/* ============================================================
   SpeedyInv Admin — Components (Cards, Tables, Forms, etc.)
   ============================================================ */

/* --- Cards --- */
.si-card {
    background: var(--si-bg-surface);
    border: 1px solid var(--si-border);
    border-radius: 0.75rem;
    box-shadow: var(--si-shadow-sm);
    overflow: hidden;
}

.si-card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--si-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.si-card-header h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    color: var(--si-text);
}

.si-card-header p {
    font-size: 0.8125rem;
    color: var(--si-text-muted);
    margin: 0.125rem 0 0;
}

.si-card-header h5 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin: 0;
    color: var(--si-text);
}

.si-card-body {
    padding: 1.25rem;
}

/* Forms inside si-card need padding */
.si-card > form {
    padding: 1.25rem;
}

.si-card > form > .si-form-section:first-child {
    margin-top: 0;
}

.si-card-footer {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--si-border);
    background: var(--si-bg-surface-alt);
}

/* --- Stat Cards --- */
.si-stat-card {
    background: var(--si-bg-surface);
    border: 1px solid var(--si-border);
    border-radius: 0.75rem;
    padding: 1.25rem;
    box-shadow: var(--si-shadow-sm);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.si-stat-card:hover {
    box-shadow: var(--si-shadow-md);
    transform: translateY(-1px);
}

.si-stat-content {
    flex: 1;
    min-width: 0;
}

.si-stat-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--si-text-muted);
    margin-bottom: 0.375rem;
}

.si-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--si-text);
    line-height: 1.2;
}

.si-stat-change {
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.375rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.si-stat-change.positive { color: var(--si-success-text); }
.si-stat-change.negative { color: var(--si-danger-text); }

.si-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.si-stat-icon.primary { background: var(--si-primary-subtle); color: var(--si-primary-text); }
.si-stat-icon.success { background: var(--si-success-subtle); color: var(--si-success-text); }
.si-stat-icon.warning { background: var(--si-warning-subtle); color: var(--si-warning-text); }
.si-stat-icon.danger  { background: var(--si-danger-subtle);  color: var(--si-danger-text);  }
.si-stat-icon.info    { background: var(--si-info-subtle);    color: var(--si-info-text);    }

/* --- Tables --- */
.si-table-wrapper {
    overflow-x: auto;
    border-radius: 0.75rem;
    border: 1px solid var(--si-border);
}

.si-table {
    width: 100%;
    margin: 0;
    color: var(--si-text);
    border-collapse: collapse;
}

.si-table thead th {
    background: var(--si-table-header-bg);
    border-bottom: 1px solid var(--si-border);
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--si-text-muted);
    white-space: nowrap;
}

.si-table tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--si-border-light);
    font-size: 0.875rem;
    vertical-align: middle;
}

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

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

/* --- Badges --- */
.si-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}

.si-badge.primary { background: var(--si-primary-subtle); color: var(--si-primary-text); }
.si-badge.success { background: var(--si-success-subtle); color: var(--si-success-text); }
.si-badge.warning { background: var(--si-warning-subtle); color: var(--si-warning-text); }
.si-badge.danger  { background: var(--si-danger-subtle);  color: var(--si-danger-text);  }
.si-badge.info    { background: var(--si-info-subtle);    color: var(--si-info-text);    }
.si-badge.neutral { background: var(--si-bg-badge);       color: var(--si-text-secondary); }

/* --- Avatar --- */
.si-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.si-avatar.sm { width: 24px; height: 24px; font-size: 0.625rem; }
.si-avatar.lg { width: 48px; height: 48px; font-size: 1.125rem; }
.si-avatar.xl { width: 64px; height: 64px; font-size: 1.5rem; }

/* Color variants */
.si-avatar.c1 { background: #6366f1; }
.si-avatar.c2 { background: #8b5cf6; }
.si-avatar.c3 { background: #ec4899; }
.si-avatar.c4 { background: #f59e0b; }
.si-avatar.c5 { background: #22c55e; }
.si-avatar.c6 { background: #3b82f6; }

/* --- Buttons --- */
.si-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.12s ease;
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.5;
}

.si-btn-primary {
    background: var(--si-primary);
    color: white;
    border-color: var(--si-primary);
}
.si-btn-primary:hover { background: var(--si-primary-hover); border-color: var(--si-primary-hover); color: white; }

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

.si-btn-danger {
    background: var(--si-danger);
    color: white;
    border-color: var(--si-danger);
}
.si-btn-danger:hover { opacity: 0.9; color: white; }

.si-btn-success {
    background: var(--si-success);
    color: white;
    border-color: var(--si-success);
}
.si-btn-success:hover { opacity: 0.9; color: white; }

.si-btn-ghost {
    background: transparent;
    color: var(--si-text-secondary);
    border: none;
    padding: 0.375rem 0.5rem;
}
.si-btn-ghost:hover { background: var(--si-bg-hover); color: var(--si-text); }

.si-btn-sm { padding: 0.25rem 0.625rem; font-size: 0.8125rem; }
.si-btn-lg { padding: 0.625rem 1.25rem; font-size: 0.9375rem; }

/* --- Form Controls --- */
.si-form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--si-text);
    margin-bottom: 0.375rem;
}

.si-form-control,
.si-form-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--si-border);
    border-radius: 0.5rem;
    background: var(--si-bg-input);
    color: var(--si-text);
    transition: border-color 0.12s ease, box-shadow 0.12s ease;
    outline: none;
}

.si-form-control:focus,
.si-form-select:focus {
    border-color: var(--si-border-focus);
    box-shadow: 0 0 0 3px var(--si-primary-subtle);
}

.si-form-control::placeholder {
    color: var(--si-text-muted);
}

.si-form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8.825a.5.5 0 0 1-.354-.146l-4-4a.5.5 0 0 1 .708-.708L6 7.617l3.646-3.646a.5.5 0 0 1 .708.708l-4 4A.5.5 0 0 1 6 8.825z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.25rem;
}

/* --- Form Layout --- */
.si-form-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--si-border-light);
}

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

.si-form-section-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--si-text);
    margin: 0 0 1rem;
}

.si-form-row {
    display: grid;
    gap: 1rem;
    margin-bottom: 1rem;
}

.si-form-row.cols-2 { grid-template-columns: repeat(2, 1fr); }
.si-form-row.cols-3 { grid-template-columns: repeat(3, 1fr); }

.si-form-group {
    display: flex;
    flex-direction: column;
}

@media (max-width: 576px) {
    .si-form-row.cols-2,
    .si-form-row.cols-3 { grid-template-columns: 1fr; }
}

/* --- Toggle Switch --- */
.si-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    cursor: pointer;
    padding: 0.25rem 0;
    user-select: none;
}

.si-toggle input {
    position: relative;
    opacity: 0;
    width: 0;
    height: 0;
    margin: 0;
}

.si-toggle-slider {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 22px;
    flex-shrink: 0;
    background: var(--si-border);
    border-radius: 9999px;
    transition: 0.2s;
}

.si-toggle-slider::before {
    content: '';
    position: absolute;
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.2s;
}

.si-toggle input:checked + .si-toggle-slider {
    background: var(--si-primary);
}

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

.si-toggle-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--si-text-secondary);
}

/* --- Modal --- */
.si-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 1050;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.si-modal-backdrop.show {
    display: flex;
}

.si-modal {
    background: var(--si-bg-modal);
    border: 1px solid var(--si-border);
    border-radius: 0.75rem;
    box-shadow: var(--si-shadow-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.2s ease;
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-10px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.si-modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--si-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.si-modal-header h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin: 0;
}

.si-modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--si-text-muted);
    cursor: pointer;
    border-radius: 0.375rem;
    font-size: 1.125rem;
}

.si-modal-close:hover {
    background: var(--si-bg-hover);
    color: var(--si-text);
}

.si-modal-body {
    padding: 1.5rem;
}

.si-modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--si-border);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* --- Dropdown --- */
.si-dropdown {
    position: relative;
    display: inline-block;
}

.si-dropdown-trigger {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem 0.375rem;
    border-radius: 0.375rem;
    color: var(--si-text-secondary);
    font-size: 1rem;
    line-height: 1;
}

.si-dropdown-trigger:hover {
    background: var(--si-bg-hover);
    color: var(--si-text);
}

.si-dropdown-menu {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 0.25rem;
    background: var(--si-bg-dropdown);
    border: 1px solid var(--si-border);
    border-radius: 0.5rem;
    box-shadow: var(--si-shadow-md);
    min-width: 180px;
    padding: 0.25rem;
    z-index: 1060;
    display: none;
}

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

.si-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    color: var(--si-text);
    text-decoration: none;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

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

.si-dropdown-item.danger { color: var(--si-danger-text); }
.si-dropdown-item.danger:hover { background: var(--si-danger-subtle); }

.si-dropdown-divider {
    height: 1px;
    background: var(--si-border);
    margin: 0.25rem 0;
}

/* --- Toast Notifications --- */
.si-toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.si-toast {
    background: var(--si-bg-surface);
    border: 1px solid var(--si-border);
    border-radius: 0.5rem;
    box-shadow: var(--si-shadow-lg);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    min-width: 280px;
    max-width: 420px;
    pointer-events: auto;
    animation: toastSlideIn 0.25s ease;
    font-size: 0.875rem;
}

.si-toast.success { border-left: 3px solid var(--si-success); }
.si-toast.error   { border-left: 3px solid var(--si-danger); }
.si-toast.warning { border-left: 3px solid var(--si-warning); }
.si-toast.info    { border-left: 3px solid var(--si-info); }

.si-toast i {
    font-size: 1.125rem;
    flex-shrink: 0;
}

.si-toast.success i { color: var(--si-success); }
.si-toast.error i   { color: var(--si-danger); }
.si-toast.warning i { color: var(--si-warning); }
.si-toast.info i    { color: var(--si-info); }

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* --- Pagination --- */
.si-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    font-size: 0.8125rem;
    color: var(--si-text-muted);
}

.si-pagination-btns {
    display: flex;
    gap: 0.25rem;
}

.si-pagination-btn {
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
    border: 1px solid var(--si-border);
    background: var(--si-bg-surface);
    color: var(--si-text-secondary);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all 0.12s;
}

.si-pagination-btn:hover:not(:disabled) {
    background: var(--si-bg-hover);
    color: var(--si-text);
}

.si-pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.si-pagination-btn.active {
    background: var(--si-primary);
    color: white;
    border-color: var(--si-primary);
}

/* --- Empty State --- */
.si-empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--si-text-muted);
}

.si-empty-state i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.si-empty-state h5 {
    color: var(--si-text-secondary);
    margin-bottom: 0.5rem;
}

.si-empty-state p {
    font-size: 0.875rem;
    max-width: 360px;
    margin: 0 auto 1rem;
}

/* --- Tabs --- */
.si-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--si-border);
    margin-bottom: 1.5rem;
    overflow-x: auto;
}

.si-tab {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--si-text-muted);
    border: none;
    background: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    white-space: nowrap;
    transition: all 0.12s;
}

.si-tab:hover {
    color: var(--si-text);
}

.si-tab.active {
    color: var(--si-primary);
    border-bottom-color: var(--si-primary);
    font-weight: 600;
}

.si-tab i {
    margin-right: 0.375rem;
    font-size: 0.8125rem;
}

.si-tab-panel {
    display: none;
}

.si-tab-panel.active {
    display: block;
}

/* --- Filter Bar --- */
.si-filter-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.si-filter-bar .si-form-control,
.si-filter-bar .si-form-select {
    width: auto;
    min-width: 180px;
}

.si-filter-group {
    display: flex;
    gap: 0.25rem;
    background: var(--si-bg-surface);
    border: 1px solid var(--si-border-light);
    border-radius: 0.5rem;
    padding: 0.25rem;
}

.si-filter-chip {
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--si-text-secondary);
    background: transparent;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.12s;
    white-space: nowrap;
}

.si-filter-chip:hover {
    color: var(--si-text);
    background: var(--si-bg-hover);
}

.si-filter-chip.active {
    color: var(--si-primary);
    background: var(--si-primary-subtle);
    font-weight: 600;
}

.si-filter-info {
    font-size: 0.8125rem;
    color: var(--si-text-muted);
    margin-left: auto;
}

.si-search-input {
    position: relative;
}

.si-search-input i {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--si-text-muted);
    font-size: 0.875rem;
}

.si-search-input input {
    padding-left: 2.25rem;
}

/* --- Code / Pre --- */
code, pre {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

code {
    background: var(--si-bg-code);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.8125rem;
    color: var(--si-primary-text);
}

/* --- Progress Bar --- */
.si-progress {
    height: 6px;
    background: var(--si-bg-hover);
    border-radius: 9999px;
    overflow: hidden;
}

.si-progress-bar {
    height: 100%;
    border-radius: 9999px;
    background: var(--si-primary);
    transition: width 0.3s ease;
}

/* --- Loading Spinner --- */
.si-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--si-border);
    border-top-color: var(--si-primary);
    border-radius: 50%;
    animation: siSpin 0.6s linear infinite;
}

@keyframes siSpin {
    to { transform: rotate(360deg); }
}

.si-spinner.lg { width: 32px; height: 32px; border-width: 3px; }

/* --- Divider --- */
.si-divider {
    height: 1px;
    background: var(--si-border);
    margin: 1rem 0;
}