/*
 * Rules page — Flight Manual folder chrome around the Google Doc iframe.
 * Tokens only.
 */

.rules-container {
    max-width: 960px;
    margin: 0 auto;
    padding-inline: clamp(var(--eh-space-4), 4vw, var(--eh-space-7));
}

.rules-header {
    text-align: center;
    margin-bottom: var(--eh-space-8);
    max-width: 56ch;
    margin-inline: auto;
}

.rules-kicker {
    display: inline-block;
    font-family: var(--eh-font-mono);
    font-size: 0.72rem;
    letter-spacing: var(--eh-tracking-caps);
    text-transform: uppercase;
    color: var(--eh-color-ink-muted);
    border: 1px solid var(--eh-color-rule-brass);
    padding: var(--eh-space-1) var(--eh-space-3);
    border-radius: var(--eh-radius-sm);
    margin-bottom: var(--eh-space-4);
}

.rules-header h1 {
    margin: 0 0 var(--eh-space-3);
    color: var(--eh-color-ink);
}

.rules-lede {
    color: var(--eh-color-ink-soft);
    margin: 0 auto;
}

/* — Folder-style wrapper — */
.rules-manual {
    position: relative;
    padding-top: var(--eh-space-10);
}

.rules-manual-tab {
    position: absolute;
    top: 0;
    left: var(--eh-space-5);
    display: inline-flex;
    align-items: baseline;
    gap: var(--eh-space-3);
    background: var(--eh-color-panel);
    color: var(--eh-color-panel-text);
    padding: var(--eh-space-3) var(--eh-space-5);
    border-radius: var(--eh-radius-md) var(--eh-radius-md) 0 0;
    border: 1px solid var(--eh-color-rule-brass);
    border-bottom: none;
    box-shadow: var(--eh-shadow-lift);
}

.rules-manual-tab-no {
    font-family: var(--eh-font-mono);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--eh-color-chrome);
    letter-spacing: 0.02em;
}

.rules-manual-tab-label {
    font-family: var(--eh-font-deco);
    font-size: 1rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: var(--eh-tracking-wide);
}

.rules-manual-frame {
    background: var(--eh-color-paper-raised);
    border: 1px solid var(--eh-color-rule-brass);
    border-radius: 0 var(--eh-radius-md) var(--eh-radius-md) var(--eh-radius-md);
    padding: var(--eh-space-3);
    box-shadow: var(--eh-shadow-panel);
    overflow: hidden;
    position: relative;
}

.rules-manual-frame::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 3px;
    background: var(--eh-color-brass);
    opacity: 0.8;
}

.rules-embed {
    display: block;
    width: 100%;
    height: calc(100vh - var(--eh-space-12) * 2);
    min-height: 600px;
    border: 0;
    background: var(--eh-color-paper);
    border-radius: var(--eh-radius-sm);
}

@media (max-width: 640px) {
    .rules-manual { padding-top: var(--eh-space-9); }
    .rules-manual-tab {
        left: var(--eh-space-3);
        padding: var(--eh-space-2) var(--eh-space-4);
    }
    .rules-manual-tab-no { font-size: 1.1rem; }
    .rules-manual-tab-label { font-size: 0.82rem; }
    .rules-manual-frame { padding: var(--eh-space-2); }
    .rules-embed {
        height: calc(100vh - var(--eh-space-11));
        min-height: 500px;
    }
}