/* ═══════════════════════════════════════════════════════════════
   Chess Opening Explorer — Global Stylesheet
   Partial files (imported below):
     _shared.css      — board wrapper, eco badges, move list, appbar, sheet
     _explorer.css    — Explorer page (/, game explorer)
     _graph.css       — OpeningGraph page (/graph)
     _study.css       — Study page (/study)
     _not-found.css   — NotFound page (404)
   ═══════════════════════════════════════════════════════════════ */

@import url('_shared.css');
@import url('_explorer.css');
@import url('_graph.css');
@import url('_study.css');
@import url('_not-found.css');

/* ── Blazor runtime error UI ────────────────────────────────── */
#blazor-error-ui {
    background: #991b1b;
    color: #fff;
    border-top: 2px solid #f87171;
    bottom: 0;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.25);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

.blazor-error-boundary {
    background: color-mix(in srgb, var(--mud-palette-error) 10%, var(--mud-palette-surface));
    border-left: 4px solid var(--mud-palette-error);
    padding: 1rem 1rem 1rem 1.25rem;
    color: var(--mud-palette-text-primary);
}

.blazor-error-boundary::after {
    content: "Системийн алдаа гарлаа. Хуудсыг дахин ачаалаад үргэлжлүүлнэ үү."
}

/* ── Base reset ─────────────────────────────────────────────── */
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Inter', 'Roboto', sans-serif;
    background-color: var(--mud-palette-background);
    color: var(--mud-palette-text-primary);
    overflow-x: hidden;
    max-width: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh;
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--mud-palette-primary) 25%, transparent);
    border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
    background: color-mix(in srgb, var(--mud-palette-primary) 50%, transparent);
}

/* ── Global MudBlazor overrides ─────────────────────────────── */

/* AppBar */
.mud-appbar {
    border-bottom: 1px solid rgba(0,0,0,0.14) !important;
    box-shadow: 0 1px 0 rgba(255,255,255,0.05) !important;
}

/* Drawer */
.mud-drawer {
    border-right: 1px solid var(--mud-palette-divider) !important;
}

/* Paper */
.mud-paper { border-radius: 12px !important; }

/* Buttons */
.mud-button-root {
    text-transform: none !important;
    letter-spacing: 0.01em !important;
    font-weight: 500 !important;
}

.mud-button-root.mud-button-filled {
    border-radius: 8px !important;
    font-weight: 600 !important;
}

.mud-button-root.mud-button-outlined {
    border-radius: 8px !important;
}

.mud-fab { border-radius: 999px !important; }

/* Chips */
.mud-chip {
    border-radius: 6px !important;
    font-weight: 500 !important;
}

/* Skeleton */
.mud-skeleton { border-radius: 6px !important; }

/* Icon buttons */
.mud-icon-button { border-radius: 8px !important; }