:root {
    /* Design Tokens */
    --bg: oklch(98% 0.01 240);
    --text: oklch(20% 0.02 250);

    --card: rgb(255 255 255 / 0.75);
    --border: rgb(0 0 0 / 0.08);

    --primary: oklch(55% 0.12 200);
    --accent: oklch(65% 0.14 160);

    --success: oklch(65% 0.18 145);
    --danger: oklch(60% 0.22 25);

    --radius: 18px;
    --shadow: 0 12px 40px rgb(0 0 0 / 0.08);

    --max-width: 720px;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --bg: oklch(18% 0.02 250);
        --text: oklch(92% 0.01 250);

        --card: rgb(30 30 30 / 0.7);
        --border: rgb(255 255 255 / 0.08);

        --shadow: 0 12px 40px rgb(0 0 0 / 0.5);
    }
}

/* Base */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background:
        linear-gradient(
            rgb(255 255 255 / 0.85),
            rgb(255 255 255 / 0.85)
        ),
        url("../images/hero-bg.svg");

    background-size: cover;
    background-position: center;

    color: var(--text);
}

/* Layout */
.event-card {
    max-width: var(--max-width);
    margin: 4rem auto;
    padding: 2rem;

    background: var(--card);
    backdrop-filter: blur(14px);

    border: 1px solid var(--border);
    border-radius: var(--radius);

    box-shadow: var(--shadow);
}

/* Header */
.event-header {
    text-align: center;
    margin-bottom: 2rem;
}

h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    margin: 0;
    letter-spacing: -0.02em;
}

.subtitle {
    opacity: 0.7;
    margin-top: 0.5rem;
}

/* Status */
.status {
    display: flex;
    align-items: center;
    gap: 0.75rem;

    padding: 1rem 1.25rem;
    margin-bottom: 2rem;

    border-radius: 14px;
    font-weight: 500;
}

.status__indicator {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: currentColor;
}

/* Active */
.status--active {
    background: rgb(34 197 94 / 0.12);
    color: var(--success);
}

/* Cancelled */
.status--cancelled {
    background: rgb(239 68 68 / 0.12);
    color: var(--danger);
}

/* Pending / Waiting */
.status--pending {
    background: rgb(245 158 11 / 0.12);
    color: oklch(70% 0.15 80);
}

/* Details */
.event-details {
    display: grid;
    gap: 1.25rem;
}

.event-details__item {
    display: grid;
    gap: 0.25rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

dt {
    font-weight: 600;
}

dd {
    margin: 0;
    opacity: 0.85;
}

/* Links */
a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    text-align: center;
    margin: 2rem 0 4rem;
    opacity: 0.6;
    font-size: 0.9rem;
}

/* Small polish */
@media (max-width: 480px) {
    .event-card {
        margin: 1.5rem;
        padding: 1.25rem;
    }
}