/* ============================================
   BEF DAYS — UI Components
   Button, Card, Input, Table, Badge, Modal, Toast
   ============================================ */

/* ─── BUTTON ─────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    height: var(--button-height);
    padding: 0 var(--space-lg);
    font: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1;
}

.btn:focus-visible {
    box-shadow: var(--shadow-focus);
}

.btn:disabled,
.btn.is-loading {
    opacity: 0.5;
    pointer-events: none;
}

.btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-text-inverse);
    border-color: var(--color-accent);
}

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

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

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

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

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

.btn-danger {
    background: var(--color-error);
    color: var(--color-text-inverse);
    border-color: var(--color-error);
}

.btn-danger:hover {
    background: #b04a47;
    color: var(--color-text-inverse);
}

.btn-sm {
    height: var(--button-height-sm);
    padding: 0 var(--space-md);
    font-size: 12px;
}

.btn-lg {
    height: var(--button-height-lg);
    padding: 0 var(--space-xl);
    font-size: 15px;
}

.btn-icon {
    width: var(--button-height);
    padding: 0;
}

.btn-icon.btn-sm {
    width: var(--button-height-sm);
}

/* ─── CARD ───────────────────────────────── */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
}

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

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--color-border-subtle);
}

.card-header h2,
.card-header h3 {
    margin: 0;
}

.card-footer {
    padding: var(--space-lg) var(--space-xl);
    border-top: 1px solid var(--color-border-subtle);
}

.card-interactive {
    cursor: pointer;
    transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

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

/* Stat card */
.stat-card {
    padding: var(--space-xl);
}

.stat-card .stat-label {
    font: var(--text-caption);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.stat-card .stat-value {
    font: var(--text-h1);
    letter-spacing: -0.02em;
}

.stat-card .stat-change {
    font: var(--text-caption);
    margin-top: var(--space-xs);
}

/* ─── INPUT / FORM ───────────────────────── */
.form-group {
    margin-bottom: var(--space-xl);
}

.form-label {
    display: block;
    font: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.form-label .optional {
    font-weight: 400;
    color: var(--color-text-tertiary);
}

.form-hint {
    font: var(--text-caption);
    color: var(--color-text-tertiary);
    margin-top: var(--space-xs);
}

.form-error {
    font: var(--text-caption);
    color: var(--color-error);
    margin-top: var(--space-xs);
}

.form-section-title {
    font: var(--text-label);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border-subtle);
    margin-bottom: var(--space-xl);
    margin-top: var(--space-2xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

/* Round checkbox (tik) */
.checkbox-round {
    width: 22px;
    height: 22px;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    appearance: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.checkbox-round:checked {
    background: var(--color-success);
    border-color: var(--color-success);
}

.checkbox-round:checked::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 6px;
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.input,
.textarea,
.select {
    width: 100%;
    height: var(--input-height);
    padding: 0 var(--space-md);
    font: var(--text-body);
    color: var(--color-text-primary);
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input::placeholder,
.textarea::placeholder {
    color: var(--color-text-placeholder);
}

.input:focus,
.textarea:focus,
.select:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: var(--shadow-focus);
}

.input.is-error,
.textarea.is-error,
.select.is-error {
    border-color: var(--color-error);
}

.input.is-error:focus {
    box-shadow: 0 0 0 3px rgba(199, 84, 80, 0.12);
}

.input-sm {
    height: var(--input-height-sm);
    font-size: 13px;
}

.input:disabled,
.textarea:disabled,
.select:disabled,
.input[disabled],
.textarea[disabled],
.select[disabled] {
    background: var(--color-bg-page);
    color: var(--color-text-tertiary);
    cursor: not-allowed;
    border-color: var(--color-border-subtle);
}

.textarea {
    height: auto;
    min-height: 100px;
    padding: var(--space-md);
    resize: vertical;
}

.select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B6B6B' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Checkbox / Toggle */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.checkbox {
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    appearance: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.checkbox:checked {
    background: var(--color-accent);
    border-color: var(--color-accent);
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='10' viewBox='0 0 12 10' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 5L4.5 8.5L11 1.5' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.toggle {
    position: relative;
    width: 40px;
    height: 22px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--transition-fast);
    appearance: none;
    border: none;
}

.toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-xs);
}

.toggle:checked {
    background: var(--color-accent);
}

.toggle:checked::after {
    transform: translateX(18px);
}

/* ─── BADGE ──────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 2px 8px;
    font: var(--text-caption);
    font-weight: 500;
    border-radius: var(--radius-full);
    background: var(--color-bg-hover);
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.badge-dot::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

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

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

.badge-error {
    background: var(--color-error-bg);
    color: var(--color-error);
}

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

/* ─── TABLE ──────────────────────────────── */
.table-wrapper {
    overflow: visible;
}

.table {
    margin-bottom: 0;
}

.table-wrapper+.card-footer {
    border-top: 1px solid var(--color-border-subtle);
}

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

.table th {
    font: var(--text-caption);
    font-weight: 500;
    color: var(--color-text-secondary);
    text-align: left;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.table td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border-subtle);
    vertical-align: middle;
}

.table tbody tr {
    transition: background var(--transition-fast);
}

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

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

.table th.sortable {
    cursor: pointer;
    user-select: none;
}

.table th.sortable:hover {
    color: var(--color-text-primary);
}

/* ─── MODAL ──────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--color-bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.is-active .modal {
    transform: translateY(0);
}

.modal-lg {
    max-width: 720px;
}

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

.modal-body {
    padding: var(--space-xl);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-xl);
    border-top: 1px solid var(--color-border-subtle);
}

/* ─── TOAST ──────────────────────────────── */
.toast-container {
    position: fixed;
    top: var(--space-xl);
    right: var(--space-xl);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border-left: 3px solid var(--color-border);
    min-width: 320px;
    max-width: 420px;
    pointer-events: all;
    animation: toastIn 0.3s ease;
}

.toast-success {
    border-left-color: var(--color-success);
}

.toast-error {
    border-left-color: var(--color-error);
}

.toast-warning {
    border-left-color: var(--color-warning);
}

.toast-info {
    border-left-color: var(--color-info);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 500;
    margin-bottom: 2px;
}

.toast-message {
    font: var(--text-sm);
    color: var(--color-text-secondary);
}

.toast-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-tertiary);
    padding: 2px;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ─── DROPDOWN ───────────────────────────── */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.97);
    transform-origin: top right;
    transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.2s;
    padding: var(--space-xs);
}

.dropdown.is-open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font: var(--text-sm);
    color: var(--color-text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

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

.dropdown-item-danger {
    color: var(--color-error);
}

.dropdown-divider {
    border-top: 1px solid var(--color-border-subtle);
    margin: var(--space-xs) 0;
}

/* ─── EMPTY STATE ────────────────────────── */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-4xl) var(--space-xl);
    text-align: center;
}

.empty-state-icon {
    width: 48px;
    height: 48px;
    color: var(--color-text-placeholder);
    margin-bottom: var(--space-lg);
}

.empty-state h3 {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.empty-state p {
    color: var(--color-text-tertiary);
    max-width: 360px;
    margin-bottom: var(--space-xl);
}

/* ─── SKELETON ───────────────────────────── */
.skeleton {
    background: linear-gradient(90deg, var(--color-bg-hover) 25%, var(--color-bg-active) 50%, var(--color-bg-hover) 75%);
    background-size: 200% 100%;
    animation: skeleton-pulse 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 14px;
    margin-bottom: var(--space-sm);
}

.skeleton-title {
    height: 20px;
    width: 60%;
    margin-bottom: var(--space-md);
}

.skeleton-card {
    height: 120px;
}

@keyframes skeleton-pulse {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ─── TAG ────────────────────────────────── */
.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 2px 10px;
    font: var(--text-caption);
    background: var(--color-accent-light);
    color: var(--color-text-secondary);
    border-radius: var(--radius-full);
}

.tag-remove {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-tertiary);
    padding: 0;
    font-size: 14px;
    line-height: 1;
}

.tag-remove:hover {
    color: var(--color-error);
}

/* ─── AVATAR ─────────────────────────────── */
.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-accent-light);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font: var(--text-caption);
    font-weight: 600;
    overflow: hidden;
    flex-shrink: 0;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-sm {
    width: 24px;
    height: 24px;
    font-size: 10px;
}

.avatar-lg {
    width: 40px;
    height: 40px;
    font-size: 14px;
}

/* ─── BREADCRUMB ─────────────────────────── */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font: var(--text-sm);
    color: var(--color-text-tertiary);
}

.breadcrumb a {
    color: var(--color-text-secondary);
}

.breadcrumb a:hover {
    color: var(--color-text-primary);
}

.breadcrumb-sep {
    color: var(--color-text-placeholder);
}

/* ─── PAGINATION ─────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 var(--space-sm);
    font: var(--text-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.pagination a {
    color: var(--color-text-secondary);
}

.pagination a:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.pagination .active {
    background: var(--color-accent);
    color: var(--color-text-inverse);
    font-weight: 500;
}

.pagination .disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* ─── ALERT ──────────────────────────────── */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    font: var(--text-sm);
}

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

.alert-error {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.alert-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.alert-info {
    background: var(--color-info-bg);
    color: var(--color-info);
}

/* ─── STEPPER (wizard) ───────────────────── */
.stepper {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.stepper-step {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font: var(--text-sm);
    color: var(--color-text-tertiary);
}

.stepper-step.is-active {
    color: var(--color-text-primary);
    font-weight: 500;
}

.stepper-step.is-completed {
    color: var(--color-success);
}

.stepper-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font: var(--text-caption);
    font-weight: 600;
    background: var(--color-bg-hover);
    color: var(--color-text-tertiary);
}

.stepper-step.is-active .stepper-number {
    background: var(--color-accent);
    color: var(--color-text-inverse);
}

.stepper-step.is-completed .stepper-number {
    background: var(--color-success);
    color: white;
}

.stepper-line {
    flex: 1;
    height: 1px;
    background: var(--color-border);
    min-width: 20px;
}

/* ─── FILTER BAR ─────────────────────────── */
.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
}

.filter-bar .input,
.filter-bar .select {
    height: var(--input-height-sm);
    font-size: 13px;
    width: auto;
    min-width: 150px;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 4px 10px;
    background: var(--color-accent-light);
    border-radius: var(--radius-full);
    font: var(--text-caption);
    color: var(--color-text-secondary);
}

.filter-chip-remove {
    cursor: pointer;
    color: var(--color-text-tertiary);
    background: none;
    border: none;
    font-size: 14px;
    line-height: 1;
}

/* ─── COLOR PICKER (MODERN) ──────────────── */
.color-picker-modern {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-xs);
    width: fit-content;
    background: var(--color-bg-input);
    transition: border-color var(--transition-fast);
}

.color-picker-modern:focus-within {
    border-color: var(--color-border-focus);
    box-shadow: var(--shadow-focus);
}

.color-picker-preview {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.color-picker-preview:hover {
    transform: scale(1.08);
}

.color-picker-hidden {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    pointer-events: none;
}

.color-picker-hex {
    width: 80px;
    border: none;
    outline: none;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-text-primary);
    background: transparent;
    padding: var(--space-xs) var(--space-sm);
}

/* ─── THEME PREVIEW TOOLTIP ──────────────── */
.theme-preview-tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(6px) scale(0.95);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.2s;
    pointer-events: none;
}

label:hover>.theme-preview-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) scale(1);
}