/* Surfaces: dark wood cards, parchment sheets, the hero panel, action cards. */
.app-card {
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-lg);
    background: var(--app-surface);
    box-shadow: var(--app-shadow);
}

.app-card__body {
    padding: var(--app-space-5);
}

.app-card__header,
.app-card__footer {
    padding: var(--app-space-4) var(--app-space-5);
}

.app-card__header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--app-space-3);
    border-bottom: 1px solid var(--app-border);
}

.app-card__footer {
    border-top: 1px solid var(--app-border);
}

.app-card__title {
    margin: 0;
    font-size: var(--app-text-lg);
}

.app-card--raised {
    background: var(--app-surface-raised);
}

.app-card--danger {
    border-color: var(--app-danger);
}

.app-card--warning {
    border-color: var(--app-warning);
}

.app-card--centered {
    text-align: center;
}

/* Parchment: light sheet for stat blocks, character sheets and rule texts. */
.app-parchment {
    position: relative;
    border: 1px solid var(--app-parchment-edge);
    border-radius: var(--app-radius);
    color: var(--app-ink);
    background:
        radial-gradient(ellipse at top left, rgba(255, 255, 255, 0.35), transparent 60%),
        linear-gradient(160deg, var(--app-parchment), var(--app-parchment-deep));
    box-shadow:
        inset 0 0 40px rgba(120, 90, 50, 0.18),
        var(--app-shadow-sm);
}

.app-parchment h1,
.app-parchment h2,
.app-parchment h3,
.app-parchment h4,
.app-parchment h5,
.app-parchment h6 {
    color: var(--app-ink);
}

.app-parchment a {
    color: #7a3b1e;
}

.app-parchment hr {
    background: linear-gradient(90deg, transparent, var(--app-parchment-edge), transparent);
}

.app-parchment .app-muted,
.app-parchment small {
    color: var(--app-ink-muted);
}

.app-parchment__body {
    padding: var(--app-space-5);
}

/* Hero: the large intro panel on the start page. */
.app-hero {
    position: relative;
    overflow: hidden;
    padding: var(--app-space-6);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-lg);
    background:
        radial-gradient(circle at 85% 15%, var(--app-primary-glow), transparent 30rem),
        var(--app-surface);
    box-shadow: var(--app-shadow-lg);
}

.app-hero::after {
    position: absolute;
    inset: 0.5rem;
    pointer-events: none;
    content: "";
    border: 1px solid var(--app-border);
    border-radius: calc(var(--app-radius-lg) - 0.35rem);
}

.app-hero h1 {
    font-size: clamp(2.2rem, 4vw + 1rem, 3.4rem);
    font-weight: 800;
}

/* Action cards: link tiles on dashboards. */
.app-action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
    gap: var(--app-space-3);
}

.app-action-card {
    display: flex;
    flex-direction: column;
    gap: var(--app-space-2);
    min-height: 100%;
    padding: var(--app-space-4);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius);
    color: var(--app-text);
    text-decoration: none;
    background: var(--app-surface-raised);
    transition:
        transform var(--app-transition),
        border-color var(--app-transition),
        background var(--app-transition);
}

.app-action-card:hover,
.app-action-card:focus-visible {
    transform: translateY(-2px);
    border-color: var(--app-primary);
    color: var(--app-text-strong);
    background: #362a1f;
}

.app-action-card__title {
    display: flex;
    align-items: center;
    gap: var(--app-space-2);
    font-family: var(--app-font-display);
    font-size: var(--app-text-lg);
    font-weight: 700;
}

.app-action-card__title .app-icon {
    color: var(--app-primary);
}

.app-action-card small {
    color: var(--app-muted);
}

/* Key/value definition list used inside cards. */
.app-kv {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: var(--app-space-2) var(--app-space-4);
    margin: 0;
}

.app-kv dt {
    color: var(--app-muted);
    font-size: var(--app-text-sm);
    font-weight: 500;
}

.app-kv dd {
    margin: 0;
}

@media (max-width: 575.98px) {
    .app-card__body,
    .app-parchment__body,
    .app-hero {
        padding: var(--app-space-4);
    }

    .app-card__header,
    .app-card__footer {
        padding: var(--app-space-3) var(--app-space-4);
    }
}