/* ==========================================================================
   DAE Manager - Design System
   Base styles, layout, components. Integra con Bootstrap 5.3.
   ========================================================================== */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --primary-darker: #1e40af;
    --primary-gradient: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);

    --success-color: #16a34a;
    --success-light: #d1fae5;
    --danger-color: #dc2626;
    --danger-light: #fee2e2;
    --warning-color: #b45309;
    --warning-light: #fef3c7;
    --info-color: #0284c7;
    --info-light: #dbeafe;

    --primary: var(--primary-color);
    --success: var(--success-color);
    --danger: var(--danger-color);
    --warning: var(--warning-color);
    --info: var(--info-color);

    --bg-color: #f1f5f9;
    --bg-secondary: #e2e8f0;
    --bg-surface: #ffffff;

    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #596579;
    --text-inverse: #ffffff;

    --border-color: #cbd5e1;
    --border-light: #e2e8f0;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    --focus-outline: 3px solid #fbbf24;
    --focus-outline-dark: 3px solid #1e293b;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';
    --font-mono: 'Monaco', 'Courier New', monospace;

    --sidebar-width: 260px;
    --header-height: 64px;
}

*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 8px);
}

body {
    margin: 0;
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-color);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

@media (max-width: 480px) {
    body { font-size: 0.875rem; }
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.25;
    margin-top: 0;
    margin-bottom: 0.75rem;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

@media (min-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
    h4 { font-size: 1.375rem; }
}

a { color: var(--primary-color); text-decoration: none; }
a:hover { color: var(--primary-dark); text-decoration: underline; }

/* Skip link */
.skip-link {
    position: absolute;
    top: -48px;
    left: 0;
    background: var(--primary-color);
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: 0 0 var(--radius-md) 0;
    z-index: 9999;
    font-weight: 600;
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-link:focus,
.skip-link:focus-visible {
    top: 0;
    color: #fff;
    outline: var(--focus-outline);
    outline-offset: 2px;
}

/* Focus visible (WCAG 2.2) */
*:focus-visible {
    outline: var(--focus-outline);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* App shell */
.app-layout { min-height: 100vh; }

.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    z-index: 1100;
}

.app-header__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-primary);
    text-decoration: none;
}

.app-header__brand:hover { text-decoration: none; color: var(--primary-color); }
.app-header__brand i { color: var(--primary-color); font-size: 1.5rem; }

.app-header__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hamburger {
    display: none;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.5rem;
}

.hamburger:hover { background-color: var(--bg-color); }

@media (max-width: 1023px) {
    .hamburger { display: inline-flex; }
}

.user-menu { position: relative; }

.user-menu__toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 0.375rem 0.75rem 0.375rem 0.375rem;
    cursor: pointer;
    min-height: 48px;
    color: var(--text-primary);
}

.user-menu__toggle:hover { background-color: var(--bg-color); }

.avatar-initials {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: #fff;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.user-menu__info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.2;
}

.user-menu__name { font-weight: 600; font-size: 0.9rem; color: var(--text-primary); }
.user-menu__role { font-size: 0.75rem; color: var(--text-muted); }

@media (max-width: 640px) {
    .user-menu__info { display: none; }
}

/* Sidebar */
.app-sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background-color: var(--primary-color);
    color: #fff;
    overflow-y: auto;
    z-index: 1050;
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-md);
}

.app-sidebar__nav { padding: 1rem 0.5rem; }
.app-sidebar__nav ul { list-style: none; margin: 0; padding: 0; }
.app-sidebar__nav > ul > li { margin-bottom: 0.125rem; }

.app-sidebar__link,
.app-sidebar__toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: var(--font-family);
    min-height: 48px;
    cursor: pointer;
    text-align: left;
}

.app-sidebar__link:hover,
.app-sidebar__toggle:hover {
    background-color: rgba(255, 255, 255, 0.12);
    color: #fff;
    text-decoration: none;
}

.app-sidebar__link[aria-current="page"] {
    background-color: rgba(255, 255, 255, 0.18);
    color: #fff;
    font-weight: 600;
}

.app-sidebar__link i,
.app-sidebar__toggle i.menu-icon {
    font-size: 1.125rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.app-sidebar__toggle .chevron {
    margin-left: auto;
    transition: transform 0.2s ease;
}

.app-sidebar__toggle[aria-expanded="true"] .chevron { transform: rotate(180deg); }

.app-sidebar__nav .app-sidebar__submenu {
    padding-left: 2.25rem;
    margin-top: 0.25rem;
}

.app-sidebar__submenu li { margin-bottom: 0.125rem; }

.app-sidebar__submenu a {
    display: flex;
    align-items: center;
    padding: 0.625rem 0.75rem;
    color: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    text-decoration: none;
    min-height: 44px;
    line-height: 1.5;
}

.app-sidebar__submenu a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    text-decoration: none;
}

.app-sidebar__submenu a[aria-current="page"] {
    background-color: rgba(255, 255, 255, 0.18);
    color: #fff;
    font-weight: 600;
}

.app-sidebar__section {
    padding: 1rem 1rem 0.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.5);
    z-index: 1040;
}

.sidebar-overlay.is-visible { display: block; }

@media (max-width: 1023px) {
    .app-sidebar { transform: translateX(-100%); }
    .app-sidebar.is-open { transform: translateX(0); }
}

.app-sidebar :focus-visible {
    outline: 3px solid #fbbf24;
    outline-offset: 2px;
}

/* Main */
.app-main {
    padding-top: var(--header-height);
    min-height: 100vh;
}

.app-main__content {
    padding: 2rem 1.5rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

@media (min-width: 1024px) {
    .app-main { margin-left: var(--sidebar-width); }
}

@media (max-width: 767px) {
    .app-main__content { padding: 1.25rem 1rem 2rem; }
}

/* Footer */
.app-footer {
    background-color: #1e293b;
    color: #e2e8f0;
    padding: 1.5rem;
    text-align: center;
    font-size: 0.875rem;
}

.app-footer a { color: #93c5fd; }

/* Cards */
.dae-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.dae-card__header {
    background: var(--primary-gradient);
    color: #fff;
    padding: 1rem 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dae-card__header h2,
.dae-card__header h3,
.dae-card__header h4 {
    color: #fff;
    margin: 0;
    font-size: clamp(1rem, 2vw, 1.25rem);
}

.dae-card__body { padding: 1.5rem; }

.dae-card__footer {
    background-color: var(--bg-color);
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-light);
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    flex-wrap: wrap;
}

/* Forms */
.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-light);
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .form-grid { grid-template-columns: 1fr; }
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.25rem;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group label .required { color: var(--danger-color); margin-left: 2px; }

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="tel"],
.form-group input[type="search"],
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 1rem;
    background-color: var(--bg-surface);
    color: var(--text-primary);
    min-height: 48px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
    outline: var(--focus-outline);
    outline-offset: 2px;
    border-color: var(--primary-color);
}

.form-group input[aria-invalid="true"],
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--danger-color);
    background-color: rgba(220, 38, 38, 0.03);
}

.form-help-text {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.375rem;
}

.validation-message,
.field-validation-error {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.375rem;
    display: block;
}

.validation-summary-errors {
    background-color: var(--danger-light);
    border: 1px solid var(--danger-color);
    color: #991b1b;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}

.validation-summary-errors ul {
    margin: 0.5rem 0 0;
    padding-left: 1.25rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    min-height: 48px;
    min-width: 48px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    font-family: var(--font-family);
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, transform 0.1s;
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
}

.btn:hover { text-decoration: none; }
.btn:focus-visible { outline: var(--focus-outline); outline-offset: 2px; }
.btn:active { transform: scale(0.98); }

.btn-primary { background-color: var(--primary-color); color: #fff; border-color: var(--primary-color); }
.btn-primary:hover { background-color: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }

.btn-secondary { background-color: var(--bg-secondary); color: var(--text-primary); border-color: var(--border-color); }
.btn-secondary:hover { background-color: var(--border-color); color: var(--text-primary); }

.btn-success { background-color: var(--success-color); color: #fff; border-color: var(--success-color); }
.btn-success:hover { background-color: #15803d; border-color: #15803d; color: #fff; }

.btn-danger { background-color: var(--danger-color); color: #fff; border-color: var(--danger-color); }
.btn-danger:hover { background-color: #b91c1c; border-color: #b91c1c; color: #fff; }

.btn-warning { background-color: var(--warning-color); color: #fff; border-color: var(--warning-color); }
.btn-warning:hover { background-color: #b45309; color: #fff; }

.btn-outline { background-color: transparent; color: var(--primary-color); border-color: var(--primary-color); }
.btn-outline:hover { background-color: var(--primary-color); color: #fff; }

.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; min-height: 44px; min-width: 44px; }
.btn-lg { padding: 1rem 2rem; font-size: 1.125rem; min-height: 56px; }

.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
}

/* Badges / pills */
.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.pill-primary { background-color: var(--info-light); color: var(--primary-darker); }
.pill-success { background-color: var(--success-light); color: #166534; }
.pill-danger  { background-color: var(--danger-light); color: #991b1b; }
.pill-warning { background-color: var(--warning-light); color: #92400e; }
.pill-info    { background-color: var(--info-light); color: #075985; }
.pill-muted   { background-color: var(--bg-secondary); color: var(--text-secondary); }

.role-badge {
    display: inline-flex;
    font-weight: 600;
    border: 1px solid;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    white-space: nowrap;
}

.role-badge--admin     { background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }
.role-badge--poweruser { background: #f0fdf4; color: #166534; border-color: #bbf7d0; }
.role-badge--cliente   { background: #fefce8; color: #854d0e; border-color: #fde68a; }

/* Tables */
.table-wrapper {
    overflow-x: auto;
    background-color: var(--bg-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin: 1rem 0 1.5rem;
}

.table-wrapper table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}

.table-wrapper thead {
    background: var(--primary-gradient);
    color: #fff;
}

.table-wrapper th {
    padding: 0.875rem 1.25rem;
    text-align: left;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.025em;
}

.table-wrapper tbody tr {
    border-bottom: 1px solid var(--border-light);
    transition: background-color 0.15s;
}

.table-wrapper tbody tr:hover { background-color: var(--bg-color); }
.table-wrapper tbody tr:last-child { border-bottom: none; }

.table-wrapper td {
    padding: 0.875rem 1.25rem;
    color: var(--text-primary);
    vertical-align: middle;
}

@media (max-width: 768px) {
    .table-wrapper thead { display: none; }

    .table-wrapper tbody,
    .table-wrapper tr,
    .table-wrapper td {
        display: block;
        width: 100%;
    }

    .table-wrapper tbody tr {
        margin-bottom: 0.75rem;
        border: 1px solid var(--border-light);
        border-radius: var(--radius-md);
        background-color: var(--bg-surface);
    }

    .table-wrapper td {
        text-align: right;
        padding: 0.625rem 1rem;
        border-bottom: 1px solid var(--border-light);
        min-height: 44px;
    }

    .table-wrapper td:last-child { border-bottom: none; }

    .table-wrapper td::before {
        content: attr(data-label);
        float: left;
        font-weight: 600;
        color: var(--text-secondary);
    }
}

/* Stats cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--info-light);
    color: var(--primary-color);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.stat-card__value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-card__label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid;
    margin-bottom: 1.5rem;
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.alert-success { background-color: var(--success-light); border-color: var(--success-color); color: #166534; }
.alert-danger  { background-color: var(--danger-light); border-color: var(--danger-color); color: #991b1b; }
.alert-warning { background-color: var(--warning-light); border-color: var(--warning-color); color: #92400e; }
.alert-info    { background-color: var(--info-light); border-color: var(--info-color); color: #075985; }

/* Toggle switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
    flex-shrink: 0;
    cursor: pointer;
    margin: 0;
}

.toggle-switch input { opacity: 0; width: 0; height: 0; position: absolute; }

.toggle-switch__slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: #94a3b8;
    border-radius: 28px;
    transition: background-color 0.3s;
}

.toggle-switch__slider::before {
    content: "";
    position: absolute;
    height: 22px;
    width: 22px;
    left: 3px;
    top: 3px;
    background-color: #fff;
    border-radius: 50%;
    transition: left 0.3s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.toggle-switch input:checked + .toggle-switch__slider { background-color: var(--success-color); }
.toggle-switch input:checked + .toggle-switch__slider::before { left: 27px; }

.toggle-switch input:focus-visible + .toggle-switch__slider {
    outline: var(--focus-outline);
    outline-offset: 2px;
}

.toggle-switch-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.25rem;
}

.toggle-switch__label {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Login layout */
.login-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: var(--primary-gradient);
}

.login-card {
    width: 100%;
    max-width: 440px;
    background-color: var(--bg-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem 2rem;
}

.login-card__brand { text-align: center; margin-bottom: 1.5rem; }
.login-card__brand h1 { font-size: 1.5rem; color: var(--primary-color); margin-bottom: 0.25rem; }
.login-card__brand p { color: var(--text-muted); margin: 0; }

/* Utilities */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.page-header h1 { margin: 0; }

.breadcrumb-nav {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.breadcrumb-nav ol {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    padding: 0;
    margin: 0;
}

.breadcrumb-nav li + li::before {
    content: "/";
    margin-right: 0.375rem;
    color: var(--border-color);
}

/* ==========================================================================
   Shared Action Components
   ========================================================================== */

.action-buttons {
    display: inline-flex;
    gap: 0.35rem;
    align-items: center;
}

.btn-action {
    background: #f1f5f9;
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    min-width: 44px;
    min-height: 44px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    text-decoration: none;
    transition: background-color 0.2s;
    line-height: 1;
}

.btn-action:hover { background: #e2e8f0; }

.btn-action--danger {
    background: #fef2f2;
    color: var(--danger);
}

.btn-action--danger:hover { background: #fee2e2; }

.btn-action-text {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: background-color 0.2s;
}

.btn-action-text--primary {
    background: #eff6ff;
    color: var(--primary);
}

.btn-action-text--primary:hover { background: #dbeafe; }

.status-badge {
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    white-space: nowrap;
}

.status-badge--active {
    background: #dcfce7;
    color: #166534;
}

.status-badge--inactive {
    background: #fee2e2;
    color: #991b1b;
}

.row-disabled { opacity: 0.6; }

/* Text utilities */
.text-end { text-align: right; }
.text-center { text-align: center; }
.fw-500 { font-weight: 500; }
.d-inline { display: inline; }

/* ==========================================================================
   Focus scroll-margin for fixed header (WCAG 2.4.11)
   ========================================================================== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    scroll-margin-top: calc(var(--header-height) + 8px);
}

/* ==========================================================================
   Bootstrap form-control override for design system alignment
   ========================================================================== */
.form-control {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 1rem;
    background-color: var(--bg-surface);
    color: var(--text-primary);
    min-height: 48px;
    padding: 0.75rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus-visible {
    outline: var(--focus-outline);
    outline-offset: 2px;
    border-color: var(--primary-color);
    box-shadow: none;
}

[hidden] { display: none !important; }