/* =============================================================================
   ROZRYWKA / GAMES — Quiz-specific styles
   Loaded via $extraCss alongside games.css. Shared chrome (toolbar, buttons,
   cards, modal, stats) comes from games.css; only quiz-only rules live here.
   Uses the site design tokens from style.css :root.
   ============================================================================= */

.quiz-loading {
    color: var(--color-gray-500);
    padding: 1rem 0;
}

.quiz-error-actions {
    margin-top: 0.75rem;
}

/* ---------------- Category chooser ---------------- */

.quiz-chooser-title {
    font-size: 1.15rem;
    color: var(--color-gray-900);
    margin: 0.25rem 0 1rem;
}

/* ---------------- Mode picker ---------------- */

.quiz-mode-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

/* Mode cards are <button>s reusing the .game-card look — normalize the
   button chrome so they match the anchor-based category cards. */
.quiz-mode-card {
    display: block;
    width: 100%;
    min-height: 44px;
    text-align: left;
    font-family: var(--font-family);
    font-size: 1rem;
    cursor: pointer;
}

.quiz-mode-card--last {
    border-color: var(--color-primary);
}

.quiz-mode-last {
    display: inline-block;
    margin-left: 0.35rem;
    padding: 0.1rem 0.5rem;
    border-radius: var(--border-radius-sm);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.7rem;
    font-weight: 700;
    vertical-align: middle;
    white-space: nowrap;
}

.quiz-mode-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.75rem;
}

.quiz-mode-badge {
    padding: 0.15rem 0.55rem;
    border-radius: var(--border-radius-sm);
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.quiz-mode-badge--pts {
    background: var(--color-success-bg);
    color: var(--color-success);
}

/* ---------------- Play mode: header row ---------------- */

.quiz-cat-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin-bottom: 1rem;
}

.quiz-cat-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

/* ---------------- Play mode: question box ---------------- */

.quiz-box {
    max-width: 720px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
}

.quiz-status {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
    font-size: 0.95rem;
    color: var(--color-gray-600);
    margin-bottom: 0.5rem;
}

.quiz-progress-text {
    font-weight: 700;
    color: var(--color-gray-900);
}

.quiz-progress-bar {
    height: 8px;
    background: var(--color-gray-200);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    margin-bottom: 1.25rem;
}

.quiz-progress-fill {
    height: 100%;
    width: 0;
    background: var(--color-primary);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

/* ---------------- Per-question countdown ---------------- */

.quiz-timer {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: -0.5rem 0 1.25rem;
}

.quiz-timer-bar {
    flex: 1;
    height: 10px;
    background: var(--color-gray-200);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.quiz-timer-fill {
    height: 100%;
    width: 100%;
    background: var(--color-primary);
    border-radius: var(--border-radius-sm);
    transition: width 0.2s linear;
}

.quiz-timer-num {
    flex-shrink: 0;
    min-width: 3.2rem;
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    color: var(--color-gray-700);
}

/* Low-time state (< 5 s): red + gentle pulse. */
.quiz-timer--low .quiz-timer-fill {
    background: var(--color-error);
}

.quiz-timer--low .quiz-timer-num {
    color: var(--color-error);
    animation: quiz-timer-pulse 1s ease-in-out infinite;
}

@keyframes quiz-timer-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.55; }
}

/* ---------------- Score row + points flash ---------------- */

.quiz-score-wrap {
    display: inline-flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
}

.quiz-points {
    position: relative;
    font-weight: 700;
    color: var(--color-primary);
}

.quiz-points-flash {
    position: absolute;
    left: 100%;
    top: 0;
    margin-left: 0.4rem;
    font-weight: 700;
    color: var(--color-success);
    white-space: nowrap;
    pointer-events: none;
    animation: quiz-points-float 1.1s ease-out forwards;
}

@keyframes quiz-points-float {
    0%   { opacity: 0; transform: translateY(0.3rem); }
    20%  { opacity: 1; transform: translateY(0); }
    75%  { opacity: 1; }
    100% { opacity: 0; transform: translateY(-0.6rem); }
}

@media (prefers-reduced-motion: reduce) {
    .quiz-timer-fill {
        transition: none;
    }

    .quiz-timer--low .quiz-timer-num {
        animation: none;
    }

    .quiz-points-flash {
        animation: none;
    }
}

.quiz-question {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 1rem;
    line-height: 1.45;
}

/* ---------------- Options ---------------- */

.quiz-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.6rem;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    min-height: 44px;
    padding: 0.65rem 0.9rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    background: var(--color-white);
    color: var(--color-gray-700);
    font-family: var(--font-family);
    font-size: 1rem;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.quiz-option:hover:not([disabled]) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.quiz-option[disabled] {
    cursor: default;
}

.quiz-option-key {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.6rem;
    height: 1.6rem;
    border-radius: var(--border-radius-sm);
    background: var(--color-gray-100);
    color: var(--color-gray-500);
    font-size: 0.85rem;
    font-weight: 700;
}

.quiz-option--correct {
    background: var(--color-success-bg);
    border-color: var(--color-success);
    color: var(--color-success);
    font-weight: 700;
}

.quiz-option--correct .quiz-option-key {
    background: var(--color-success);
    color: var(--color-white);
}

.quiz-option--wrong {
    background: var(--color-error-bg);
    border-color: var(--color-error);
    color: var(--color-error);
}

.quiz-option--wrong .quiz-option-key {
    background: var(--color-error);
    color: var(--color-white);
}

.quiz-option--dim {
    opacity: 0.55;
}

/* ---------------- Explanation + next ---------------- */

.quiz-explain {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: var(--color-gray-100);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--border-radius-sm);
    color: var(--color-gray-700);
    font-size: 0.95rem;
    line-height: 1.5;
}

.quiz-live {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.quiz-next-row {
    margin-top: 1.25rem;
    display: flex;
    justify-content: flex-end;
}

.quiz-next {
    min-height: 44px;
}

.quiz-kbd-hint {
    margin-top: 0.9rem;
    font-size: 0.8rem;
    color: var(--color-gray-500);
}

/* ---------------- Play mode: mode tag in the header ---------------- */

.quiz-mode-tag {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: var(--border-radius-sm);
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    font-size: 0.85rem;
    font-weight: 600;
    vertical-align: middle;
    white-space: nowrap;
}

/* ---------------- Result modal bits ---------------- */

.quiz-result-mode {
    color: var(--color-gray-500);
    font-size: 0.95rem;
}

.quiz-result-points {
    margin-top: 0.35rem;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-primary);
}

.quiz-result-score {
    font-size: 1.1rem;
    color: var(--color-gray-700);
}

.quiz-result-best {
    margin-top: 0.5rem;
    font-size: 0.95rem;
    color: var(--color-gray-600);
}

.quiz-result-grade {
    margin-top: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* ---------------- Responsive ---------------- */

@media (max-width: 600px) {
    .quiz-box {
        padding: 1rem;
    }

    .quiz-question {
        font-size: 1.05rem;
    }

    .quiz-kbd-hint {
        display: none; /* keyboard hint is meaningless on touch */
    }

    .quiz-mode-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .quiz-timer-num {
        min-width: 2.6rem;
    }
}