/**
 * Admin Panel - Component Styles
 * Buttons, Cards, Forms, Badges, Modals, etc.
 */

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Button Sizes */
.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* Button Variants */
.btn-primary {
    background-color: var(--color-primary-600);
    color: white;
    border-color: var(--color-primary-600);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-700);
    border-color: var(--color-primary-700);
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--color-gray-200);
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-gray-300);
    border-color: var(--color-gray-400);
}

.btn-success {
    background-color: var(--color-success-600);
    color: white;
    border-color: var(--color-success-600);
}

.btn-success:hover:not(:disabled) {
    background-color: var(--color-success-700);
}

.btn-danger {
    background-color: var(--color-danger-600);
    color: white;
    border-color: var(--color-danger-600);
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--color-danger-700);
}

.btn-warning {
    background-color: var(--color-warning-600);
    color: white;
    border-color: var(--color-warning-600);
}

.btn-warning:hover:not(:disabled) {
    background-color: var(--color-warning-700);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--color-gray-300);
    color: var(--color-gray-700);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

/* ===================================
   CARDS
   =================================== */
.card {
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
    background-color: var(--color-gray-50);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-gray-200);
    background-color: var(--color-gray-50);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin: 0;
}

/* ===================================
   FORMS
   =================================== */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: 0.375rem;
}

.form-label-required::after {
    content: " *";
    color: var(--color-danger-600);
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--color-gray-900);
    background-color: white;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-control:disabled {
    background-color: var(--color-gray-100);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-control.is-invalid {
    border-color: var(--color-danger-600);
}

.form-control.is-invalid:focus {
    border-color: var(--color-danger-600);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-select {
    display: block;
    width: 100%;
    padding: 0.5rem 2.25rem 0.5rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--color-gray-900);
    background-color: white;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1.5em 1.5em;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    appearance: none;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-select:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-checkbox,
.form-radio {
    width: 1rem;
    height: 1rem;
    margin-right: 0.5rem;
    border: 1px solid var(--color-gray-300);
    cursor: pointer;
}

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

.form-radio {
    border-radius: 50%;
}

.form-text {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.invalid-feedback {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--color-danger-600);
}

/* ===================================
   BADGES
   =================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-primary {
    background-color: var(--color-primary-100);
    color: var(--color-primary-700);
}

.badge-success {
    background-color: var(--color-success-50);
    color: var(--color-success-700);
}

.badge-warning {
    background-color: var(--color-warning-50);
    color: var(--color-warning-700);
}

.badge-danger {
    background-color: var(--color-danger-50);
    color: var(--color-danger-700);
}

.badge-info {
    background-color: var(--color-info-50);
    color: var(--color-info-700);
}

.badge-gray {
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
}

/* ===================================
   ALERTS
   =================================== */
.alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: var(--color-success-50);
    border-color: var(--color-success-200);
    color: var(--color-success-800);
}

.alert-warning {
    background-color: var(--color-warning-50);
    border-color: var(--color-warning-200);
    color: var(--color-warning-800);
}

.alert-danger {
    background-color: var(--color-danger-50);
    border-color: var(--color-danger-200);
    color: var(--color-danger-800);
}

.alert-info {
    background-color: var(--color-info-50);
    border-color: var(--color-info-200);
    color: var(--color-info-800);
}

/* ===================================
   TABLES
   =================================== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table thead th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--color-gray-700);
    background-color: var(--color-gray-50);
    border-bottom: 2px solid var(--color-gray-200);
}

.table tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-gray-200);
}

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

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--color-gray-50);
}

.table-hover tbody tr:hover {
    background-color: var(--color-gray-100);
}

/* ===================================
   MODALS
   =================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal {
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.modal-close:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-600);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* ===================================
   PAGINATION
   =================================== */
.pagination {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 0.25rem;
}

.pagination li a,
.pagination li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--color-gray-700);
    background-color: white;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s ease;
}

.pagination li a:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

.pagination li.active span {
    background-color: var(--color-primary-600);
    border-color: var(--color-primary-600);
    color: white;
}

.pagination li.disabled span {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===================================
   TOAST NOTIFICATIONS
   =================================== */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    max-width: 400px;
}

.toast {
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 1rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-icon {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-success .toast-icon {
    background-color: var(--color-success-100);
    color: var(--color-success-600);
}

.toast-error .toast-icon {
    background-color: var(--color-danger-100);
    color: var(--color-danger-600);
}

.toast-warning .toast-icon {
    background-color: var(--color-warning-100);
    color: var(--color-warning-600);
}

.toast-info .toast-icon {
    background-color: var(--color-info-100);
    color: var(--color-info-600);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.toast-message {
    font-size: 0.8125rem;
    color: var(--color-gray-600);
}

/* ===================================
   MOBILE RESPONSIVE
   =================================== */
@media (max-width: 640px) {
    .btn {
        width: 100%;
        justify-content: center;
    }

    .modal {
        max-width: 100%;
        margin: 0;
        border-radius: 0;
    }

    .toast-container {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }

    .card-body {
        padding: 1rem;
    }

    .table thead {
        display: none;
    }

    .table tbody tr {
        display: block;
        margin-bottom: 1rem;
        border: 1px solid var(--color-gray-200);
        border-radius: var(--radius-md);
    }

    .table tbody td {
        display: block;
        text-align: right;
        padding: 0.5rem 1rem;
        border-bottom: 1px solid var(--color-gray-100);
    }

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

    .table tbody td::before {
        content: attr(data-label);
        float: left;
        font-weight: 600;
        color: var(--color-gray-700);
    }
}