/* ===== Base ===== */
html, body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI Variable', 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    background: var(--neutral-layer-1);
    color: var(--neutral-foreground-rest);
    height: 100%;
    -webkit-font-smoothing: antialiased;
}

*, *::before, *::after {
    box-sizing: border-box;
}

h1:focus, h2:focus, h3:focus, main:focus {
    outline: none;
}

.app-layout {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* ===== Header ===== */
.app-header {
    display: flex;
    align-items: center;
    height: 48px;
    padding: 0 1.25rem;
    background: var(--accent-fill-rest);
    color: var(--foreground-on-accent-rest, #fff);
    gap: 0.75rem;
    flex-shrink: 0;
    z-index: 100;
    box-shadow: 0 1px 2px rgba(0,0,0,0.14);
}

.app-header-title {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.app-header-link {
    color: var(--foreground-on-accent-rest, #fff) !important;
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    transition: background 0.12s;
    cursor: pointer;
}

.app-header-link:hover {
    background: rgba(255,255,255,0.15);
}

.app-header-btn {
    background: none;
    border: none;
    font: inherit;
    display: inline;
    color: inherit;
}

/* ===== Body (sidebar + content) ===== */
.app-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ===== Sidebar ===== */
.app-sidebar {
    width: 200px;
    background: var(--neutral-layer-2);
    border-right: 1px solid var(--neutral-stroke-divider-rest);
    padding: 0.75rem 0;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.app-nav-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 1rem;
    margin: 0 0.5rem;
    border-radius: 6px;
    text-decoration: none;
    color: var(--neutral-foreground-rest);
    font-size: 0.875rem;
    font-weight: 400;
    transition: background 0.12s;
}

.app-nav-item:hover {
    background: var(--neutral-fill-stealth-hover);
    color: var(--neutral-foreground-rest);
}

.app-nav-item svg {
    flex-shrink: 0;
    opacity: 0.75;
}

/* ===== Content area ===== */
.app-content {
    flex: 1;
    padding: 1.5rem 2rem;
    overflow-y: auto;
    background: var(--neutral-layer-1);
}

/* ===== Page headings ===== */
.app-content h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 0.25rem 0;
    color: var(--neutral-foreground-rest);
}

/* ===== Key-Value Grid ===== */
.kv-grid-wrapper {
    background: var(--neutral-layer-2);
    border: 1px solid var(--neutral-stroke-divider-rest);
    border-radius: 8px;
    overflow: hidden;
}

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

.kv-grid thead th {
    background: var(--neutral-layer-3, var(--neutral-layer-2));
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--neutral-foreground-hint);
    padding: 0.65rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--neutral-stroke-divider-rest);
}

.kv-grid tbody tr {
    border-bottom: 1px solid var(--neutral-stroke-divider-rest);
}

.kv-grid tbody tr:last-child {
    border-bottom: none;
}

.kv-grid tbody tr:hover {
    background: var(--neutral-fill-stealth-hover);
}

.kv-grid tbody td {
    padding: 0.6rem 1rem;
    vertical-align: middle;
}

.kv-grid-key {
    font-weight: 600;
    color: var(--neutral-foreground-rest);
}

.kv-grid-value {
    color: var(--neutral-foreground-rest);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.kv-grid-value code {
    font-family: 'Cascadia Code', 'Fira Code', Consolas, monospace;
    font-size: 0.82rem;
    color: var(--accent-foreground-rest);
    background: var(--neutral-fill-secondary-rest);
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
}

.kv-grid-actions-col {
    text-align: right;
    white-space: nowrap;
}

/* Grid footer / paginator */
.kv-grid-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    border-top: 1px solid var(--neutral-stroke-divider-rest);
    background: var(--neutral-layer-3, var(--neutral-layer-2));
    font-size: 0.82rem;
    color: var(--neutral-foreground-hint);
}

.kv-grid-count {
    font-weight: 500;
}

.kv-grid-pager {
    display: flex;
    align-items: center;
    gap: 2px;
}

.kv-grid-page-label {
    padding: 0 0.5rem;
    font-weight: 500;
}

/* Environment badge */
.kv-env-badge {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    background: var(--neutral-fill-secondary-rest);
    color: var(--neutral-foreground-rest);
}

.kv-env-global {
    background: var(--accent-fill-rest);
    color: var(--foreground-on-accent-rest, #fff);
}

/* FluentButton polish */
fluent-button[appearance="accent"] {
    border-radius: 6px;
}

fluent-button[appearance="outline"] {
    border-radius: 6px;
}

/* FluentSelect */
fluent-select {
    min-width: 160px;
}

/* Constrain dropdown listbox height so all items are accessible via scroll */
fluent-select .listbox,
fluent-select [role="listbox"] {
    max-height: 220px !important;
    overflow-y: auto !important;
}

/* FluentDialog */
fluent-dialog {
    border-radius: 12px !important;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18) !important;
}


/* Empty state */
.empty-state-card {
    text-align: center;
    padding: 3rem 1rem;
    background: var(--neutral-layer-2);
    border: 1px dashed var(--neutral-stroke-rest);
    border-radius: 8px;
    color: var(--neutral-foreground-hint);
}

/* ===== JSON editor textarea ===== */
.json-editor-textarea {
    width: 100%;
    font-family: 'Cascadia Code', 'Fira Code', 'Consolas', 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    padding: 0.75rem;
    border: 1px solid var(--neutral-stroke-rest);
    border-radius: 6px;
    resize: vertical;
    tab-size: 2;
    background: var(--neutral-layer-1);
    color: var(--neutral-foreground-rest);
}

.json-editor-textarea:focus {
    outline: 2px solid var(--accent-fill-rest);
    outline-offset: -1px;
    border-color: var(--accent-fill-rest);
}

/* ===== Environment toolbar ===== */
.env-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    background: var(--neutral-layer-2);
    border: 1px solid var(--neutral-stroke-divider-rest);
    border-radius: 8px;
}

.env-toolbar-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--neutral-foreground-hint);
    white-space: nowrap;
}

.env-toolbar-divider {
    width: 1px;
    height: 24px;
    background: var(--neutral-stroke-divider-rest);
}

/* ===== Custom dialog ===== */
.dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.dialog-panel {
    background: var(--neutral-layer-floating);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    width: 540px;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    animation: dialogIn 0.15s ease-out;
}

.dialog-panel-sm {
    width: 420px;
}

@keyframes dialogIn {
    from { opacity: 0; transform: scale(0.95) translateY(8px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.dialog-header {
    padding: 1.25rem 1.5rem 0.75rem;
    border-bottom: 1px solid var(--neutral-stroke-divider-rest);
}

.dialog-header h3 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--neutral-foreground-rest);
}

.dialog-body {
    padding: 1.25rem 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.dialog-footer {
    padding: 0.75rem 1.5rem 1.25rem;
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    border-top: 1px solid var(--neutral-stroke-divider-rest);
}

/* Form layout inside dialogs */
.form-group {
    margin-bottom: 1rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--neutral-foreground-rest);
    margin-bottom: 0.35rem;
}

/* ===== DataType badges ===== */
.kv-type-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    background: #f0f0f0;
    color: #616161;
}

.kv-type-text     { background: #f0f0f0; color: #616161; }
.kv-type-code     { background: #fff3e0; color: #e65100; }
.kv-type-numeric  { background: #e8f5e9; color: #2e7d32; }
.kv-type-boolean  { background: #fce4ec; color: #c62828; }
.kv-type-bool     { background: #fce4ec; color: #c62828; }
.kv-type-date     { background: #e3f2fd; color: #1565c0; }
.kv-type-time     { background: #f3e5f5; color: #7b1fa2; }
.kv-type-datetime { background: #e8eaf6; color: #283593; }
.kv-type-json     { background: #f0f7ff; color: #0f6cbd; }
.kv-type-csv      { background: #e0f2f1; color: #00695c; }

/* ===== Sensitive data masking ===== */
.kv-sensitive-mask {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.kv-sensitive-dots {
    font-family: 'Segoe UI', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    color: var(--neutral-foreground-hint);
    user-select: none;
}

/* ===== CSV display pills ===== */
.kv-csv-pill {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.1rem 0.4rem;
    margin: 0.1rem 0.15rem;
    background: #e0f2f1;
    color: #00695c;
    border-radius: 3px;
    white-space: nowrap;
}

.kv-csv-more {
    font-size: 0.75rem;
    color: var(--neutral-foreground-hint);
    font-weight: 500;
    margin-left: 0.2rem;
}

/* ===== CSV editor in dialog ===== */
.csv-editor {
    border: 1px solid var(--neutral-stroke-divider-rest);
    border-radius: 6px;
    padding: 0.75rem;
    background: var(--neutral-layer-1);
}

.csv-list {
    border: 1px solid var(--neutral-stroke-divider-rest);
    border-radius: 4px;
    max-height: 200px;
    overflow-y: auto;
    background: var(--neutral-layer-2);
}

.csv-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0.75rem;
    border-bottom: 1px solid var(--neutral-stroke-divider-rest);
    font-size: 0.875rem;
}

.csv-item:last-child {
    border-bottom: none;
}

.csv-item:hover {
    background: var(--neutral-fill-stealth-hover);
}

/* ===== "No data" state ===== */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--neutral-foreground-hint);
    font-size: 0.95rem;
}

/* ===== Import mode cards ===== */
.import-mode-section {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 1rem;
}

.import-mode-option {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem;
    border: 1px solid var(--neutral-stroke-divider-rest);
    border-radius: 6px;
    background: var(--neutral-layer-1);
    cursor: pointer;
    transition: background 0.12s, border-color 0.12s;
}

.import-mode-option:hover {
    background: var(--neutral-fill-stealth-hover);
    border-color: var(--accent-fill-rest);
}

.import-mode-option:has(input:checked) {
    background: var(--neutral-fill-secondary-rest);
    border-color: var(--accent-fill-rest);
}

.import-mode-option input[type="radio"] {
    flex-shrink: 0;
    margin-top: 0.15rem;
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: var(--accent-fill-rest);
}

.import-mode-option label,
.import-mode-option div {
    cursor: pointer;
}

/* ===== Notification config sections ===== */
.notif-section {
    margin-bottom: 2rem;
}

.notif-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.notif-section-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--neutral-foreground-rest);
}

.notif-preview {
    font-size: 0.78rem;
    color: var(--accent-foreground-rest);
    background: var(--neutral-fill-secondary-rest);
    padding: 0.35rem 0.6rem;
    border-radius: 4px;
    margin-top: 0.35rem;
    font-family: 'Cascadia Code', 'Fira Code', Consolas, monospace;
    word-break: break-all;
}

/* ===== Notification log rows ===== */
.notif-log-error {
    background: rgba(209, 52, 56, 0.08) !important;
}

.notif-badge-error {
    background: #fce4ec;
    color: #c62828;
}

/* ===== Settings cards ===== */
.settings-card {
    max-width: 580px;
    padding: 1.5rem;
    margin-top: 1rem;
    background: var(--neutral-layer-2);
    border: 1px solid var(--neutral-stroke-divider-rest);
    border-radius: 8px;
}

.settings-card h3 {
    color: var(--neutral-foreground-rest);
}

/* ===== Utility ===== */
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 1rem; }