/* =========================================================
   سرّ السبعة — Secret of the Seven
   واجهة تحقيق غامضة، RTL، متجاوبة للجوال
   ========================================================= */

:root {
    --qsv-bg-1: #0b1020;
    --qsv-bg-2: #0f172a;
    --qsv-bg-3: #111c33;
    --qsv-surface: rgba(255, 255, 255, .045);
    --qsv-surface-2: rgba(255, 255, 255, .07);
    --qsv-border: rgba(148, 163, 184, .18);
    --qsv-border-strong: rgba(148, 163, 184, .35);
    --qsv-text: #e7ecf5;
    --qsv-muted: #94a3b8;
    --qsv-gold: #fbbf24;
    --qsv-gold-soft: rgba(251, 191, 36, .15);
    --qsv-sky: #38bdf8;
    --qsv-sky-soft: rgba(56, 189, 248, .14);
    --qsv-green: #22c55e;
    --qsv-red: #f87171;
    --qsv-radius: 16px;
    --qsv-shadow: 0 18px 50px rgba(0, 0, 0, .45);
    --qgame-footer-h: calc(62px + env(safe-area-inset-bottom, 0px));
    font-synthesis: none;
}

* { box-sizing: border-box; }

html, body.qsv-body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    background:
        radial-gradient(1200px 600px at 80% -10%, rgba(56, 189, 248, .12), transparent 60%),
        radial-gradient(900px 500px at 10% 0%, rgba(251, 191, 36, .08), transparent 55%),
        linear-gradient(160deg, var(--qsv-bg-1), var(--qsv-bg-2) 55%, var(--qsv-bg-3));
    background-attachment: fixed;
    color: var(--qsv-text);
    font-family: 'Tajawal', system-ui, -apple-system, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
}

.qsv {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: max(16px, env(safe-area-inset-top)) 14px 0;
    padding-bottom: calc(var(--qgame-footer-h, 102px) + env(safe-area-inset-bottom, 0px));
}

.qsv-stage-wrap {
    flex: 1 1 auto;
    min-height: 0;
    width: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0 0 12px;
}

.qsv-stage {
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    padding: 0 2px;
}

.qsv-progress {
    position: fixed;
    top: max(14px, env(safe-area-inset-top));
    inset-inline-end: 14px;
    z-index: 40;
    font-size: 12px;
    font-weight: 700;
    color: rgba(148, 163, 184, .85);
    background: rgba(15, 23, 42, .65);
    border: 1px solid var(--qsv-border);
    border-radius: 999px;
    padding: 4px 10px;
    backdrop-filter: blur(8px);
}

.qsv-embedded .qsv-progress,
.qsv-embedded #qsv-footer {
    display: none !important;
}

/* ===== التحميل ===== */
.qsv-loader {
    margin-top: 28vh;
    text-align: center;
    color: var(--qsv-muted);
}
.qsv-loader__icon {
    font-size: 52px;
    animation: qsv-pulse 1.6s ease-in-out infinite;
}
.qsv-loader__text { margin-top: 12px; font-size: 15px; }
@keyframes qsv-pulse { 0%,100%{ opacity:.55; transform: scale(1);} 50%{ opacity:1; transform: scale(1.08);} }

/* ===== البطاقة الرئيسية ===== */
.qsv-card {
    width: 100%;
    background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
    border: 1px solid var(--qsv-border);
    border-radius: var(--qsv-radius);
    box-shadow: var(--qsv-shadow);
    overflow: hidden;
    animation: qsv-rise .4s ease both;
}
@keyframes qsv-rise { from { opacity:0; transform: translateY(14px);} to { opacity:1; transform:none;} }

.qsv-header {
    padding: 26px 20px 20px;
    text-align: center;
    background:
        radial-gradient(420px 160px at 50% -40%, rgba(56,189,248,.18), transparent 70%),
        linear-gradient(180deg, rgba(15,23,42,.65), transparent);
    border-bottom: 1px solid var(--qsv-border);
}
.qsv-badge-top {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    color: var(--qsv-sky);
    background: var(--qsv-sky-soft);
    border: 1px solid rgba(56,189,248,.3);
    padding: 5px 12px;
    border-radius: 999px;
    letter-spacing: .3px;
}
.qsv-title {
    margin: 12px 0 6px;
    font-size: 30px;
    font-weight: 800;
    letter-spacing: .5px;
}
.qsv-title span { color: var(--qsv-gold); }
.qsv-desc {
    margin: 0 auto;
    max-width: 460px;
    color: var(--qsv-muted);
    font-size: 14.5px;
    line-height: 1.7;
}

/* ===== شريط التلميح: عدد الأحرف + الصعوبة + العداد ===== */
.qsv-hintbar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    align-items: stretch;
    padding: 18px 16px;
}
.qsv-pill {
    flex: 1 1 150px;
    min-width: 140px;
    background: var(--qsv-surface);
    border: 1px solid var(--qsv-border);
    border-radius: 14px;
    padding: 12px 14px;
    text-align: center;
}
.qsv-pill__label {
    font-size: 11.5px;
    color: var(--qsv-muted);
    margin-bottom: 8px;
    font-weight: 600;
    letter-spacing: .3px;
}
.qsv-slots {
    display: flex;
    gap: 6px;
    justify-content: center;
    flex-wrap: wrap;
}
.qsv-slot {
    width: 22px;
    height: 28px;
    border-radius: 6px;
    border: 1.5px solid var(--qsv-gold);
    background: var(--qsv-gold-soft);
    box-shadow: inset 0 -3px 0 rgba(251,191,36,.25);
}
.qsv-slot-count {
    font-size: 22px;
    font-weight: 800;
    color: var(--qsv-gold);
}
.qsv-diff {
    font-size: 20px;
    font-weight: 800;
}
.qsv-diff.easy { color: var(--qsv-green); }
.qsv-diff.medium { color: var(--qsv-gold); }
.qsv-diff.hard { color: var(--qsv-red); }

/* عدّاد الأسئلة (7 نقاط) */
.qsv-counter {
    display: flex;
    gap: 7px;
    justify-content: center;
    align-items: center;
}
.qsv-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--qsv-border-strong);
    background: transparent;
    transition: all .25s ease;
}
.qsv-dot.used {
    background: var(--qsv-sky);
    border-color: var(--qsv-sky);
    box-shadow: 0 0 10px rgba(56,189,248,.6);
}

/* ===== الأسئلة ===== */
.qsv-section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 4px 18px 10px;
    font-size: 13px;
    color: var(--qsv-muted);
    font-weight: 700;
}
.qsv-remaining { color: var(--qsv-sky); }

.qsv-questions {
    list-style: none;
    margin: 0;
    padding: 0 14px;
    display: grid;
    gap: 10px;
}
.qsv-q {
    background: var(--qsv-surface);
    border: 1px solid var(--qsv-border);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color .2s ease, transform .12s ease, opacity .2s ease;
}
.qsv-q__btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 14px;
    background: none;
    border: 0;
    color: var(--qsv-text);
    font-family: inherit;
    font-size: 15px;
    text-align: start;
    cursor: pointer;
    line-height: 1.6;
}
.qsv-q__num {
    flex: 0 0 30px;
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border-radius: 9px;
    background: var(--qsv-surface-2);
    border: 1px solid var(--qsv-border);
    color: var(--qsv-muted);
    font-weight: 800;
    font-size: 13px;
}
.qsv-q__text { flex: 1; }
.qsv-q__chev {
    flex: 0 0 auto;
    color: var(--qsv-muted);
    font-size: 13px;
}
.qsv-q:not(.locked):not(.revealed):hover {
    border-color: var(--qsv-sky);
    transform: translateY(-1px);
}
.qsv-q.revealed {
    border-color: rgba(56,189,248,.5);
    background: linear-gradient(180deg, var(--qsv-sky-soft), var(--qsv-surface));
}
.qsv-q.revealed .qsv-q__num {
    background: var(--qsv-sky);
    border-color: var(--qsv-sky);
    color: #04263a;
}
.qsv-q.locked {
    opacity: .42;
    pointer-events: none;
}
.qsv-q.locked .qsv-q__chev::before { content: '🔒'; }
.qsv-q__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
}
.qsv-q.revealed .qsv-q__answer { max-height: 200px; }
.qsv-q__answer-inner {
    padding: 0 14px 14px 56px;
    color: #cde9fb;
    font-size: 14.5px;
    line-height: 1.7;
}
.qsv-q__answer-inner b { color: var(--qsv-sky); font-weight: 700; }

/* ===== التخمين ===== */
.qsv-guess {
    padding: 18px 16px 8px;
}
.qsv-guess__label {
    font-size: 13.5px;
    color: var(--qsv-muted);
    margin-bottom: 8px;
    font-weight: 600;
}
.qsv-guess__row {
    display: flex;
    gap: 10px;
}
.qsv-input {
    flex: 1;
    background: rgba(2, 6, 23, .55);
    border: 1.5px solid var(--qsv-border-strong);
    border-radius: 12px;
    color: var(--qsv-text);
    font-family: inherit;
    font-size: 17px;
    padding: 13px 14px;
    text-align: center;
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.qsv-input:focus {
    border-color: var(--qsv-gold);
    box-shadow: 0 0 0 3px var(--qsv-gold-soft);
}
.qsv-btn {
    border: 0;
    border-radius: 12px;
    font-family: inherit;
    font-weight: 800;
    font-size: 15px;
    padding: 0 20px;
    cursor: pointer;
    transition: transform .12s ease, filter .2s ease, opacity .2s ease;
    white-space: nowrap;
}
.qsv-btn:active { transform: scale(.97); }
.qsv-btn--primary {
    background: linear-gradient(135deg, var(--qsv-gold), #f59e0b);
    color: #3a2503;
    box-shadow: 0 8px 22px rgba(251,191,36,.28);
}
.qsv-btn--primary:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }
.qsv-btn--ghost {
    background: var(--qsv-surface-2);
    color: var(--qsv-text);
    border: 1px solid var(--qsv-border);
    padding: 13px 20px;
}
.qsv-btn--block { display: block; width: 100%; padding: 15px; }
.qsv-error {
    color: var(--qsv-red);
    font-size: 13px;
    text-align: center;
    min-height: 18px;
    margin-top: 8px;
}
.qsv-foot-note {
    text-align: center;
    color: var(--qsv-muted);
    font-size: 12px;
    padding: 8px 16px 20px;
    line-height: 1.6;
}

/* ===== النتيجة ===== */
.qsv-result {
    text-align: center;
    padding: 30px 22px 26px;
    animation: qsv-rise .4s ease both;
}
.qsv-result__banner {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 800;
    padding: 9px 18px;
    border-radius: 999px;
    margin-bottom: 18px;
}
.qsv-result__banner.win {
    color: #052e16;
    background: linear-gradient(135deg, #4ade80, #22c55e);
}
.qsv-result__banner.lose {
    color: #fff;
    background: linear-gradient(135deg, #f87171, #ef4444);
}
.qsv-figure {
    width: 100%;
    max-width: 320px;
    margin: 0 auto 18px;
    aspect-ratio: 1 / 1;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--qsv-border);
    background: var(--qsv-surface);
    display: grid;
    place-items: center;
}
.qsv-figure img { width: 100%; height: 100%; object-fit: cover; display: block; }
.qsv-figure__emoji { font-size: 90px; }
.qsv-answer-label { color: var(--qsv-muted); font-size: 13px; margin-bottom: 4px; }
.qsv-answer-value {
    font-size: 30px;
    font-weight: 800;
    color: var(--qsv-gold);
    margin-bottom: 18px;
}
.qsv-score {
    display: inline-flex;
    flex-direction: column;
    gap: 2px;
    background: var(--qsv-surface);
    border: 1px solid var(--qsv-border);
    border-radius: 14px;
    padding: 14px 28px;
    margin-bottom: 22px;
}
.qsv-score__num { font-size: 38px; font-weight: 800; line-height: 1; }
.qsv-score__num.win { color: var(--qsv-green); }
.qsv-score__num.lose { color: var(--qsv-red); }
.qsv-score__label { font-size: 12px; color: var(--qsv-muted); }
.qsv-result__meta {
    color: var(--qsv-muted);
    font-size: 13px;
    margin-bottom: 22px;
}

/* ===== الإجابات بعد الانتهاء (مراجعة كل الأسئلة) ===== */
.qsv-review { margin-top: 8px; text-align: start; }
.qsv-review summary {
    cursor: pointer;
    color: var(--qsv-sky);
    font-size: 13.5px;
    font-weight: 700;
    text-align: center;
    list-style: none;
}
.qsv-review summary::-webkit-details-marker { display: none; }
.qsv-review__list {
    margin-top: 14px;
    display: grid;
    gap: 8px;
}
.qsv-review__item {
    background: var(--qsv-surface);
    border: 1px solid var(--qsv-border);
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 13.5px;
    line-height: 1.6;
}
.qsv-review__item b { color: var(--qsv-sky); }
.qsv-review__item.was-asked { border-color: rgba(56,189,248,.4); }

/* رسالة فارغة / خطأ */
.qsv-empty {
    margin-top: 22vh;
    text-align: center;
    color: var(--qsv-muted);
    padding: 0 20px;
}
.qsv-empty__icon { font-size: 48px; margin-bottom: 12px; }
.qsv-empty h2 { color: var(--qsv-text); font-size: 20px; margin: 0 0 8px; }

/* شارة الطفو (toast) */
.qsv-toast {
    position: fixed;
    inset-inline: 0;
    bottom: calc(20px + env(safe-area-inset-bottom));
    margin: 0 auto;
    width: max-content;
    max-width: 88%;
    background: rgba(2, 6, 23, .92);
    border: 1px solid var(--qsv-border-strong);
    color: var(--qsv-text);
    padding: 11px 18px;
    border-radius: 12px;
    font-size: 13.5px;
    z-index: 60;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity .25s ease, transform .25s ease;
    pointer-events: none;
}
.qsv-toast.show { opacity: 1; transform: none; }

/* ===== جوال ===== */
@media (max-width: 480px) {
    .qsv-title { font-size: 25px; }
    .qsv-figure { max-width: 80vw; }
    .qsv-q__btn { font-size: 14.5px; padding: 13px 12px; }
    .qsv-pill { flex-basis: 100%; }
    .qsv-hintbar { gap: 10px; }
}

@media (min-width: 481px) {
    .qsv { padding-top: 28px; }
}