/* E2 WhatsApp - Shared component library */

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    height: 42px;
    padding: 0 var(--space-5);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
    white-space: nowrap;
}

.btn .material-symbols-rounded {
    font-size: 20px;
}

.btn-sm {
    height: 34px;
    padding: 0 var(--space-4);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-md);
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

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

.btn-outline {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text-primary);
}

.btn-outline:hover {
    border-color: var(--color-border-strong);
    color: var(--color-text-primary);
}

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

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

.btn-danger-outline {
    background: var(--color-danger-bg);
    color: var(--color-danger-text);
    border-color: transparent;
}

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

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

.btn-icon {
    width: 42px;
    padding: 0;
    flex-shrink: 0;
}

.btn-block {
    width: 100%;
}

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

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.card-body {
    padding: var(--space-5);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-5) 0;
    margin-bottom: var(--space-4);
}

.card-header h3 {
    font-size: var(--font-size-md);
    margin: 0;
}

.card-header .card-link {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-primary);
}

/* ---------- Stat card ---------- */

.stat-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: var(--space-5);
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card-icon.tone-primary { background: var(--color-info-bg); color: var(--color-info); }
.stat-card-icon.tone-success { background: var(--color-success-bg); color: var(--color-success); }
.stat-card-icon.tone-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.stat-card-icon.tone-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.stat-card-icon.tone-purple { background: var(--color-purple-bg); color: var(--color-purple); }

.stat-card-body {
    flex: 1;
    min-width: 0;
}

.stat-card-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: 2px;
}

.stat-card-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.stat-card-trend {
    font-size: var(--font-size-xs);
    display: inline-flex;
    align-items: center;
    gap: 2px;
    margin-top: 4px;
}

.stat-card-trend.up { color: var(--color-success); }
.stat-card-trend.down { color: var(--color-danger); }

.stat-card-trend .material-symbols-rounded {
    font-size: 14px;
}

/* ---------- Badges ---------- */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px var(--space-3);
    border-radius: var(--radius-pill);
    font-size: var(--font-size-xs);
    font-weight: 600;
    line-height: 1.6;
    white-space: nowrap;
}

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

.badge-success { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger-text); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning-text); }
.badge-info { background: var(--color-info-bg); color: var(--color-info-text); }
.badge-purple { background: var(--color-purple-bg); color: var(--color-purple-text); }
.badge-neutral { background: var(--color-surface-alt); color: var(--color-text-secondary); }

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

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.form-control,
.form-select {
    width: 100%;
    height: 44px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-primary);
    padding: 0 var(--space-4);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

textarea.form-control {
    height: auto;
    padding: var(--space-3) var(--space-4);
    resize: vertical;
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.input-icon-group {
    position: relative;
}

.input-icon-group .material-symbols-rounded {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

.input-icon-group .form-control {
    padding-left: 44px;
}

.input-icon-group .input-suffix-btn {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.form-switch {
    position: relative;
    display: inline-block;
    width: 42px;
    height: 24px;
    flex-shrink: 0;
}

.form-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.form-switch .slider {
    position: absolute;
    inset: 0;
    background: var(--color-border-strong);
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.form-switch .slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

.form-switch input:checked + .slider {
    background: var(--color-primary);
}

.form-switch input:checked + .slider::before {
    transform: translateX(18px);
}

/* ---------- Tables ---------- */

.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.data-table th {
    text-align: left;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

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

.data-table tbody tr:hover {
    background: var(--color-surface-alt);
}

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

.table-avatar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.table-avatar img,
.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.avatar-sm { width: 28px; height: 28px; }
.avatar-lg { width: 64px; height: 64px; }

/* ---------- Pagination ---------- */

.pagination-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    flex-wrap: wrap;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.pagination a:hover {
    background: var(--color-surface-alt);
}

.pagination .active {
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
}

/* ---------- Dropdown ---------- */

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 200px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
    z-index: 1040;
    display: none;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    cursor: pointer;
}

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

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

/* ---------- Modal ---------- */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    padding: var(--space-4);
}

.modal-backdrop.open {
    display: flex;
}

.modal {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

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

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
}

.modal-body {
    padding: var(--space-5);
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-5);
    border-top: 1px solid var(--color-border);
}

/* ---------- Toast ---------- */

.toast-container {
    position: fixed;
    top: var(--space-5);
    right: var(--space-5);
    z-index: 1060;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    min-width: 320px;
    max-width: 380px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-4);
    animation: toast-in var(--transition-base);
}

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

.toast-icon { flex-shrink: 0; }
.toast.toast-success .toast-icon { color: var(--color-success); }
.toast.toast-danger .toast-icon { color: var(--color-danger); }
.toast.toast-warning .toast-icon { color: var(--color-warning); }
.toast.toast-info .toast-icon { color: var(--color-info); }

.toast-body { flex: 1; font-size: var(--font-size-sm); }
.toast-close { background: none; border: none; color: var(--color-text-muted); cursor: pointer; flex-shrink: 0; }

@keyframes toast-in {
    from { opacity: 0; transform: translateX(16px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ---------- Alerts ---------- */

.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
}

.alert-success { background: var(--color-success-bg); color: var(--color-success-text); }
.alert-danger { background: var(--color-danger-bg); color: var(--color-danger-text); }
.alert-warning { background: var(--color-warning-bg); color: var(--color-warning-text); }
.alert-info { background: var(--color-info-bg); color: var(--color-info-text); }

/* ---------- Tabs ---------- */

.tabs {
    display: flex;
    gap: var(--space-5);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-5);
    overflow-x: auto;
}

.tab-item {
    padding: var(--space-3) 0;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    cursor: pointer;
}

.tab-item.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* ---------- Timeline ---------- */

.timeline {
    position: relative;
    padding-left: var(--space-6);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-5);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-6) + 2px);
    top: 4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* ---------- Empty state ---------- */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-10);
    color: var(--color-text-secondary);
}

.empty-state .material-symbols-rounded {
    font-size: 48px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.empty-state h4 {
    margin-bottom: var(--space-2);
}

/* ---------- Skeleton loading ---------- */

.skeleton {
    background: linear-gradient(90deg, var(--color-surface-alt) 25%, var(--color-border) 37%, var(--color-surface-alt) 63%);
    background-size: 400% 100%;
    animation: skeleton-loading 1.4s ease infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 100% 50%; }
    100% { background-position: 0 50%; }
}

.skeleton-text { height: 12px; margin-bottom: 8px; }
.skeleton-title { height: 20px; width: 40%; margin-bottom: 12px; }
.skeleton-card { height: 100px; border-radius: var(--radius-xl); }

/* ---------- Radial gauge (server health, small % rings) ---------- */

.gauge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-align: center;
}

.gauge-ring {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: conic-gradient(var(--gauge-color, var(--color-primary)) calc(var(--gauge-value, 0) * 1%), var(--color-surface-alt) 0);
    position: relative;
}

.gauge-ring::before {
    content: '';
    position: absolute;
    inset: 6px;
    border-radius: 50%;
    background: var(--color-surface);
}

.gauge-ring span {
    position: relative;
    z-index: 1;
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-text-primary);
}

.gauge-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-primary);
}

.gauge-detail {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
}

/* ---------- Progress bar (queue monitor) ---------- */

.progress-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.progress-row:last-child { margin-bottom: 0; }

.progress-row-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 16px;
}

.progress-row-label {
    width: 90px;
    flex-shrink: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.progress-track {
    flex: 1;
    height: 8px;
    border-radius: var(--radius-pill);
    background: var(--color-surface-alt);
    overflow: hidden;
}

.progress-track-fill {
    height: 100%;
    border-radius: var(--radius-pill);
    background: var(--color-primary);
}

.progress-row-value {
    width: 56px;
    text-align: right;
    flex-shrink: 0;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* ---------- Chart card ---------- */

.chart-card-legend {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.chart-card-legend .legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.chart-card-legend .legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}