/* VoiceCore Enterprise — Admin Portal Brand Overrides */

:root {
    --vc-primary: #00A3FF;
    --vc-primary-darken: #0086D1;
    --vc-primary-lighten: #33B5FF;
    --vc-secondary: #1C1E26;
    --vc-background: #F4F6F9;
    --vc-surface: #FFFFFF;
    --vc-text-primary: #1C1E26;
    --vc-text-secondary: #607D8B;
    --vc-success: #4CAF50;
    --vc-warning: #FF9800;
    --vc-error: #F44336;
    --vc-radius-sm: 8px;
    --vc-radius-md: 12px;
    --vc-radius-lg: 16px;
    --vc-radius-xl: 24px;
    --vc-shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --vc-shadow-md: 0 4px 12px rgba(0,0,0,0.10);
    --vc-shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
}

.mud-appbar .mud-toolbar {
    background: linear-gradient(90deg, var(--vc-secondary) 0%, #2a2d38 100%);
}

.search-bar .mud-input-outlined-border {
    border-color: rgba(255,255,255,0.25) !important;
}

.search-bar .mud-input-outlined-border:hover {
    border-color: rgba(255,255,255,0.45) !important;
}

.mud-nav-link.active {
    background: linear-gradient(90deg, rgba(0,163,255,0.12) 0%, transparent 100%);
    border-left: 3px solid var(--vc-primary);
}

.mud-card {
    border-radius: var(--vc-radius-md);
    box-shadow: var(--vc-shadow-sm);
    transition: box-shadow 0.2s ease, transform 0.15s ease;
}

.mud-card:hover {
    box-shadow: var(--vc-shadow-md);
    transform: translateY(-2px);
}

.mud-button-filled {
    border-radius: var(--vc-radius-sm);
}

.mud-dialog .mud-dialog-title {
    font-weight: 700;
}

.mud-table-row {
    transition: background-color 0.15s ease;
}

/* Focus indicators for keyboard accessibility */
.vc-skip-link {
    position: absolute;
    left: -9999px;
    z-index: 99999;
}
.vc-skip-link:focus {
    position: absolute;
    left: 1rem;
    top: 1rem;
    background: #1C1E26;
    color: #fff;
    padding: .5rem 1rem;
    border-radius: 8px;
    outline: 2px solid var(--vc-primary);
    outline-offset: 2px;
    animation: vcSkipSlide 0.3s ease-out;
}

@keyframes vcSkipSlide {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

:focus-visible {
    outline: 2px solid var(--vc-primary) !important;
    outline-offset: 2px !important;
}

/* Custom scrollbar for WebKit */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--vc-text-secondary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--vc-primary);
}

/* Print styles — hide nav chrome */
@media print {
    .mud-drawer,
    .mud-appbar,
    .mud-fab,
    .mud-tooltip-root {
        display: none !important;
    }
    .mud-main-content {
        margin-left: 0 !important;
        margin-right: 0 !important;
        animation: none !important;
    }
    .mud-card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        break-inside: avoid;
    }
    .mud-button,
    .mud-icon-button {
        display: none !important;
    }
}

/* Page transition fade */
.mud-main-content {
    animation: vcFadeIn 0.25s ease-out;
}

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

/* Login page gradient animation */
.login-page .login-hero {
    background-size: 200% 200%;
    animation: vcGradientShift 8s ease infinite;
}

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

/* Empty state icon sizing */
.empty-state-icon {
    font-size: 64px !important;
    opacity: 0.5;
}

/* Hover highlight for search results */
.hover-highlight {
    border-radius: var(--vc-radius-sm);
    transition: background-color 0.15s ease;
}
.hover-highlight:hover {
    background-color: rgba(0, 163, 255, 0.08);
}