/**
 * Bootstrap Compatibility Layer - Components
 * Cards, alerts, modals, tabs, dropdowns
 */

/* ============================================
   CARD COMPONENT
   ============================================ */

.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-md);
    border: none;
}

.card-body {
    padding: var(--space-6);
}

.card-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.card-text {
    color: var(--color-text-muted);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border-light);
    background: transparent;
}

/* ============================================
   ALERT COMPONENT
   ============================================ */

.alert {
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-5);
    border: none;
    border-left: 4px solid;
}

.alert-danger {
    background: var(--color-error-light);
    color: var(--color-error-dark);
    border-color: var(--color-error-dark);
}

.alert-success {
    background: var(--color-success-light);
    color: var(--color-success);
    border-color: var(--color-success);
}

.alert-warning {
    background: var(--color-warning-light);
    color: #856404;
    border-color: var(--color-warning);
}

.alert-info {
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

/* ============================================
   MODAL COMPONENT
   ============================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1055;
    display: none;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    outline: 0;
}

.modal.show {
    display: block;
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1050;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-dialog {
    position: relative;
    width: auto;
    margin: 1.75rem auto;
    max-width: 500px;
    pointer-events: none;
}

.modal.show .modal-dialog {
    transform: none;
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: white;
    background-clip: padding-box;
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    outline: 0;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border-light);
}

.modal-title {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: var(--space-5);
}

.modal-footer {
    display: flex;
    flex-shrink: 0;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--color-border-light);
    gap: var(--space-2);
}

.btn-close {
    box-sizing: content-box;
    width: 1em;
    height: 1em;
    padding: 0.25em 0.25em;
    color: currentColor;
    background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000'%3e%3cpath d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat;
    border: 0;
    border-radius: var(--radius-sm);
    opacity: 0.5;
    cursor: pointer;
}

.btn-close:hover {
    opacity: 1;
}

/* ============================================
   TABS / NAV-TABS COMPONENT
   ============================================ */

.nav-tabs {
    display: flex;
    flex-wrap: wrap;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
    border-bottom: 1px solid var(--color-border-default);
}

.nav-tabs .nav-item {
    margin-bottom: -1px;
}

.nav-tabs .nav-link {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    text-decoration: none;
    background: none;
    border: 1px solid transparent;
    border-top-left-radius: var(--radius-md);
    border-top-right-radius: var(--radius-md);
    cursor: pointer;
}

.nav-tabs .nav-link:hover {
    color: var(--color-primary);
    border-color: var(--color-border-light) var(--color-border-light) var(--color-border-default);
}

.nav-tabs .nav-link.active {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    background-color: white;
    border-color: var(--color-border-default) var(--color-border-default) white;
}

.tab-content > .tab-pane {
    display: none;
}

.tab-content > .active {
    display: block;
}

/* ============================================
   DROPDOWN MENU (Bootstrap style)
   ============================================ */

.dropdown-menu {
    position: absolute;
    z-index: 1000;
    display: none;
    min-width: 10rem;
    padding: var(--space-2) 0;
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    text-align: left;
    list-style: none;
    background-color: white;
    background-clip: padding-box;
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: var(--space-2) var(--space-4);
    clear: both;
    font-weight: 400;
    color: var(--color-text-secondary);
    text-align: inherit;
    text-decoration: none;
    white-space: nowrap;
    background-color: transparent;
    border: 0;
}

.dropdown-item:hover {
    color: var(--color-text-primary);
    background-color: var(--color-bg-hover);
}

.dropdown-divider {
    height: 0;
    margin: var(--space-2) 0;
    overflow: hidden;
    border-top: 1px solid var(--color-border-light);
}

/* ============================================
   TABLE COMPONENT
   ============================================ */

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

.table th,
.table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
    vertical-align: middle;
}

.table th {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-md);
    color: var(--color-text-primary);
}

.table-striped tbody tr:nth-of-type(odd) {
    background: var(--color-bg-section);
}

.table-hover tbody tr:hover {
    background: var(--color-bg-hover);
}

/* ============================================
   BADGE COMPONENT
   ============================================ */

.badge {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.badge.bg-primary { background: var(--color-primary) !important; color: white; }
.badge.bg-success { background: var(--color-success) !important; color: white; }
.badge.bg-warning { background: var(--color-warning) !important; color: white; }
.badge.bg-danger { background: var(--color-error) !important; color: white; }
.badge.bg-info { background: var(--color-info) !important; color: white; }
.badge.bg-secondary { background: var(--color-text-muted) !important; color: white; }

/* ============================================
   NAVBAR
   ============================================ */

.navbar-brand {
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-2xl);
    color: var(--color-text-primary);
    text-decoration: none;
}

.navbar-brand:hover {
    color: var(--color-text-primary);
    text-decoration: none;
}