/* ── VelaPanel Design System ─────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

html, body {
    font-family: 'Inter', 'Roboto', sans-serif;
    height: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* ── Design tokens ───────────────────────────────────────────────────── */
:root {
    --vela-shadow-sm: 0 1px 2px rgba(16,24,40,0.05);
    --vela-shadow-md: 0 2px 8px rgba(16,24,40,0.08), 0 1px 2px rgba(16,24,40,0.06);
    --vela-shadow-lg: 0 12px 32px rgba(16,24,40,0.14), 0 4px 8px rgba(16,24,40,0.08);
    --vela-card-border: 1px solid var(--mud-palette-divider);
    --vela-ring: 0 0 0 3px rgba(21,101,192,0.28);
}

.mud-dark {
    --vela-shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
    --vela-shadow-md: 0 2px 8px rgba(0,0,0,0.45), 0 1px 2px rgba(0,0,0,0.4);
    --vela-shadow-lg: 0 12px 32px rgba(0,0,0,0.55), 0 4px 8px rgba(0,0,0,0.4);
    --vela-ring: 0 0 0 3px rgba(94,146,243,0.35);
}

/* ── Keyboard focus rings (accessibility + polish) ───────────────────── */
.mud-button-root:focus-visible,
.mud-icon-button:focus-visible,
.mud-nav-link:focus-visible,
a:focus-visible,
.vela-cmdk-item:focus-visible {
    outline: none;
    box-shadow: var(--vela-ring) !important;
    border-radius: 6px;
}

/* ── Page headers ────────────────────────────────────────────────────── */
.vela-page-header {
    border-bottom: 1px solid var(--mud-palette-divider);
    padding-bottom: 14px;
    margin-bottom: 22px;
}

.vela-page-header .mud-typography-h4 {
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.vela-page-header .mud-typography-body2 {
    margin-top: 3px;
    font-size: 0.8rem;
}

.vela-page-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    row-gap: 8px;
}

.vela-page-header-text {
    min-width: 0;
}

.vela-page-header-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

/* ── Stat cards ──────────────────────────────────────────────────────── */
.vela-stat-card {
    border-radius: 8px !important;
    transition: box-shadow 0.2s ease, transform 0.15s ease;
    overflow: hidden;
}

.vela-stat-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.09) !important;
    transform: translateY(-2px);
}

/* Coloured top-accent stripe per metric type */
.vela-stat-accent-blue   { border-top: 3px solid #1565C0 !important; }
.vela-stat-accent-slate  { border-top: 3px solid #546E7A !important; }
.vela-stat-accent-green  { border-top: 3px solid #2E7D32 !important; }
.vela-stat-accent-orange { border-top: 3px solid #E65100 !important; }
.vela-stat-accent-purple { border-top: 3px solid #6A1B9A !important; }
.vela-stat-accent-teal   { border-top: 3px solid #00695C !important; }
.vela-stat-accent-red    { border-top: 3px solid #C62828 !important; }

.vela-stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Slightly thicker progress bar for better visibility */
.vela-stat-progress .mud-progress-linear {
    height: 6px !important;
    border-radius: 3px !important;
}

/* Card section header — used in Recent Events, dashboard panels */
.vela-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--mud-palette-divider);
    background: var(--mud-palette-background);
}

.vela-card-header-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Event type inline badges */
.vela-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.vela-badge-info    { background: #E3F2FD; color: #1565C0; }
.vela-badge-warning { background: #FFF8E1; color: #E65100; }
.vela-badge-error   { background: #FFEBEE; color: #C62828; }
.mud-dark .vela-badge-info    { background: rgba(21,101,192,0.25); color: #90caf9; }
.mud-dark .vela-badge-warning { background: rgba(230,81,0,0.25);   color: #ffcc80; }
.mud-dark .vela-badge-error   { background: rgba(198,40,40,0.25);  color: #ef9a9a; }

/* ── Command palette (Ctrl-K) ────────────────────────────────────────── */
.vela-cmdk-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0,0,0,0.45);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 12vh;
}

.vela-cmdk-panel {
    width: 100%;
    max-width: 560px;
    background: var(--mud-palette-surface);
    border: 1px solid var(--mud-palette-divider);
    border-radius: 10px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.28);
    overflow: hidden;
}

.vela-cmdk-search {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--mud-palette-divider);
}

.vela-cmdk-search-icon {
    font-size: 20px !important;
    color: var(--mud-palette-text-secondary);
}

.vela-cmdk-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.95rem;
    color: var(--mud-palette-text-primary);
    font-family: inherit;
}

.vela-cmdk-kbd {
    font-size: 0.65rem;
    padding: 2px 6px;
    border: 1px solid var(--mud-palette-divider);
    border-radius: 4px;
    color: var(--mud-palette-text-secondary);
}

.vela-cmdk-list {
    max-height: 50vh;
    overflow-y: auto;
    padding: 6px;
}

.vela-cmdk-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 12px;
    border-radius: 6px;
    cursor: pointer;
}

.vela-cmdk-item.active {
    background: rgba(21, 101, 192, 0.12);
}

.vela-cmdk-item-icon {
    font-size: 19px !important;
    color: var(--mud-palette-text-secondary);
}

.vela-cmdk-item.active .vela-cmdk-item-icon {
    color: var(--mud-palette-primary);
}

.vela-cmdk-item-label {
    flex: 1;
    font-size: 0.875rem;
    color: var(--mud-palette-text-primary);
}

.vela-cmdk-item-group {
    font-size: 0.7rem;
    color: var(--mud-palette-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.vela-cmdk-empty {
    padding: 24px;
    text-align: center;
    color: var(--mud-palette-text-secondary);
    font-size: 0.85rem;
}

.mud-dark .vela-cmdk-item.active {
    background: rgba(94, 146, 243, 0.18);
}

/* ── Error pages ─────────────────────────────────────────────────────── */
.vela-error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 60vh;
    padding: 32px 24px;
}

.vela-error-icon {
    font-size: 64px !important;
    color: var(--mud-palette-text-disabled);
}

.vela-error-code {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--mud-palette-text-secondary);
    line-height: 1.1;
    margin-top: 8px;
}

.vela-error-msg {
    max-width: 440px;
}

/* ── Loading skeletons ───────────────────────────────────────────────── */
.vela-skeleton-row {
    border-radius: 6px;
    margin-bottom: 10px;
}

/* ── Empty states ────────────────────────────────────────────────────── */
.vela-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 48px 24px;
    border: 1px dashed var(--mud-palette-divider);
    border-radius: 8px;
    background: var(--mud-palette-background);
}

.vela-empty-state-icon {
    font-size: 48px !important;
    color: var(--mud-palette-text-disabled);
}

.vela-empty-state-msg {
    max-width: 420px;
}

/* ── Navigation ──────────────────────────────────────────────────────── */
.vela-nav {
    padding-bottom: 24px;
}

.vela-nav-section-label {
    font-size: 0.625rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.08em !important;
    color: var(--mud-palette-text-disabled) !important;
    text-transform: uppercase;
    display: block;
    margin-top: 4px;
}

.mud-nav-link {
    font-size: 0.8125rem;
    font-weight: 500;
    border-radius: 6px !important;
    margin: 1px 6px !important;
    padding-top: 7px !important;
    padding-bottom: 7px !important;
    transition: background 0.12s ease, color 0.12s ease;
}

.mud-nav-link:hover {
    background: rgba(21, 101, 192, 0.07) !important;
    color: #1565C0 !important;
}

.mud-nav-link.active {
    background: rgba(21, 101, 192, 0.11) !important;
    color: #1565C0 !important;
    font-weight: 600;
    position: relative;
}

/* Left accent bar on the active nav item */
.mud-nav-link.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: #1565C0;
}

.mud-dark .mud-nav-link.active::before {
    background: #5e92f3;
}

.mud-nav-link.active .mud-nav-link-icon {
    color: #1565C0 !important;
}

.mud-nav-link:hover .mud-nav-link-icon {
    color: #1565C0 !important;
}

/* ── AppBar logo area ────────────────────────────────────────────────── */
.vela-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    user-select: none;
}

/* ── Impersonation banner ────────────────────────────────────────────── */
.vela-impersonate-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: #F57C00;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 1400;
    color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.vela-impersonate-return {
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.5);
    border-radius: 6px;
    padding: 4px 14px;
    cursor: pointer;
    font-weight: 600;
    color: #fff;
    font-size: 0.8rem;
    transition: background 0.15s;
}

.vela-impersonate-return:hover {
    background: rgba(255,255,255,0.3);
}

/* ── MudPaper default rounding ───────────────────────────────────────── */
.mud-paper {
    border-radius: 8px !important;
}

/* Elevated papers get a crisp border + soft shadow (SaaS look) */
.mud-paper.mud-elevation-1,
.mud-paper.mud-elevation-2 {
    border: var(--vela-card-border);
    box-shadow: var(--vela-shadow-sm) !important;
}

/* ── App bar: flat + hairline border instead of heavy drop shadow ────── */
.mud-appbar.mud-elevation-2 {
    box-shadow: none !important;
    border-bottom: 1px solid rgba(0,0,0,0.08);
}

.mud-drawer {
    border-right: 1px solid var(--mud-palette-divider);
}

/* ── Tables ──────────────────────────────────────────────────────────── */
.mud-table-head .mud-table-cell {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--mud-palette-text-secondary);
    border-bottom: 2px solid var(--mud-palette-divider) !important;
    background: var(--mud-palette-background);
    white-space: nowrap;
}

.mud-table-cell {
    padding-top: 9px;
    padding-bottom: 9px;
}

/* Row hover highlight for scannability */
.mud-table-body .mud-table-row:hover {
    background: rgba(21,101,192,0.04);
}

.mud-dark .mud-table-body .mud-table-row:hover {
    background: rgba(94,146,243,0.06);
}

.vela-events-table .mud-table-row:last-child td {
    border-bottom: none;
}

/* Subtle row dividers */
.mud-table-body .mud-table-row td {
    border-bottom: 1px solid var(--mud-palette-divider);
}

/* ── Chips ───────────────────────────────────────────────────────────── */
.mud-chip {
    font-weight: 500;
    font-size: 0.75rem;
}

/* ── Drawer header ───────────────────────────────────────────────────── */
.mud-drawer-header {
    padding: 12px 16px 0 16px;
}

/* ── Scrollbar polish ────────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.18);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0,0,0,0.3);
}

/* ── Buttons ─────────────────────────────────────────────────────────── */
.mud-button-root {
    letter-spacing: normal;
    transition: box-shadow 0.15s ease, transform 0.1s ease, background-color 0.15s ease;
}

/* Subtle lift on filled buttons */
.mud-button-filled:hover {
    box-shadow: var(--vela-shadow-md) !important;
    transform: translateY(-1px);
}

.mud-button-filled:active {
    transform: translateY(0);
    box-shadow: var(--vela-shadow-sm) !important;
}

/* ── Form fields ─────────────────────────────────────────────────────── */
.mud-input-outlined .mud-notched-outline {
    border-radius: 6px;
}

/* ── Snackbar ────────────────────────────────────────────────────────── */
.mud-snackbar {
    border-radius: 8px !important;
}

/* ── Cards in lists ──────────────────────────────────────────────────── */
.mud-card {
    border-radius: 8px !important;
    transition: box-shadow 0.2s ease;
}

.mud-card:hover {
    box-shadow: 0 2px 10px rgba(0,0,0,0.06) !important;
}

/* ── Progress bars ───────────────────────────────────────────────────── */
.mud-progress-linear {
    border-radius: 4px;
}

/* ── Dialog / popover depth ──────────────────────────────────────────── */
.mud-dialog {
    border-radius: 10px !important;
    box-shadow: var(--vela-shadow-lg) !important;
    border: var(--vela-card-border);
}

.mud-popover {
    border-radius: 8px !important;
    box-shadow: var(--vela-shadow-lg) !important;
    border: var(--vela-card-border);
}

.mud-overlay-dialog {
    backdrop-filter: blur(2px);
}

/* ── Dark mode adjustments ───────────────────────────────────────────── */
.mud-dark .mud-nav-link:hover {
    background: rgba(94, 146, 243, 0.08) !important;
}

.mud-dark .mud-nav-link.active {
    background: rgba(94, 146, 243, 0.15) !important;
    color: #5e92f3 !important;
}

.mud-dark .mud-nav-link.active .mud-nav-link-icon {
    color: #5e92f3 !important;
}

.mud-dark ::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
}

.mud-dark ::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.25);
}