@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Inter:wght@300;400;500&display=swap');

:root {
    --iq-s1:      #0e0e1c;
    --iq-s2:      #13132a;
    --iq-s3:      #1a1a35;
    --iq-border:  rgba(120,100,255,0.18);
    --iq-border2: rgba(120,100,255,0.38);
    --iq-violet:  #7c6fff;
    --iq-violet2: #a89dff;
    --iq-cyan:    #00e5d1;
    --iq-pink:    #ff6eb4;
    --iq-text:    #f0eeff;
    --iq-muted:   #7a779a;
    --iq-muted2:  #4e4b6a;
    --iq-r:       20px;
    --iq-r2:      12px;
    --iq-font-h:  'Syne', sans-serif;
    --iq-font-b:  'Inter', sans-serif;
}

.iq-test-wrap *, .iq-both-wrapper * { box-sizing: border-box; margin: 0; padding: 0; }

.iq-test-wrap, .iq-both-wrapper {
    font-family: var(--iq-font-b);
    max-width: 820px;
    margin: 48px auto;
    color: var(--iq-text);
}

/* --- Shared Panel Shell --- */
.iq-shell {
    background: var(--iq-s1);
    border: 1px solid var(--iq-border);
    border-radius: var(--iq-r);
    overflow: hidden;
    position: relative;
}
.iq-shell::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--iq-violet), var(--iq-cyan), var(--iq-pink));
    z-index: 10;
}
.iq-shell::after {
    content: '';
    position: absolute;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124,111,255,0.09) 0%, transparent 65%);
    top: -200px; right: -200px;
    pointer-events: none;
    z-index: 0;
}
.iq-glow-bottom {
    position: absolute;
    width: 350px; height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,229,209,0.06) 0%, transparent 70%);
    bottom: -120px; left: -80px;
    pointer-events: none; z-index: 0;
}

/* ============================================
   SELECTOR
============================================ */
.iq-test-selector { position: relative; }
.iq-selector-inner { position: relative; z-index: 1; padding: 56px 40px 48px; }
@media (max-width:600px) { .iq-selector-inner { padding: 44px 20px 36px; } }

.iq-selector-title {
    font-family: var(--iq-font-h);
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    font-weight: 800;
    text-align: center;
    letter-spacing: -0.03em;
    color: var(--iq-text);
    margin-bottom: 10px;
    line-height: 1.1;
}
.iq-selector-title span {
    background: linear-gradient(135deg, var(--iq-violet2), var(--iq-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.iq-selector-sub {
    text-align: center; color: var(--iq-muted); margin-bottom: 44px;
    font-size: 0.95rem;
}
.iq-cards-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
@media (max-width:600px) { .iq-cards-grid { grid-template-columns: 1fr; } }

/* Selection Cards */
.iq-card {
    background: var(--iq-s2);
    border: 1px solid var(--iq-border);
    border-radius: var(--iq-r);
    padding: 30px 26px 26px;
    cursor: pointer;
    transition: transform 0.28s cubic-bezier(.2,0,.1,1), border-color 0.25s;
    position: relative; overflow: hidden;
}
.iq-card:hover { transform: translateY(-6px); border-color: var(--iq-border2); }
.iq-card-glow {
    position: absolute; width: 220px; height: 220px;
    border-radius: 50%; top: -90px; right: -90px;
    pointer-events: none;
    background: radial-gradient(circle, rgba(124,111,255,0.13) 0%, transparent 70%);
}
.iq-card-featured {
    border-color: rgba(124,111,255,0.38);
    background: linear-gradient(160deg, #14132e 0%, #0e1225 100%);
}
.iq-card-featured .iq-card-glow {
    background: radial-gradient(circle, rgba(0,229,209,0.13) 0%, transparent 70%);
}
.iq-card-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--iq-violet), var(--iq-cyan));
    color: #fff; font-size: 0.62rem; font-weight: 700;
    letter-spacing: 0.14em; text-transform: uppercase;
    padding: 4px 12px; border-radius: 50px; margin-bottom: 18px;
}
.iq-card-icon-wrap {
    width: 52px; height: 52px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px; font-size: 1.6rem;
    background: rgba(124,111,255,0.1);
    border: 1px solid rgba(124,111,255,0.2);
}
.iq-card-featured .iq-card-icon-wrap {
    background: rgba(0,229,209,0.1); border-color: rgba(0,229,209,0.2);
}
.iq-card h3 {
    font-family: var(--iq-font-h); font-size: 1.25rem; font-weight: 700;
    color: var(--iq-text); margin-bottom: 5px; letter-spacing: -0.01em;
}
.iq-card-meta { font-size: 0.78rem; color: var(--iq-muted); margin-bottom: 18px; }
.iq-card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 24px; }
.iq-tag {
    font-size: 0.68rem; padding: 3px 9px; border-radius: 50px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
    color: var(--iq-muted);
}

/* ============================================
   BUTTONS
============================================ */
.iq-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 28px; border-radius: 50px;
    font-family: var(--iq-font-b); font-weight: 500; font-size: 0.9rem;
    cursor: pointer; border: none;
    transition: all 0.22s cubic-bezier(.2,0,.1,1);
    width: 100%; letter-spacing: 0.01em; position: relative; overflow: hidden;
}
.iq-btn::after { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0); transition: background 0.2s; }
.iq-btn:hover::after { background: rgba(255,255,255,0.06); }

.iq-btn-simple { background: var(--iq-s3); color: var(--iq-text); border: 1px solid var(--iq-border); }
.iq-btn-full, .iq-btn-start, .iq-btn-submit {
    background: linear-gradient(135deg, #6b5fee, #8c7ffe);
    color: #fff;
    box-shadow: 0 6px 24px rgba(107,95,238,0.4);
}
.iq-btn-full:hover, .iq-btn-start:hover, .iq-btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 32px rgba(107,95,238,0.55);
}
.iq-btn-prev, .iq-btn-next {
    background: var(--iq-s3); color: var(--iq-text);
    border: 1px solid var(--iq-border); width: auto; padding: 11px 22px;
}
.iq-btn-prev:hover:not(:disabled), .iq-btn-next:hover:not(:disabled) {
    border-color: var(--iq-violet); color: var(--iq-violet2);
}
.iq-btn:disabled { opacity: 0.3; cursor: not-allowed; transform: none !important; box-shadow: none; }
.iq-btn-retry {
    background: var(--iq-s3); color: var(--iq-text);
    border: 1px solid var(--iq-border); width: auto; padding: 11px 24px;
}
.iq-btn-retry:hover { border-color: var(--iq-violet); color: var(--iq-violet2); }
.iq-back-btn {
    background: none; border: 1px solid var(--iq-border); color: var(--iq-muted);
    padding: 7px 16px; border-radius: 8px; cursor: pointer;
    font-family: var(--iq-font-b); font-size: 0.8rem; margin-bottom: 20px;
    transition: all 0.2s;
}
.iq-back-btn:hover { color: var(--iq-text); border-color: var(--iq-violet); }

/* ============================================
   INTRO
============================================ */
.iq-intro-inner { padding: 64px 48px 56px; text-align: center; position: relative; z-index: 1; }
@media (max-width:500px) { .iq-intro-inner { padding: 48px 24px 40px; } }

.iq-intro-eyebrow {
    display: inline-block; font-size: 0.68rem; letter-spacing: 0.2em;
    text-transform: uppercase; color: var(--iq-violet2); margin-bottom: 18px;
    padding: 5px 14px; border: 1px solid rgba(124,111,255,0.25);
    border-radius: 50px; background: rgba(124,111,255,0.07);
}
.iq-intro-title {
    font-family: var(--iq-font-h); font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800; letter-spacing: -0.03em; line-height: 1.1;
    margin-bottom: 14px; color: var(--iq-text);
}
.iq-intro-title em {
    font-style: normal;
    background: linear-gradient(135deg, var(--iq-violet2), var(--iq-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.iq-intro-sub {
    color: var(--iq-muted); font-size: 0.975rem; margin-bottom: 44px;
    max-width: 400px; margin-left: auto; margin-right: auto; line-height: 1.65;
}
.iq-intro-stats {
    display: flex; justify-content: center;
    background: var(--iq-s2); border: 1px solid var(--iq-border);
    border-radius: 16px; padding: 20px 0;
    max-width: 380px; margin: 0 auto 40px;
}
.iq-stat { flex: 1; display: flex; flex-direction: column; align-items: center; position: relative; }
.iq-stat + .iq-stat::before {
    content: ''; position: absolute; left: 0; top: 12%; bottom: 12%;
    width: 1px; background: var(--iq-border);
}
.iq-stat-num {
    font-family: var(--iq-font-h); font-size: 1.8rem; font-weight: 800;
    color: var(--iq-violet2); line-height: 1; margin-bottom: 4px;
}
.iq-stat-lbl { font-size: 0.68rem; color: var(--iq-muted); text-transform: uppercase; letter-spacing: 0.1em; }
.iq-intro-inner .iq-btn-start { max-width: 260px; font-size: 0.975rem; padding: 15px 32px; }
.iq-intro-note { margin-top: 14px; font-size: 0.73rem; color: var(--iq-muted2); }

/* ============================================
   QUIZ
============================================ */
.iq-quiz-inner { padding: 36px 40px 40px; position: relative; z-index: 1; }
@media (max-width:500px) { .iq-quiz-inner { padding: 24px 20px 28px; } }

.iq-progress-bar-wrap { display: flex; align-items: center; gap: 14px; margin-bottom: 36px; }
.iq-progress-bar { flex: 1; height: 4px; background: var(--iq-s3); border-radius: 10px; overflow: hidden; }
.iq-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--iq-violet), var(--iq-cyan));
    border-radius: 10px;
    transition: width 0.5s cubic-bezier(.4,0,.2,1);
}
.iq-progress-text { color: var(--iq-muted); font-size: 0.8rem; white-space: nowrap; }

.iq-q-category {
    display: inline-block; font-size: 0.63rem; text-transform: uppercase;
    letter-spacing: 0.15em; color: var(--iq-cyan); font-weight: 600;
    margin-bottom: 10px; padding: 3px 10px;
    background: rgba(0,229,209,0.07); border-radius: 50px;
    border: 1px solid rgba(0,229,209,0.15);
}
.iq-q-number { font-size: 0.73rem; color: var(--iq-muted); margin-bottom: 12px; }
.iq-q-text {
    font-family: var(--iq-font-h);
    font-size: clamp(1rem, 2.5vw, 1.22rem); font-weight: 600;
    line-height: 1.5; color: var(--iq-text); margin-bottom: 26px;
    letter-spacing: -0.01em;
}
.iq-options {
    display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 32px;
}
@media (max-width:500px) { .iq-options { grid-template-columns: 1fr; } }

.iq-option {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 18px;
    background: var(--iq-s2); border: 1px solid var(--iq-border);
    border-radius: var(--iq-r2); cursor: pointer;
    font-family: var(--iq-font-b); font-size: 0.875rem;
    color: var(--iq-text); text-align: left;
    transition: all 0.18s cubic-bezier(.2,0,.1,1);
}
.iq-option:hover { border-color: var(--iq-border2); transform: translateX(4px); background: rgba(124,111,255,0.05); }
.iq-option.selected { border-color: var(--iq-violet); background: rgba(124,111,255,0.1); }
.iq-option.correct  { border-color: var(--iq-cyan); background: rgba(0,229,209,0.08); }
.iq-option.wrong    { border-color: var(--iq-pink); background: rgba(255,110,180,0.07); }

.iq-opt-letter {
    display: flex; align-items: center; justify-content: center;
    width: 30px; height: 30px; border-radius: 8px;
    background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.07);
    font-weight: 700; font-size: 0.72rem; flex-shrink: 0; color: var(--iq-muted);
    transition: all 0.18s;
}
.iq-option:hover .iq-opt-letter { background: rgba(124,111,255,0.15); color: var(--iq-violet2); border-color: rgba(124,111,255,0.3); }
.iq-option.selected .iq-opt-letter { background: var(--iq-violet); color: #fff; border-color: var(--iq-violet); }
.iq-option.correct .iq-opt-letter  { background: var(--iq-cyan); color: #000; border-color: var(--iq-cyan); }
.iq-option.wrong .iq-opt-letter    { background: var(--iq-pink); color: #fff; border-color: var(--iq-pink); }

.iq-nav-area { display: flex; align-items: center; gap: 12px; justify-content: space-between; }
.iq-btn-submit { width: auto; padding: 13px 30px; }

/* ============================================
   RESULTS
============================================ */
.iq-results-inner {
    padding: 40px; position: relative; z-index: 1;
    animation: iqFadeUp 0.7s cubic-bezier(.2,0,.1,1);
}
@media (max-width:500px) { .iq-results-inner { padding: 24px 20px; } }

@keyframes iqFadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

.iq-result-header {
    display: flex; gap: 36px; align-items: center;
    margin-bottom: 40px; flex-wrap: wrap;
}

/* Circle */
.iq-iq-circle { position: relative; width: 176px; height: 176px; flex-shrink: 0; }
.iq-circle-svg { width: 100%; height: 100%; }
.iq-circle-bg      { fill: none; stroke: var(--iq-s2); stroke-width: 10; }
.iq-circle-progress {
    fill: none; stroke-width: 10; stroke-linecap: round;
    stroke-dasharray: 502; stroke-dashoffset: 502;
    transition: stroke-dashoffset 1.6s cubic-bezier(.4,0,.2,1);
}
.iq-circle-text {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
}
.iq-score-num {
    font-family: var(--iq-font-h); font-size: 3rem; font-weight: 800;
    line-height: 1; color: var(--iq-text);
}
.iq-score-lbl { font-size: 0.62rem; color: var(--iq-muted); text-transform: uppercase; letter-spacing: 0.15em; }

.iq-result-info { flex: 1; min-width: 200px; }
.iq-result-label {
    font-family: var(--iq-font-h); font-size: 1.9rem; font-weight: 800;
    letter-spacing: -0.02em; margin-bottom: 10px; line-height: 1.15;
}
.iq-result-desc { color: var(--iq-muted); line-height: 1.7; margin-bottom: 18px; font-size: 0.925rem; }
.iq-percentile-wrap {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(124,111,255,0.08); border: 1px solid rgba(124,111,255,0.2);
    padding: 9px 18px; border-radius: 50px; font-size: 0.85rem; color: var(--iq-muted);
}
.iq-percentile {
    font-family: var(--iq-font-h); font-size: 1.45rem; font-weight: 800;
    color: var(--iq-cyan); line-height: 1;
}

/* IQ Scale */
.iq-scale-wrap { margin-bottom: 32px; }
.iq-scale-wrap h4 {
    font-size: 0.72rem; font-weight: 500; color: var(--iq-muted);
    margin-bottom: 14px; text-transform: uppercase; letter-spacing: 0.1em;
}
.iq-scale-track {
    height: 8px; border-radius: 50px;
    background: linear-gradient(90deg, #ff6eb4 0%, #f5c842 35%, #7c6fff 65%, #00e5d1 100%);
    position: relative; margin-bottom: 8px;
}
.iq-scale-marker {
    position: absolute; top: -4px;
    width: 16px; height: 16px; border-radius: 50%;
    background: #fff; border: 3px solid var(--iq-violet);
    transform: translateX(-50%);
    box-shadow: 0 0 14px rgba(124,111,255,0.9);
    transition: left 1.5s cubic-bezier(.4,0,.2,1);
    left: 0%;
}
.iq-scale-labels { display: flex; justify-content: space-between; font-size: 0.62rem; color: var(--iq-muted2); }

/* Charts */
.iq-charts-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 28px; }
@media (max-width:600px) { .iq-charts-row { grid-template-columns: 1fr; } }
.iq-chart-box {
    background: var(--iq-s2); border: 1px solid var(--iq-border);
    border-radius: var(--iq-r2); padding: 18px 18px 14px;
}
.iq-chart-box h4 {
    font-size: 0.7rem; font-weight: 500; color: var(--iq-muted);
    margin-bottom: 14px; text-transform: uppercase; letter-spacing: 0.1em;
}

/* Review */
.iq-answers-review { margin-bottom: 28px; }
.iq-answers-review h4 {
    font-size: 0.7rem; font-weight: 500; color: var(--iq-muted);
    margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.1em;
}
.iq-review-grid { display: flex; flex-wrap: wrap; gap: 6px; }
.iq-review-item {
    display: flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; border-radius: 10px;
    background: var(--iq-s2); border: 1px solid var(--iq-border);
    flex-direction: column; gap: 2px;
    transition: transform 0.18s;
}
.iq-review-item:hover { transform: scale(1.12); }
.iq-rev-num { font-size: 0.52rem; color: var(--iq-muted); line-height: 1; }
.iq-rev-icon { font-size: 0.875rem; line-height: 1; }
.iq-review-item.correct-ans { border-color: rgba(0,229,209,0.4); background: rgba(0,229,209,0.07); color: var(--iq-cyan); }
.iq-review-item.wrong-ans   { border-color: rgba(255,110,180,0.35); background: rgba(255,110,180,0.06); color: var(--iq-pink); }

.iq-result-actions { display: flex; justify-content: center; gap: 14px; }

/* ============================================
   WIDGET
============================================ */
.iq-widget-card {
    background: linear-gradient(160deg, #11102a 0%, #0d0d20 100%);
    border: 1px solid rgba(124,111,255,0.25); border-radius: 20px;
    font-family: 'Syne', 'Inter', sans-serif;
    overflow: hidden; position: relative;
}
.iq-widget-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, #7c6fff, #00e5d1, #ff6eb4);
}
.iq-widget-card::after {
    content: ''; position: absolute;
    width: 220px; height: 220px; border-radius: 50%;
    top: -80px; right: -80px;
    background: radial-gradient(circle, rgba(124,111,255,0.13) 0%, transparent 70%);
    pointer-events: none;
}
.iq-widget-inner { padding: 28px 24px; position: relative; z-index: 1; }
.iq-widget-brain {
    font-size: 2.4rem; display: block; margin-bottom: 12px;
    animation: iqFloat 3s ease-in-out infinite;
}
@keyframes iqFloat {
    0%,100% { transform: translateY(0) rotate(0deg); }
    50%      { transform: translateY(-8px) rotate(5deg); }
}
.iq-widget-title {
    font-family: 'Syne', sans-serif; font-size: 1.1rem; font-weight: 800;
    letter-spacing: -0.02em; color: #f0eeff; margin-bottom: 7px; line-height: 1.2;
}
.iq-widget-sub { color: #7a779a; font-size: 0.8rem; margin-bottom: 16px; line-height: 1.55; }
.iq-widget-stats { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.iq-widget-stat {
    font-size: 0.68rem; padding: 3px 9px; border-radius: 50px;
    background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.07);
    color: #a89dff; font-weight: 500; font-family: 'Inter', sans-serif;
}
.iq-widget-btn {
    display: block;
    background: linear-gradient(135deg, #6b5fee, #8c7ffe);
    color: #fff !important; text-decoration: none !important;
    padding: 12px 20px; border-radius: 50px;
    font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.85rem;
    transition: all 0.22s cubic-bezier(.2,0,.1,1); text-align: center;
    box-shadow: 0 4px 18px rgba(107,95,238,0.4);
}
.iq-widget-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(107,95,238,0.55); }

/* ============================================
   LOADING
============================================ */
.iq-loading {
    display: flex; flex-direction: column;
    align-items: center; padding: 80px 20px; gap: 20px;
}
.iq-spinner {
    width: 40px; height: 40px;
    border: 2px solid rgba(124,111,255,0.15);
    border-top-color: #7c6fff; border-radius: 50%;
    animation: iqSpin 0.7s linear infinite;
}
@keyframes iqSpin { to { transform: rotate(360deg); } }
.iq-loading p { color: #7a779a; font-size: 0.875rem; font-family: 'Inter', sans-serif; }