/* IQ test page */

body.page-iq {
    min-height: 100vh;
}

body.page-iq main {
    padding-top: var(--header-h);
}

.iq-page {
    min-height: calc(100vh - var(--header-h));
    padding: 2.5rem 0 4rem;
}

.iq-wrap {
    max-width: 72rem;
}

.iq-screen {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 2rem 1.5rem 2.25rem;
    backdrop-filter: blur(16px);
}

.iq-page [hidden] {
    display: none !important;
}

.iq-page .btn {
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.iq-page .btn-primary {
    color: var(--btn-on-accent);
    border: none;
}

.iq-page .btn:disabled {
    opacity: 0.45;
    cursor: default;
    transform: none;
}

.iq-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 600;
    line-height: 1.15;
    margin: 0.75rem 0 1rem;
    color: var(--pearl);
}

.iq-lead,
.iq-prompt,
.iq-note,
.iq-band,
.iq-kicker,
.iq-progress,
.iq-answered {
    color: var(--mist);
}

.iq-lead {
    font-size: 1.1rem;
    max-width: 44rem;
    margin-bottom: 1.25rem;
}

.iq-rules {
    margin: 0 0 2rem;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.85rem;
}

.iq-rules li {
    position: relative;
    padding-inline-start: 1.4rem;
    color: var(--mist);
}

.iq-rules li::before {
    content: '◆';
    position: absolute;
    inset-inline-start: 0;
    color: var(--aqua);
    font-size: 0.7rem;
    top: 0.35rem;
}

.iq-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.iq-actions--end {
    justify-content: space-between;
    margin-top: 1.5rem;
}

.iq-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem 1.25rem;
    margin-bottom: 1.25rem;
}

.iq-timer {
    display: flex;
    align-items: baseline;
    gap: 0.65rem;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--glass-border);
    background: rgba(var(--overlay-rgb), 0.35);
}

.iq-timer-value {
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    color: var(--aqua);
    letter-spacing: 0.04em;
}

.iq-timer.is-low .iq-timer-value {
    color: #ffb4a8;
}

.iq-timer-paused {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gold);
}

.iq-map {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.5rem;
}

.iq-map-btn {
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 999px;
    border: 1px solid var(--glass-border);
    background: transparent;
    color: var(--pearl);
    font-weight: 600;
    cursor: pointer;
}

.iq-map-btn.is-answered {
    background: rgba(var(--accent-rgb), 0.18);
    border-color: rgba(var(--accent-rgb), 0.45);
}

.iq-map-btn.is-current {
    background: linear-gradient(135deg, var(--aqua) 0%, var(--btn-accent-end) 100%);
    color: var(--btn-on-accent);
    border-color: transparent;
}

.iq-card {
    margin-bottom: 1.5rem;
}

.iq-kicker {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
    margin-bottom: 0.4rem;
    color: var(--aqua);
}

.iq-question-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    margin-bottom: 0.65rem;
}

.iq-prompt {
    margin-bottom: 1rem;
    max-width: 50rem;
}

.iq-note {
    margin: 0 0 1rem;
    padding: 0.8rem 1rem;
    border-radius: 0.85rem;
    background: rgba(var(--accent-rgb), 0.08);
    border: 1px solid rgba(var(--accent-rgb), 0.18);
}

.iq-note--study {
    color: var(--gold);
}

.iq-figure {
    margin: 0 0 1.25rem;
    background: #fff;
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    direction: ltr;
}

.iq-coding {
    display: grid;
    gap: 1rem;
    direction: ltr;
    unicode-bidi: isolate;
}

.iq-figure img {
    display: block;
    width: 100%;
    height: auto;
}

.iq-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
    gap: 0.75rem;
}

.iq-option,
.iq-symbol {
    appearance: none;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--pearl);
    border-radius: 0.9rem;
    padding: 0.9rem 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.iq-option:hover,
.iq-symbol:hover {
    border-color: var(--aqua);
    background: rgba(var(--accent-rgb), 0.1);
}

.iq-option.is-selected,
.iq-symbol.is-selected {
    border-color: var(--aqua);
    background: rgba(var(--accent-rgb), 0.22);
    box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.35);
}

.iq-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.iq-coding-row {
    padding: 0.85rem;
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.03);
}

.iq-coding-label {
    margin-bottom: 0.65rem;
    font-weight: 600;
}

.iq-coding-choices {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.iq-symbol {
    min-width: 3.1rem;
    min-height: 3.1rem;
    padding: 0.45rem 0.5rem;
    font-size: 1.65rem;
    line-height: 1;
    font-weight: 500;
}

.iq-score {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    color: var(--aqua);
    line-height: 1;
    margin: 0.5rem 0 0.85rem;
}

.iq-band {
    font-size: 1.15rem;
    max-width: 40rem;
    margin-bottom: 1rem;
}

html[dir='rtl'] .iq-rules li {
    padding-inline-start: 1.4rem;
}

@media (max-width: 700px) {
    .iq-screen {
        padding: 1.35rem 1rem 1.6rem;
        border-radius: 1.1rem;
    }

    .iq-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .iq-actions--end {
        flex-direction: column;
        align-items: stretch;
    }

    .iq-nav .btn,
    .iq-actions--end .btn {
        width: 100%;
    }
}