/* SuperSeat support page — uses main.css tokens */

#wiring-diagram {
    background: radial-gradient(ellipse at center, #ececec 0%, #b8b8b8 100%);
    border-radius: var(--radius-md);
    margin: 0 1rem;
    overflow: auto;
    position: relative;
}

/* Wiring diagram overlay — shown until model, SOP, and position are picked. */
.wiring-diagram-wrap {
    position: relative;
}

.wiring-overlay {
    position: absolute;
    inset: 0;
    margin: 0 1rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 5;
    transition: opacity 0.2s ease;
    pointer-events: auto;
}

.wiring-overlay p {
    margin: 0;
    padding: 0.75rem 1.25rem;
    background: rgba(20, 20, 20, 0.85);
    color: #fff;
    border-radius: var(--radius-md);
    font-size: 1.05rem;
    text-align: center;
}

.wiring-diagram-wrap.is-configured .wiring-overlay {
    opacity: 0;
    pointer-events: none;
}

/* Responsive 16:9 video embed */
.video-embed {
    position: relative;
    aspect-ratio: 16 / 9;
    width: 100%;
    max-width: 60rem;
    margin: 1rem auto 2rem;
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.video-embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

#wiring-diagram > svg {
    display: block;
    width: 100%;
    height: auto;
    position: absolute;
    top: 0;
    left: 0;
}

#wiring-diagram svg * {
    letter-spacing: 0 !important;
}

/* Zoom toolbar — glassmorphism chip */
.zoom-controls {
    bottom: 1rem;
    left: 0;
    display: inline-flex;
    gap: 0.5rem;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background: rgba(19, 19, 19, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: var(--on-surface);
    border-radius: var(--radius-md);
    margin-top: 0.5rem;
    margin-left: 1rem;
    margin-bottom: 0.5rem;
    z-index: 10;
    font-family: var(--font-label);
    font-size: 0.85rem;
}

.zoom-controls button {
    appearance: none;
    border: 1px solid var(--ghost-border);
    background: transparent;
    color: inherit;
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-sm);
    font: inherit;
    cursor: pointer;
    line-height: 1.2;
    transition: border-color 0.18s ease, background 0.18s ease;
}

.zoom-controls button:hover {
    background: var(--surface-container-high);
    border-color: var(--ghost-border-strong);
}

.zoom-controls #zoomPct {
    min-width: 3.5ch;
    text-align: center;
}

/* Seat configuration UI */
#seat-config {
    margin: 1.5rem 1.25rem;
    padding: 1.5rem;
    border: none;
    border-radius: var(--radius-lg);
    background: var(--surface-container-low);
}

#seat-config h2 {
    font-family: var(--font-display);
    margin: 0 0 1rem;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    /* Data-Fringe */
    position: relative;
    padding-left: 0.75rem;
}

#seat-config h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.25em;
    bottom: 0.25em;
    width: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.config-form {
    display: grid;
    gap: 0.85rem;
    grid-template-columns: 1fr;
    align-items: end;
}

@media (min-width: 720px) {
    .config-form {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.config-field {
    display: grid;
    gap: 0.4rem;
}

.config-field > span {
    font-family: var(--font-label);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--on-surface-variant);
}

.config-form select,
.config-form button {
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--ghost-border);
    border-radius: var(--radius-md);
    background: var(--surface-container-lowest);
    color: var(--on-surface);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.95rem;
    transition: border-color 0.18s ease, background 0.18s ease;
}

.config-form select:hover,
.config-form select:focus {
    border-color: var(--ghost-border-strong);
    outline: none;
}

.config-form select:focus {
    background: var(--surface-container-high);
    box-shadow: 0 0 0 3px rgba(187, 195, 255, 0.15);
}

.config-form button {
    justify-self: start;
    cursor: pointer;
    background: linear-gradient(135deg, var(--primary-container) 0%, var(--on-primary-fixed-variant) 100%);
    color: var(--on-primary-container);
    border: none;
    padding: 0.65rem 1.25rem;
    font-weight: 600;
}

.config-form button:hover {
    filter: brightness(1.1);
}

.config-status {
    margin-top: 0.65rem;
    font-family: var(--font-label);
    font-size: 0.85rem;
    color: var(--on-surface-variant);
}

/* Table of Contents — tonal card */
#support-toc {
    border: none;
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    margin: 1.25rem 0 1.5rem;
    top: 1rem;
    max-width: 22rem;
    background: var(--surface-container-low);
}

#support-toc .toc-title {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: -0.01em;
    margin: 0 0 0.65rem;
}

#support-toc .toc-list {
    list-style: decimal;
    margin: 0;
    padding-left: 1.4rem;
    font-family: var(--font-body);
    color: var(--on-surface-variant);
}

#support-toc a {
    text-decoration: none;
    color: inherit;
    padding: 0.15rem 0;
    display: inline-block;
    transition: color 0.18s ease;
}

#support-toc a:hover {
    color: var(--primary);
    text-decoration: underline;
}

#support-toc a[aria-current="true"] {
    font-weight: 600;
    color: var(--on-surface);
    text-decoration: underline;
}

/* Smooth scroll behavior for anchor links */
html:focus-within {
    scroll-behavior: smooth;
}