:root {
    --bg-gradient: linear-gradient(160deg, #0b1026 0%, #1b1240 45%, #2c1a55 75%, #3b2166 100%);
    --text: #e8e8f2;
    --text-muted: #a7a3c4;
    --link: #9db8ff;
    --card-bg: rgba(255, 255, 255, 0.06);
    --card-border: rgba(255, 255, 255, 0.12);
    --radius: 12px;
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body {
    margin: 0;
    padding: 0 24px;
    min-height: 100vh;
    background: var(--bg-gradient) fixed;
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    font-size: 17px;
    line-height: 1.7;
}
.container {
    max-width: 680px;
    margin: 0 auto;
    padding: 56px 0 72px;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 {
    margin: 0 0 24px;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #ffffff;
}
main, .card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 24px 28px;
}
footer {
    margin-top: 48px;
    color: var(--text-muted);
    font-size: 14px;
}
.badge {
    display: inline-block;
    background: rgba(157, 184, 255, 0.18);
    color: var(--link);
    border-radius: 999px;
    padding: 0 10px;
    font-size: 12px;
    font-weight: 600;
    vertical-align: 1px;
}

/* ---- Landing page (home.html) ---- */
body.home .container { max-width: 960px; }
body.home header h1 { margin: 0; font-size: 34px; }
body.home header .links { font-size: 15px; }
body.home header .links span { color: var(--text-muted); margin: 0 8px; }
.section-title {
    margin: 48px 0 0;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: #ffffff;
}

/* Tab strip */
.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 20px 0 16px;
}
.tab {
    font: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-muted);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 999px;
    padding: 8px 16px;
}
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] {
    color: #ffffff;
    background: rgba(157, 184, 255, 0.16);
    border-color: var(--link);
}

/* Panels: glass card, details left / media right on desktop */
.panel { display: none; }
.panel.is-active {
    display: grid;
    grid-template-columns: minmax(240px, 1fr) 2fr;
    gap: 24px;
    align-items: start;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 24px 28px;
}
.panel .details h3 {
    margin: 0;
    font-size: 21px;
    font-weight: 650;
    color: #ffffff;
}
.panel .details .meta {
    margin: 2px 0 10px;
    color: var(--text-muted);
    font-size: 15px;
}
.panel .details .meta .badge { margin-right: 6px; }
.panel .details .blurb { margin: 0 0 14px; }
.panel .details .actions { font-size: 15px; }
.panel .details .actions span { color: var(--text-muted); margin: 0 8px; }

.media {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    min-width: 0;
}
.media img, .media video {
    border-radius: 10px;
    border: 1px solid var(--card-border);
    max-width: 100%;
}
.media .portrait { height: 420px; width: auto; max-height: 70vh; }
.media .wide { width: 100%; height: auto; }

/* Mobile: single column, demo on top */
@media (max-width: 720px) {
    .panel.is-active { grid-template-columns: 1fr; }
    .media { order: -1; }
    .media .portrait { height: auto; width: calc(50% - 6px); max-height: none; }
    .media .portrait:only-child { width: auto; max-width: 100%; max-height: 60vh; }
}