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

html, body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background-color: #0a0a0a;
    color: #e0e0e0;
    min-height: 100vh;
}

/* ── Header ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid #1e1e1e;
    padding: 0 2rem;
    height: 52px;
    display: flex;
    align-items: center;
}

.header-inner {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
}

.site-title {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: #fff;
    text-transform: uppercase;
}

/* ── Main content ── */
.site-main {
    max-width: 960px;
    margin: 0 auto;
    padding: 3rem 2rem 6rem;
}

/* ── Section ── */
.concerts-section {
    margin-bottom: 3.5rem;
}

.section-heading {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #555;
    margin: 0 0 1rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #1c1c1c;
}

/* ── Concert list ── */
.concert-list {
    display: flex;
    flex-direction: column;
}

.concert-row {
    display: grid;
    grid-template-columns: 8rem 1fr 8rem 1fr;
    gap: 0 1.5rem;
    align-items: baseline;
    padding: 0.7rem 0.5rem;
    border-radius: 4px;
    transition: background-color 0.1s ease;
}

.concert-row:not(:last-child) {
    border-bottom: 1px solid #141414;
}

.concert-row:hover {
    background-color: #111;
}

.concert-date {
    font-size: 0.78rem;
    color: #4a4a4a;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.concert-name {
    font-weight: 500;
    color: #ddd;
    font-size: 0.93rem;
}

.concert-venue {
    font-size: 0.82rem;
    color: #555;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.concert-attendants {
    font-size: 0.78rem;
    color: #4a4a4a;
}

.concert-attendants strong {
    color: #c8c8c8;
    font-weight: 600;
}

/* Past concerts slightly more muted */
.concert-list--past .concert-name {
    color: #777;
}

.concert-list--past .concert-date {
    color: #383838;
}

.empty-state {
    color: #3a3a3a;
    font-size: 0.9rem;
    padding: 0.5rem 0;
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .site-main {
        padding: 2rem 1.25rem 4rem;
    }

    .concert-row {
        grid-template-columns: 1fr 1fr;
        gap: 0.1rem 1rem;
    }

    .concert-date { grid-column: 1; grid-row: 1; }
    .concert-name { grid-column: 2; grid-row: 1; }
    .concert-venue { grid-column: 1; grid-row: 2; }
    .concert-attendants { grid-column: 2; grid-row: 2; }
}

/* ── Blazor infrastructure ── */
#blazor-error-ui {
    background: #181818;
    border-top: 1px solid #2a2a2a;
    color: #e0e0e0;
    bottom: 0;
    box-shadow: 0 -1px 4px rgba(0, 0, 0, 0.5);
    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: #1e0a0a;
    padding: 1rem;
    color: #e0e0e0;
    border: 1px solid #4a1010;
    border-radius: 4px;
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
    margin: 20vh auto 1rem auto;
}

.loading-progress circle {
    fill: none;
    stroke: #1c1c1c;
    stroke-width: 0.6rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}

.loading-progress circle:last-child {
    stroke: #3a3a3a;
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

.loading-progress-text:after {
    content: var(--blazor-load-percentage-text, "Loading");
}