right: 2rem; }
.form-control:focus, .form-select:focus, .form-check-input:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 0.25rem rgba(var(--brand-primary-rgb), 0.15);
}
.form-check-input:checked { background-color: var(--brand-primary); border-color: var(--brand-primary); }

/* ---------- Accessibility ---------- */

/* Keyboard users always see where they are; mouse clicks don't leave rings behind. */
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex]:focus-visible,
.btn:focus-visible, .nav-link:focus-visible, .dropdown-item:focus-visible, .list-group-item-action:focus-visible {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
    box-shadow: none;
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
.form-text { color: var(--text-muted); }
.form-control-color { width: 3.25rem; padding: 0.375rem; }

/* ---------- Cards / surfaces ---------- */

.card {
    --bs-card-border-color: var(--border-color);
    --bs-card-border-radius: var(--radius);
    --bs-card-inner-border-radius: calc(var(--radius) - 1px);
    --bs-card-cap-bg: transparent;
    box-shadow: var(--shadow-sm);
}
.card-header { padding: 1rem 1.25rem; font-weight: 600; }
.card-body { padding: 1.25rem; }

.dropdown-menu {
    --bs-dropdown-border-color: var(--border-color);
    --bs-dropdown-border-radius: var(--radius-sm);
    --bs-dropdown-link-active-bg: var(--brand-primary);
    --bs-dropdown-item-padding-y: 0.5rem;
    box-shadow: var(--shadow-lg);
}

.badge { font-weight: 600; }
.badge-soft-primary { background: var(--brand-primary-soft); color: var(--brand-primary); }
.badge-soft-accent { background: var(--brand-accent-soft); color: var(--brand-accent); }

.alert { border-radius: var(--radius-sm); }

.pagination {
    --bs-pagination-color: var(--text-color);
    --bs-pagination-active-bg: var(--brand-primary);
    --bs-pagination-active-border-color: var(--brand-primary);
    --bs-pagination-border-color: var(--border-color);
    --bs-pagination-hover-color: var(--brand-primary);
    --bs-pagination-focus-box-shadow: 0 0 0 0.25rem rgba(var(--brand-primary-rgb), 0.2);
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
}
.empty-state-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background: var(--surface-muted);
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

/* ---------- Flash messages ---------- */

.flash-stack { position: fixed; right: 1rem; bottom: 1rem; left: 1rem; z-index: 1090; display: grid; gap: 0.5rem; justify-items: end; pointer-events: none; }
.flash-stack .alert { pointer-events: auto; max-width: 26rem; width: 100%; box-shadow: var(--shadow-lg); margin: 0; }