/*==================================================
EXAM
==================================================*/

:root {
    --kg-primary:#4f8cff;
    --kg-primary-light:#76a8ff;
    --kg-bg:#08111f;
    --kg-bg2:#0f172a;
    --kg-card:rgba(16,24,40,.72);
    --kg-border:rgba(255,255,255,.08);
    --kg-white:#ffffff;
    --kg-text:#d7e4ff;
    --kg-muted:#91a4c6;
}

* {
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body {
    font-family:Poppins,sans-serif;
    background:
 radial-gradient(circle at top right,
 rgba(79,140,255,.18),
 transparent 35%),
 radial-gradient(circle at bottom left,
 rgba(124,77,255,.10),
 transparent 30%),
 var(--kg-bg);
    color:var(--kg-white);
    min-height:100vh;
}

.kg-exam-system {
    width:min(1700px,95%);
    margin:auto;
    padding:35px 0 40px;
}

.kg-exam-header {
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:25px;
    margin-bottom:18px;
}

.kg-exam-back {
    display:flex;
    align-items:center;
    gap:10px;
    color:#fff;
    text-decoration:none;
    padding:14px 22px;
    border-radius:16px;
    background:rgba(255,255,255,.05);
    border:1px solid var(--kg-border);
    transition:.35s;
}

.kg-exam-back:hover {
    transform:translateY(-3px);
    border-color:var(--kg-primary);
    box-shadow:0 15px 35px rgba(79,140,255,.25);
}

.kg-exam-title {
    text-align:center;
    flex:1;
}

.kg-exam-title h1 {
    font-size:30px;
    font-weight:700;
    margin-bottom:8px;
}

.kg-exam-title p {
    color:var(--kg-muted);
}

.kg-exam-title strong {
    color:var(--kg-primary-light);
}

.kg-exam-timer {
    min-width:170px;
    display:flex;
    justify-content:center;
    align-items:center;
    gap:12px;
    padding:18px;
    border-radius:18px;
    background:var(--kg-card);
    backdrop-filter:blur(18px);
    border:1px solid var(--kg-border);
    box-shadow:0 20px 45px rgba(0,0,0,.35);
}

.kg-exam-timer i {
    color:var(--kg-primary);
}

.kg-exam-timer span {
    font-size:28px;
    font-weight:700;
    letter-spacing:1px;
}

.kg-exam-progress {
    height:12px;
    border-radius:50px;
    background:rgba(255,255,255,.06);
    overflow:hidden;
    margin-bottom:35px;
}

.kg-exam-progress-bar {
    width:0%;
    height:100%;
    border-radius:50px;
    background:linear-gradient(90deg,#4f8cff,#76a8ff);
}

.kg-exam-layout {
    display:grid;
    grid-template-columns:minmax(0,1fr) 310px;
    gap:28px;
    align-items:start;
}

.kg-exam-content {
    min-height:700px;
}

.kg-exam-sidebar {
    min-height:700px;
}

.kg-exam-question-card {
    background:var(--kg-card);
    backdrop-filter:blur(18px);
    border:1px solid var(--kg-border);
    border-radius:28px;
    padding:35px;
    box-shadow:0 25px 60px rgba(0,0,0,.35);
}

.kg-exam-question-top {
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:30px;
}

.kg-exam-question-number {
    display:flex;
    align-items:center;
    gap:12px;
}

.kg-exam-question-number span {
    width:48px;
    height:48px;
    border-radius:14px;
    display:flex;
    justify-content:center;
    align-items:center;
    background:linear-gradient(135deg,#4f8cff,#2563eb);
    font-weight:700;
    box-shadow:0 15px 35px rgba(79,140,255,.35);
}

.kg-exam-question-number h3 {
    font-size:22px;
}

.kg-exam-question-count {
    color:var(--kg-muted);
}

.kg-exam-question-text {
    font-size:22px;
    line-height:1.9;
    color:#f5f7fb;
    margin-bottom:40px;
}

.kg-exam-options {
    display:flex;
    flex-direction:column;
    gap:18px;
}

.kg-exam-option {
    display:flex;
    align-items:center;
    gap:18px;
    padding:20px;
    border-radius:18px;
    cursor:pointer;
    background:rgba(255,255,255,.03);
    border:1px solid rgba(255,255,255,.06);
    transition:.30s;
}

.kg-exam-option:hover {
    transform:translateX(6px);
    border-color:#4f8cff;
    background:rgba(79,140,255,.08);
}

.kg-exam-option-letter {
    width:46px;
    height:46px;
    border-radius:50%;
    background:#17243b;
    display:flex;
    justify-content:center;
    align-items:center;
    font-weight:700;
    color:#76a8ff;
    flex-shrink:0;
}

.kg-exam-option-text {
    flex:1;
    line-height:1.7;
    color:#d7e4ff;
}

.kg-exam-navigation {
    display:flex;
    justify-content:space-between;
    gap:18px;
    margin-top:45px;
}

.kg-exam-btn {
    border:none;
    cursor:pointer;
    padding:16px 30px;
    border-radius:16px;
    font-size:15px;
    font-weight:600;
    transition:.30s;
}

.kg-exam-btn-prev {
    background:rgba(255,255,255,.05);
    color:#fff;
    border:1px solid rgba(255,255,255,.08);
}

.kg-exam-btn-next {
    background:linear-gradient(135deg,#4f8cff,#2563eb);
    color:#fff;
    box-shadow:0 18px 40px rgba(79,140,255,.35);
}

.kg-exam-btn:hover {
    transform:translateY(-3px);
}

.kg-exam-sidebar {
    position:sticky;
    top:25px;
    display:flex;
    flex-direction:column;
    gap:20px;
}

.kg-sidebar-card {
    background:var(--kg-card);
    border:1px solid var(--kg-border);
    backdrop-filter:blur(18px);
    border-radius:24px;
    padding:18px;
    box-shadow:0 20px 45px rgba(0,0,0,.35);
}

.kg-sidebar-card h3 {
    margin-bottom:12px;
    font-size:17px;
}

.kg-sidebar-stats {
    display:flex;
    flex-direction:column;
}

.kg-stat-item {
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:2px 0;
}

.kg-stat-item span {
    color:var(--kg-muted);
    font-size:14px;
}

.kg-stat-item strong {
    color:var(--kg-primary-light);
    font-size:16px;
}

.kg-question-palette {
    display:grid;
    grid-template-columns:repeat(9,1fr);
    gap:7px;
}

.kg-question-number {
    aspect-ratio:1/1;
    width:100%;
    border:none;
    cursor:pointer;
    border-radius:10px;
    background:#17243b;
    color:#fff;
    font-size:13px;
    font-weight:600;
    transition:.30s;
}

.kg-question-number:hover {
    background:#4f8cff;
}

.kg-question-number.active {
    background:#4f8cff;
    box-shadow:0 0 18px rgba(79,140,255,.45);
}

.kg-legend {
    display:flex;
    flex-direction:column;
    gap:14px;
}

.kg-legend div {
    display:flex;
    align-items:center;
    gap:10px;
    color:var(--kg-text);
}

.kg-dot {
    width:14px;
    height:14px;
    border-radius:50%;
}

.kg-dot.current {
    background:#4f8cff;
}

.kg-dot.answered {
    background:#22c55e;
}

.kg-dot.empty {
    background:#64748b;
}

.kg-finish-btn {
    border:none;
    cursor:pointer;
    margin-top:18px;
    padding:15px;
    border-radius:18px;
    font-size:15px;
    font-weight:600;
    color:#fff;
    background:linear-gradient(135deg,#ef4444,#dc2626);
    box-shadow:0 18px 40px rgba(239,68,68,.35);
    transition:.30s;
}

.kg-finish-btn:hover {
    transform:translateY(-3px);
}

.kg-question-card {
    background:var(--kg-card);
    border:1px solid var(--kg-border);
    border-radius:28px;
    backdrop-filter:blur(18px);
    box-shadow:0 20px 45px rgba(0,0,0,.35);
    padding:15px !important;
}

.kg-question-header {
    margin-bottom:12px !important;
}

.kg-question-info {
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.kg-question-badge {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:#4f8cff;
    color:#fff;
    padding:7px 14px;
    border-radius:999px;
    font-size:13px;
    font-weight:600;
    line-height:1;
    letter-spacing:.2px;
}

.kg-question-type {
    color:#76a8ff;
    font-weight:600;
}

.kg-question-text {
    font-size:20px !important;
    line-height:1.5 !important;
    color:#fff;
    margin-bottom:14px !important;
}

.kg-question-image {
    display:none;
}

.kg-options {
    display:flex;
    flex-direction:column;
    gap:8px;
}

.kg-option {
    width:100%;
    display:flex;
    align-items:center;
    gap:18px;
    padding:14px 20px;
    border:none;
    cursor:pointer;
    border-radius:18px;
    background:rgba(255,255,255,.03);
    border:1px solid rgba(255,255,255,.08);
    transition:.30s;
}

.kg-option:hover {
    border-color:#4f8cff;
    background:rgba(79,140,255,.08);
    transform:translateX(5px);
}

.kg-option-letter {
    width:38px;
    height:38px;
    font-size:14px;
    border-radius:50%;
    display:flex;
    justify-content:center;
    align-items:center;
    background:#17243b;
    color:#76a8ff;
    font-weight:700;
    flex-shrink:0;
}

.kg-option-text {
    color:#fff;
    text-align:left;
    line-height:1.6;
}

.kg-option.selected {
    border-color:var(--primary-color);
    background:rgba(79,140,255,.12);
    box-shadow:0 0 20px rgba(79,140,255,.25);
}

.kg-option.selected .kg-option-letter {
    background:var(--primary-color);
    color:#fff;
}

.kg-question-footer {
    display:flex;
    justify-content:space-between;
    gap:15px;
    margin-top:16px;
}

.kg-nav-btn, .kg-clear-btn {
    height:46px;
    padding:0 22px;
    font-size:14px;
    border:none;
    border-radius:16px;
    cursor:pointer;
    font-weight:600;
}

.kg-nav-btn {
    background:#4f8cff;
    color:#fff;
}

.kg-clear-btn {
    background:rgba(255,255,255,.05);
    color:#fff;
    border:1px solid rgba(255,255,255,.08);
}

.kg-next {
    background:#2563eb;
}

.kg-nav-btn:disabled {
    opacity:.45;
    cursor:not-allowed;
    transform:none;
    box-shadow:none;
    filter:grayscale(.3);
}

.kg-nav-btn:disabled:hover {
    transform:none;
}

.kg-question-number.answered {
    background:goldenrod;
    border-color:goldenrod;
    color:#fff;
}

.kg-exam-modal {
    position:fixed;
    inset:0;
    background:rgba(8,12,20,.75);
    backdrop-filter:blur(8px);
    display:flex;
    align-items:center;
    justify-content:center;
    opacity:0;
    visibility:hidden;
    transition:.35s;
    z-index:99999;
}

.kg-exam-modal.show {
    opacity:1;
    visibility:visible;
}

.kg-exam-modal-box {
    width:min(460px,92%);
    background:#141b29;
    border:1px solid rgba(255,255,255,.08);
    border-radius:22px;
    padding:40px;
    text-align:center;
}

.kg-exam-modal-icon {
    width:80px;
    height:80px;
    margin:auto auto 20px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    background:rgba(79,140,255,.15);
    color:#4f8cff;
    font-size:34px;
}

.kg-modal-btn {
    width:100%;
    margin-top:30px;
    height:56px;
    border:none;
    border-radius:14px;
    background:linear-gradient(135deg,#4f8cff,#3b82f6);
    color:#fff;
    font-size:16px;
    font-weight:600;
    cursor:pointer;
    transition:.3s;
}

.kg-exit-btn {
    width:100%;
    margin-top:30px;
    height:56px;
    border:none;
    border-radius:14px;
    background:linear-gradient(135deg,#f32222,#a80202);
    color:#fff;
    font-size:16px;
    font-weight:600;
    cursor:pointer;
    transition:.3s;
}

.kg-exit-btn:hover {
    transform:translateY(-2px);
    box-shadow:0 12px 30px rgba(255, 0, 0, 0.35);
}

.kg-exit-btn:active {
    transform:scale(.98);
}

.kg-modal-btn:hover {
    transform:translateY(-2px);
    box-shadow:0 12px 30px rgba(79,140,255,.35);
}

.kg-modal-btn:active {
    transform:scale(.98);
}

.kg-exam-modal-icon {
    width:90px;
    height:90px;
    margin:auto auto 25px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    background:rgba(79,140,255,.12);
    border:1px solid rgba(79,140,255,.25);
    color:#4f8cff;
    font-size:38px;
    box-shadow:0 0 30px rgba(79,140,255,.25);
}

@keyframes kgPulse {
    0% {
        transform:scale(1);
    }
    50% {
        transform:scale(1.08);
    }
    100% {
        transform:scale(1);
    }

}

.kg-exam-modal-icon {
    animation:kgPulse 2s infinite;
}

.kg-exam-progress {
    display:flex;
    align-items:center;
    gap:10px;
    padding:12px 18px;
    border:1px solid rgba(255,255,255,.08);
    border-radius:14px;
    background:rgba(255,255,255,.03);
    color:#fff;
}

.kg-exam-progress i {
    color:#22c55e;
    font-size:18px;
}

.kg-result-screen {
    position: fixed;
    inset: 0;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 45px 20px;
    overflow-y: auto;
    background:
 rgba(5, 9, 18, .94);
    backdrop-filter:
 blur(14px);
    -webkit-backdrop-filter:
 blur(14px);
    z-index: 999999;
}

.kg-result-screen.show {
    display: flex;
}

.kg-result-card {
    position: relative;
    width: min(760px, 100%);
    margin: auto;
    padding: 38px;
    border-radius: 28px;
    background:
 linear-gradient(
 180deg,
 #192438 0%,
 #111a2b 100%
 );
    border:
 1px solid
 rgba(255,255,255,.08);
    box-shadow:
 0 35px 90px
 rgba(0,0,0,.55);
    overflow: hidden;
    animation:
 resultPopup .45s ease;
}

.kg-result-card::before {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    top: -160px;
    right: -100px;
    border-radius: 50%;
    background:
 rgba(79,140,255,.13);
    filter:
 blur(70px);
    pointer-events: none;
}

.kg-result-card::after {
    content: "";
    position: absolute;
    width: 260px;
    height: 260px;
    bottom: -150px;
    left: -100px;
    border-radius: 50%;
    background:
 rgba(124,77,255,.10);
    filter:
 blur(80px);
    pointer-events: none;
}

.kg-result-header {
    position: relative;
    z-index: 2;
    text-align: center;
}

.kg-result-icon {
    width: 82px;
    height: 82px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #4f8cff;
    background:
 rgba(79,140,255,.10);
    border:
 1px solid
 rgba(79,140,255,.25);
    font-size: 34px;
    box-shadow:
 0 0 35px
 rgba(79,140,255,.18);
}

.kg-result-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 15px;
    margin-bottom: 14px;
    border-radius: 999px;
    color: #8ab4ff;
    background:
 rgba(79,140,255,.08);
    border:
 1px solid
 rgba(79,140,255,.18);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .5px;
}

.kg-result-header h2 {
    margin: 0 0 12px;
    font-size: 34px;
    font-weight: 700;
    color: #fff;
}

.kg-result-status {
    display: inline-flex;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .4px;
}

.kg-result-status.success {
    color: #22c55e;
    background:
 rgba(34,197,94,.10);
    border:
 1px solid
 rgba(34,197,94,.22);
}

.kg-result-status.danger {
    color: #ef4444;
    background:
 rgba(239,68,68,.10);
    border:
 1px solid
 rgba(239,68,68,.22);
}

#resultMessage {
    max-width: 550px;
    margin: 15px auto 0;
    color:
 #8e9ab0;
    font-size: 14px;
    line-height: 1.6;
}

.kg-result-meta {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 28px 0;
}

.kg-result-meta {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 25px;
    margin-bottom: 40px;
}

.kg-result-meta-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    width: 100%;
    text-align: center;
    color: #ffffff;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.4;
}

.kg-result-meta-title i {
    color: #4f8cff;
    font-size: 16px;
}

.kg-result-meta-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.kg-result-meta-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 17px;
    border-radius: 13px;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.06);
    color: #c6d1e5;
    font-size: 13px;
    white-space: nowrap;
}

.kg-result-meta-item i {
    color: #4f8cff;
    font-size: 14px;
}

@media (max-width: 600px) {
    .kg-result-meta {
        gap: 14px;
        margin-top: 20px;
        margin-bottom: 30px;
    }
    .kg-result-meta-title {
        padding: 0 10px;
        font-size: 15px;
        line-height: 1.5;
        text-align: center;
    }
    .kg-result-meta-badges {
        width: 100%;
        gap: 8px;
    }
    .kg-result-meta-item {
        padding: 10px 13px;
        font-size: 12px;
    }

}

.kg-result-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns:
 repeat(2, 1fr);
    gap: 14px;
    margin: 25px 0;
}

.kg-result-item {
    position: relative;
    padding: 22px;
    text-align: center;
    border-radius: 18px;
    background:
 rgba(8,15,30,.62);
    border:
 1px solid
 rgba(255,255,255,.055);
    transition:
 transform .25s ease,
 border-color .25s ease,
 background .25s ease;
}

.kg-result-item:hover {
    transform:
 translateY(-3px);
    border-color:
 rgba(79,140,255,.22);
    background:
 rgba(79,140,255,.055);
}

.kg-score-card-icon {
    width: 34px;
    height: 34px;
    margin: 0 auto 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color:
 #4f8cff;
    background:
 rgba(79,140,255,.10);
    font-size: 14px;
}

.kg-result-item h3 {
    margin: 0 0 6px;
    font-size: 32px;
    line-height: 1;
    color: #fff;
}

.kg-result-item span {
    color:
 #737f94;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .5px;
}

#resultBasicCard h3 {
    color: #4f8cff;
}

#resultWeaponCard h3 {
    color: #a78bfa;
}

#resultCorrectCard h3 {
    color: #22c55e;
}

#resultWrongCard h3 {
    color: #ef4444;
}

.kg-total-score {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 22px;
    margin: 18px 0;
    border-radius: 17px;
    background:
 linear-gradient(
 135deg,
 rgba(79,140,255,.10),
 rgba(124,77,255,.08)
 );
    border:
 1px solid
 rgba(79,140,255,.16);
}

.kg-total-score-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.kg-total-score-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: #f59e0b;
    background:
 rgba(245,158,11,.10);
}

.kg-total-score-left span {
    display: block;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
}

.kg-total-score-left small {
    display: block;
    margin-top: 3px;
    color: #707c91;
    font-size: 11px;
}

.kg-total-score > strong {
    font-size: 30px;
    color: #fff;
}

.kg-question-summary {
    position: relative;
    z-index: 2;
    margin-top: 28px;
    padding: 20px;
    border-radius: 18px;
    background:
 rgba(8,15,30,.55);
    border:
 1px solid
 rgba(255,255,255,.055);
}

.kg-question-summary-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.kg-question-summary-header > div {
    display: flex;
    align-items: center;
    gap: 8px;
}

.kg-question-summary-header i {
    color: #4f8cff;
}

.kg-question-summary-header strong {
    color: #d9e0ec;
    font-size: 14px;
}

.kg-question-summary-header span {
    color: #657187;
    font-size: 12px;
}

.kg-analysis-bar {
    display: flex;
    width: 100%;
    height: 13px;
    overflow: hidden;
    border-radius: 999px;
    background:
 rgba(255,255,255,.06);
}

.kg-analysis-correct {
    width: 0%;
    background: #22c55e;
    transition: width .5s ease;
}

.kg-analysis-wrong {
    width: 0%;
    background: #ef4444;
    transition: width .5s ease;
}

.kg-analysis-empty {
    width: 0%;
    background: #cbd5e1;
    transition: width .5s ease;
}

.kg-analysis-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 13px;
}

.kg-analysis-legend span {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #69758a;
    font-size: 11px;
}

.kg-analysis-legend strong {
    color: #aeb8c9;
}

.kg-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.kg-dot.correct {
    background: #22c55e;
}

.kg-dot.wrong {
    background: #ef4444;
}

.kg-dot.empty {
    background: #cbd5e1;
}

.kg-result-buttons {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns:
 1fr 1fr;
    gap: 12px;
    margin-top: 25px;
}

.kg-result-buttons .kg-modal-btn {
    min-height: 54px;
    border-radius: 14px;
    font-size: 13px;
    font-weight: 600;
}

.kg-review-btn {
    color: #6fa3ff;
    background:
 rgba(79,140,255,.06);
    border:
 1px solid
 rgba(79,140,255,.25);
}

.kg-review-btn:hover {
    background:
 rgba(79,140,255,.11);
}

.kg-restart-btn {
    color: #fff;
    background:
 linear-gradient(
 135deg,
 #4f8cff,
 #7c4dff
 );
    border: none;
    box-shadow:
 0 10px 30px
 rgba(79,140,255,.18);
}

.kg-restart-btn:hover {
    transform:
 translateY(-2px);
    box-shadow:
 0 15px 35px
 rgba(79,140,255,.28);
}

@keyframes resultPopup {
    from {
        opacity: 0;
        transform:
 translateY(30px)
 scale(.97);
    }
    to {
        opacity: 1;
        transform:
 translateY(0)
 scale(1);
    }

}

@media (max-width: 600px) {
    .kg-result-screen {
        padding:
 20px 12px;
    }
    .kg-result-card {
        padding:
 26px 18px;
        border-radius:
 22px;
    }
    .kg-result-header h2 {
        font-size: 28px;
    }
    .kg-result-grid {
        gap: 10px;
    }
    .kg-result-item {
        padding:
 18px 12px;
    }
    .kg-result-item h3 {
        font-size: 28px;
    }
    .kg-result-meta {
        flex-direction:
 column;
    }
    .kg-result-meta-item {
        justify-content:
 center;
    }
    .kg-result-buttons {
        grid-template-columns:
 1fr;
    }
    .kg-analysis-legend {
        gap: 10px;
    }

}

.kg-progress-wrapper {
    margin-top:16px;
}

.kg-progress-info {
    display:flex;
    justify-content:space-between;
    margin-bottom:8px;
    color:#bfc9da;
    font-size:13px;
}

.kg-progress-bar {
    width:100%;
    height:10px;
    border-radius:999px;
    background:rgba(255,255,255,.08);
    overflow:hidden;
}

.kg-progress-fill {
    width:0%;
    height:100%;
    border-radius:999px;
    background:linear-gradient(90deg,#4f8cff,#7c4dff);
    transition:.35s;
    box-shadow:0 0 18px rgba(79,140,255,.45);
}

.kg-modal-overlay {
    position:fixed;
    inset:0;
    display:none;
    align-items:center;
    justify-content:center;
    padding:20px;
    background:rgba(8,12,20,.78);
    backdrop-filter:blur(8px);
    z-index:999999;
}

.kg-modal-overlay.show {
    display:flex;
}

.kg-modal {
    width:min(480px,100%);
    padding:40px;
    border-radius:28px;
    background:linear-gradient(180deg,#182233 0%,#111927 100%);
    border:1px solid rgba(255,255,255,.08);
    box-shadow:0 30px 70px rgba(0,0,0,.55);
    text-align:center;
}

.kg-modal-icon {
    width:80px;
    height:80px;
    margin:0 auto 25px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    background:rgba(79,140,255,.12);
    border:1px solid rgba(79,140,255,.25);
    color:#4f8cff;
    font-size:34px;
}

.kg-modal h2 {
    color:#fff;
    font-size:28px;
    margin-bottom:15px;
}

.kg-modal p {
    color:#9fb0c9;
    line-height:1.7;
    margin-bottom:35px;
}

.kg-modal-buttons {
    display:flex;
    gap:16px;
}

.kg-modal-btn {
    flex:1;
    height:54px;
    border:none;
    border-radius:16px;
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    transition:.3s;
}

.kg-modal-cancel {
    background:rgba(255,255,255,.06);
    color:#fff;
}

.kg-modal-cancel:hover {
    background:rgba(255,255,255,.12);
}

.kg-modal-confirm {
    background:linear-gradient(135deg,#4f8cff,#7c4dff);
    color:#fff;
}

.kg-modal-confirm:hover {
    transform:translateY(-3px);
    box-shadow:0 16px 35px rgba(79,140,255,.35);
}

@media(max-width:768px) {
    .kg-modal {
        padding:30px 22px;
    }
    .kg-modal-buttons {
        flex-direction:column;
    }

}

.kg-option.correct {
    border-color:#22c55e;
    background:rgba(34,197,94,.15);
    color:#22c55e;
}

.kg-option.wrong {
    border-color:#ef4444;
    background:rgba(239,68,68,.15);
    color:#ef4444;
}

.kg-question-explanation {
    display:none;
    margin-top:30px;
    padding:24px;
    border-radius:18px;
    background:rgba(79,140,255,.08);
    border:1px solid rgba(79,140,255,.18);
}

.kg-question-explanation.show {
    display:block;
}

.kg-explanation-title {
    display:flex;
    align-items:center;
    gap:10px;
    color:#4f8cff;
    font-size:18px;
    font-weight:700;
    margin-bottom:15px;
}

.kg-question-explanation p {
    color:#dbe7ff;
    line-height:1.8;
}

#clearAnswerBtn:disabled {
    opacity:.45;
    cursor:not-allowed;
    pointer-events:none;
    filter:grayscale(.3);
}

#finishExamBtn.review-mode {
    background:linear-gradient(135deg,#4f8cff,#2d6bff);
}

#finishExamBtn.review-mode {
    background: linear-gradient(135deg,#4f8cff,#2d6bff);
    box-shadow: 0 12px 30px rgba(79,140,255,.35);
}

#finishExamBtn.review-mode:hover {
    box-shadow: 0 16px 36px rgba(79,140,255,.45);
}

@media(max-width:768px) {
    .kg-exam-system {
        width:94%;
        padding:20px 0 30px;
    }
    .kg-exam-header {
        flex-direction:column;
        display:flex;
        align-items:stretch;
        gap:15px;
    }
    .kg-exam-back {
        justify-content:center;
        padding:10px 12px;
        font-size:14px;
    }
    .kg-exam-title h1 {
        font-size:20px;
        line-height:1.35;
    }
    .kg-exam-title p {
        font-size:14px;
    }
    .kg-exam-timer {
        min-width:auto;
        width:100%;
        padding:10px;
    }
    .kg-exam-timer span {
        font-size:22px;
    }
    .kg-exam-progress {
        width:100%;
    }
    .kg-exam-layout {
        grid-template-columns:1fr;
        gap:20px;
    }
    .kg-question-card {
        padding:55px;
        border-radius:22px;
    }
    .kg-question-info {
        gap:10px;
    }
    .kg-question-badge {
        padding:6px 14px;
        font-size:13px;
    }
    .kg-question-type {
        font-size:13px;
    }
    .kg-question-text {
        font-size:18px;
        line-height:1.6;
    }
    .kg-option {
        padding:14px;
        gap:12px;
        border-radius:14px;
    }
    .kg-option-letter {
        width:38px;
        height:38px;
    }
    .kg-option-text {
        font-size:14px;
    }
    .kg-question-footer {
        flex-direction:column;
        margin-top:25px;
    }
    .kg-nav-btn, .kg-clear-btn {
        width:100%;
        padding:14px;
    }
    .kg-exam-sidebar {
        position:static;
        min-height:auto;
    }
    .kg-sidebar-card {
        padding:18px;
        border-radius:20px;
    }
    .kg-sidebar-card h3 {
        font-size:17px;
        margin-bottom:15px;
    }
    .kg-sidebar-stats {
        gap:12px;
    }
    .kg-stat-item strong {
        font-size:16px;
    }
    .kg-progress-wrapper {
        margin-top:15px;
    }
    .kg-question-palette {
        grid-template-columns:repeat(10,1fr);
        gap:6px;
    }
    .kg-question-number {
        min-height:auto;
        width:100%;
        aspect-ratio:1/1;
        border-radius:8px;
        font-size:11px;
    }
    .kg-legend {
        gap:10px;
    }
    .kg-legend div {
        font-size:14px;
    }
    .kg-finish-btn {
        width:100%;
        height:55px;
    }
    .kg-exam-modal-box {
        padding:25px 18px;
        border-radius:20px;
    }
    .kg-result-screen {
        padding:20px 10px;
    }
    .kg-result-card {
        padding:25px 18px;
    }
    .kg-question-explanation {
        padding:18px;
    }
    .kg-answer-progress {
        justify-content: center;
        width: 100%;
    }
    .kg-exam-timer, .kg-answer-progress {
        width:100%;
    }
    .kg-exam-timer, .kg-answer-progress {
        flex-direction:row;
        justify-content:center;
        height:55px;
    }
    .kg-header-stats {
        width:100%;
        display:flex;
        flex-direction:row;
        gap:10px;
    }
    .kg-header-stats .kg-exam-timer, .kg-header-stats .kg-answer-progress {
        flex:1;
        width:auto;
        justify-content:center;
        padding:12px;
    }
    .kg-question-card {
        padding:18px;
        border-radius:22px;
    }
    .kg-question-header {
        margin-bottom:12px;
    }
    .kg-question-info {
        align-items:center;
    }
    .kg-question-badge {
        padding:4px 10px;
        font-size:11px;
    }
    .kg-question-type {
        font-size:11px;
    }
    .kg-question-text {
        font-size:18px;
        line-height:1.7;
        margin-bottom:20px;
        word-break:break-word;
        overflow-wrap:break-word;
    }
    .kg-question-body {
        width:100%;
    }
    .kg-options {
        gap:12px;
    }
    .kg-option {
        padding:12px;
        gap:12px;
        border-radius:14px;
        min-height:55px;
    }
    .kg-option-letter {
        width:36px;
        height:36px;
        font-size:13px !important;
    }
    .kg-option-text {
        font-size:14px;
        line-height:1.5;
    }
    .kg-option:active {
        transform:scale(.98);
    }
    .kg-question-footer {
        flex-direction:column;
        gap:12px;
        margin-top:25px;
    }
    .kg-nav-btn, .kg-clear-btn {
        width:100%;
        height:45px;
        padding:0;
        font-size:13px;
        border-radius:14px;
    }
    .kg-nav-btn:active, .kg-clear-btn:active {
        transform:scale(.97);
    }

}

@media(max-width:350px) {
    .kg-question-palette {
        grid-template-columns:repeat(8,1fr);
    }

}

@media(min-width:769px) and (max-width:1100px) {
    .kg-exam-layout {
        grid-template-columns:1fr 280px;
        gap:20px;
    }
    .kg-question-card {
        padding:25px;
    }
    .kg-question-text {
        font-size:20px;
    }
    .kg-question-palette {
        grid-template-columns:repeat(8,1fr);
        gap:6px;
    }
    .kg-question-number {
        border-radius:8px;
        font-size:12px;
    }

}

@media (min-width:700px) and (max-width:768px) {
    .kg-question-palette {
        grid-template-columns:repeat(8,1fr);
        gap:6px;
    }
    .kg-question-number {
        border-radius:8px;
        font-size:12px;
    }
    .kg-exam-sidebar {
        width:100%;
    }
    .kg-exam-layout {
        grid-template-columns:1fr 260px;
        gap:15px;
    }

}

@media(min-width:1101px) and (max-width:1400px) {
    .kg-exam-layout {
        grid-template-columns:1fr 290px;
    }
    .kg-exam-system {
        width:94%;
    }

}

.kg-answer-progress {
    display:flex;
    align-items:center;
    justify-content:center;
    gap:12px;
    padding:18px;
    border-radius:18px;
    background:var(--kg-card);
    backdrop-filter:blur(18px);
    border:1px solid var(--kg-border);
    box-shadow:0 20px 45px rgba(0,0,0,.35);
}

.kg-answer-progress i {
    color:#22c55e;
    font-size:18px;
}

.kg-answer-progress span {
    font-size:20px;
    font-weight:700;
    color:#fff;
}

.kg-header-stats {
    display:flex;
    gap:15px;
}

@media(max-width:768px) {
    .kg-modal {
        width:calc(100% - 30px);
        max-width:380px;
        padding:30px 22px;
        border-radius:24px;
    }
    .kg-modal-icon {
        width:70px;
        height:70px;
        font-size:30px;
        margin-bottom:20px;
    }
    .kg-modal h2 {
        font-size:23px;
    }
    .kg-modal p {
        font-size:15px;
        line-height:1.6;
    }
    .kg-modal-buttons {
        display:flex;
        flex-direction:column;
        gap:0 !important;
        margin-top:15px;
    }
    .kg-modal-buttons .kg-modal-btn {
        width:100%;
        height:45px !important;
        min-height:45px;
        font-size:16px !important;
        font-weight:700;
        border-radius:18px;
        margin:0 !important;
    }
    .kg-modal-buttons .kg-modal-btn + .kg-modal-btn {
        margin-top:8px !important;
    }

}

@media (max-width:768px) {
    .kg-result-screen {
        padding:15px;
        align-items:center;
    }
    .kg-result-card {
        width:100%;
        max-width:380px;
        padding:20px 18px;
        border-radius:20px;
    }
    .kg-result-icon {
        width:60px;
        height:60px;
        font-size:26px;
        margin-bottom:12px;
    }
    .kg-result-header {
        margin-bottom:18px;
    }
    .kg-result-header h2 {
        font-size:21px;
        margin-bottom:4px;
    }
    .kg-result-header p {
        font-size:13px;
    }
    .kg-result-score {
        margin:16px 0;
    }
    .kg-result-score span {
        font-size:13px;
    }
    .kg-result-score h1 {
        font-size:50px;
        margin:8px 0;
    }
    .kg-result-status {
        padding:8px 16px;
        font-size:12px;
    }
    .kg-result-grid {
        gap:10px;
        margin:20px 0;
    }
    .kg-result-item {
        padding:10px;
        border-radius:16px;
    }
    .kg-result-item h3 {
        font-size:28px;
        margin-bottom:4px;
    }
    .kg-result-item span {
        font-size:13px;
    }
    .kg-result-meta {
        margin-top:14px;
        margin-bottom:18px;
    }
    .kg-result-meta-item {
        padding:8px 12px;
        font-size:12px;
    }
    .kg-result-buttons {
        display:flex;
        flex-direction:column;
        gap:10px;
        width:100%;
    }
    .kg-result-buttons .kg-modal-btn {
        width:100%;
        height:48px;
        min-height:48px;
        padding:0 20px;
        font-size:15px;
        font-weight:600;
        border-radius:14px;
    }
    .kg-result-buttons .kg-review-btn, .kg-result-buttons .kg-restart-btn {
        display:flex;
        align-items:center;
        justify-content:center;
    }
    .kg-modal-btn-i {
        padding-right:5px;
    }

}

@media (min-width:1100px) {
    .kg-exam-system {
        padding:16px 0;
    }
    .kg-exam-layout {
        gap:22px;
    }
    .kg-question-card {
        padding:20px;
    }
    .kg-question-header {
        margin-bottom:8px;
    }
    .kg-question-text {
        font-size:20px;
        line-height:1.5;
        margin-top:31px !important;
        margin-bottom:31px !important;
    }
    .kg-options {
        gap:6px;
    }
    .kg-option {
        padding:6px 16px;
        min-height:50px;
        border-radius:16px;
        align-items:center;
    }
    .kg-option-letter {
        width:34px;
        height:34px;
        font-size:13px;
    }
    .kg-option-text {
        font-size:15px;
        line-height:1.4;
    }
    .kg-question-footer {
        margin-top:14px;
    }
    .kg-nav-btn, .kg-clear-btn {
        padding:14px 24px;
        font-size:14px;
    }
    .kg-sidebar-card {
        padding:14px 16px;
    }
    .kg-sidebar-card h3 {
        margin-bottom:12px;
        font-size:16px;
    }
    .kg-exam-header {
        gap:15px;
        margin-bottom:18px;
    }
    .kg-exam-back {
        padding:10px 16px;
        border-radius:14px;
        font-size:14px;
        white-space:nowrap;
    }
    .kg-exam-title h1 {
        font-size:24px;
        margin-bottom:4px;
    }
    .kg-exam-title p {
        font-size:14px;
    }
    .kg-exam-timer, .kg-answer-progress {
        min-width:140px;
        padding:10px 14px;
        border-radius:14px;
    }
    .kg-exam-timer span {
        font-size:22px;
    }
    .kg-result-card {
        width:min(660px,92%);
        padding:28px;
        border-radius:24px;
    }
    .kg-result-icon {
        width:75px;
        height:75px;
        font-size:32px;
        margin-bottom:18px;
    }
    .kg-result-header {
        margin-bottom:22px;
    }
    .kg-result-header h2 {
        font-size:26px;
    }
    .kg-result-header p {
        font-size:14px;
    }
    .kg-result-score {
        margin:24px 0;
    }
    .kg-result-score h1 {
        font-size:64px;
        margin:10px 0;
    }
    .kg-result-score span {
        font-size:14px;
    }
    .kg-result-status {
        padding:8px 18px;
        font-size:13px;
    }
    .kg-result-meta {
        margin:18px 0 26px;
        gap:12px;
    }
    .kg-result-meta-item {
        padding:10px 14px;
        font-size:13px;
    }
    .kg-result-grid {
        gap:14px;
        margin:26px 0;
    }
    .kg-result-item {
        padding:18px;
        border-radius:18px;
    }
    .kg-result-item h3 {
        font-size:34px;
        margin-bottom:6px;
    }
    .kg-result-item span {
        font-size:14px;
    }
    .kg-result-buttons {
        gap:12px;
        margin-top:20px;
    }
    .kg-result-buttons .kg-modal-btn {
        height:50px;
        font-size:15px;
        border-radius:14px;
    }

}

.kg-exam-back {
    border:none;
    cursor:pointer;
    font-family:inherit;
}

.kg-exam-timer.warning {
    border-color:#f59e0b;
    box-shadow:
 0 0 25px rgba(245,158,11,.35);
}

.kg-exam-timer.danger {
    border-color:#ef4444;
    color:#ef4444;
    animation:timerDanger 1s infinite;
    box-shadow:
 0 0 30px rgba(239,68,68,.45);
}

@keyframes timerDanger {
    0%,100% {
        transform:scale(1);
    }
    50% {
        transform:scale(1.05);
    }

}

.palette-title {
    grid-column:1 / -1;
    width:100%;
    color:#76a8ff;
    font-size:14px;
    font-weight:600;
    margin:12px 0 5px;
}

.kg-exam-start-screen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background:
 radial-gradient(
 circle at 50% 0%,
 rgba(45, 165, 255, 0.12),
 transparent 45%
 ),
 radial-gradient(
 circle at 10% 90%,
 rgba(79, 140, 255, 0.08),
 transparent 35%
 ),
 #080d16;
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
    transition:
 opacity 0.35s ease,
 visibility 0.35s ease;
}

.kg-exam-start-screen.hide {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.kg-exam-start-card {
    width: 100%;
    max-width: 620px;
    padding: 42px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 28px;
    background:
 linear-gradient(
 145deg,
 rgba(255, 255, 255, 0.065),
 rgba(255, 255, 255, 0.025)
 );
    box-shadow:
 0 30px 80px rgba(0, 0, 0, 0.45),
 0 0 80px rgba(45, 165, 255, 0.06);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

.kg-exam-start-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 22px;
    border-radius: 18px;
    background:
 linear-gradient(
 135deg,
 rgba(79, 140, 255, 0.18),
 rgba(45, 165, 255, 0.08)
 );
    border: 1px solid rgba(79, 140, 255, 0.20);
    box-shadow:
 0 0 35px rgba(45, 165, 255, 0.12);
    color: #4f8cff;
    font-size: 25px;
}

.kg-exam-start-badge {
    display: block;
    width: fit-content;
    margin: 0 auto 14px;
    padding: 7px 13px;
    border-radius: 999px;
    background: rgba(79, 140, 255, 0.09);
    border: 1px solid rgba(79, 140, 255, 0.16);
    color: #6da5ff;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.2px;
}

.kg-exam-start-card h1 {
    margin: 0;
    color: #ffffff;
    font-size: 27px;
    line-height: 1.3;
    font-weight: 600;
    text-align: center;
}

.kg-exam-start-description {
    max-width: 500px;
    margin: 14px auto 32px;
    color: rgba(255, 255, 255, 0.55);
    font-size: 14px;
    line-height: 1.7;
    text-align: center;
}

.kg-exam-start-form {
    width: 100%;
}

.kg-exam-start-form > label, .kg-mode-title {
    display: block;
    margin-bottom: 9px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
    font-weight: 500;
}

.kg-input-wrapper {
    position: relative;
    margin-bottom: 27px;
}

.kg-input-wrapper i {
    position: absolute;
    left: 17px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.38);
    font-size: 15px;
    pointer-events: none;
}

.kg-input-wrapper input {
    width: 100%;
    height: 54px;
    box-sizing: border-box;
    padding: 0 18px 0 46px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 14px;
    outline: none;
    background: rgba(255, 255, 255, 0.045);
    color: #ffffff;
    font-family: inherit;
    font-size: 14px;
    transition:
 border-color 0.2s ease,
 background 0.2s ease,
 box-shadow 0.2s ease;
}

.kg-input-wrapper input::placeholder {
    color: rgba(255, 255, 255, 0.30);
}

.kg-input-wrapper input:focus {
    border-color: rgba(79, 140, 255, 0.55);
    background: rgba(79, 140, 255, 0.045);
    box-shadow:
 0 0 0 4px rgba(79, 140, 255, 0.08);
}

.kg-mode-title {
    margin-bottom: 11px;
}

.kg-mode-options {
    display: flex;
    flex-direction: column;
    gap: 11px;
    margin-bottom: 22px;
}

.kg-mode-option {
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: 78px;
    padding: 14px 17px;
    border: 1px solid rgba(255, 255, 255, 0.075);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.025);
    cursor: pointer;
    transition:
 border-color 0.2s ease,
 background 0.2s ease,
 transform 0.2s ease,
 box-shadow 0.2s ease;
}

.kg-mode-option:hover {
    border-color: rgba(79, 140, 255, 0.25);
    background: rgba(79, 140, 255, 0.045);
    transform: translateY(-1px);
}

.kg-mode-option.active {
    border-color: rgba(79, 140, 255, 0.48);
    background:
 linear-gradient(
 135deg,
 rgba(79, 140, 255, 0.10),
 rgba(45, 165, 255, 0.035)
 );
    box-shadow:
 inset 0 0 25px rgba(79, 140, 255, 0.035);
}

.kg-mode-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.kg-mode-icon {
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.48);
    font-size: 17px;
    transition:
 background 0.2s ease,
 color 0.2s ease;
}

.kg-mode-option.active .kg-mode-icon {
    background: rgba(79, 140, 255, 0.14);
    color: #5e9aff;
}

.kg-mode-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    padding-right: 25px;
}

.kg-mode-content strong {
    color: rgba(255, 255, 255, 0.92);
    font-size: 14px;
    font-weight: 600;
}

.kg-mode-content span {
    color: rgba(255, 255, 255, 0.45);
    font-size: 12px;
    line-height: 1.5;
}

.kg-mode-check {
    position: absolute;
    right: 17px;
    color: rgba(255, 255, 255, 0.12);
    font-size: 18px;
    transition:
 color 0.2s ease,
 transform 0.2s ease;
}

.kg-mode-option.active .kg-mode-check {
    color: #4f8cff;
    transform: scale(1.05);
}

.kg-exam-start-error {
    display: none;
    margin-top: 12px;
    margin-bottom: 12px;
    padding: 11px 13px;
    border-radius: 11px;
    border: 1px solid rgba(255, 80, 80, 0.20);
    background: rgba(255, 80, 80, 0.07);
    color: #ff8b8b;
    font-size: 12px;
    line-height: 1.5;
}

.kg-exam-start-error.show {
    display: block;
}

.kg-exam-start-btn {
    width: 100%;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 0;
    border-radius: 15px;
    background:
 linear-gradient(
 135deg,
 #4f8cff,
 #2da5ff
 );
    color: #ffffff;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow:
 0 12px 30px rgba(45, 165, 255, 0.18);
    transition:
 transform 0.2s ease,
 box-shadow 0.2s ease,
 opacity 0.2s ease;
}

.kg-exam-start-btn:hover {
    transform: translateY(-2px);
    box-shadow:
 0 16px 35px rgba(45, 165, 255, 0.25);
}

.kg-exam-start-btn:active {
    transform: translateY(0);
}

.kg-exam-start-btn:disabled {
    opacity: 0.65;
    cursor: wait;
    transform: none;
}

.kg-exam-start-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
    margin-top: 24px;
}

.kg-exam-start-info div {
    display: flex;
    align-items: center;
    gap: 7px;
    color: rgba(255, 255, 255, 0.38);
    font-size: 12px;
}

.kg-exam-start-info i {
    color: rgba(79, 140, 255, 0.65);
    font-size: 13px;
}

@media (max-width: 700px) {
    .kg-exam-start-screen {
        padding: 20px 14px;
    }
    .kg-exam-start-card {
        padding: 30px 22px;
        border-radius: 23px;
    }
    .kg-exam-start-card h1 {
        font-size: 22px;
    }
    .kg-exam-start-description {
        font-size: 13px;
    }

}

@media (max-width: 450px) {
    .kg-exam-start-card {
        padding: 25px 17px;
    }
    .kg-exam-start-icon {
        width: 56px;
        height: 56px;
        margin-bottom: 18px;
    }
    .kg-exam-start-card h1 {
        font-size: 19px;
    }
    .kg-mode-option {
        padding: 12px;
    }
    .kg-mode-icon {
        flex-basis: 40px;
        width: 40px;
        height: 40px;
    }
    .kg-mode-content span {
        font-size: 11px;
    }

}

.kg-question-number.review-correct {
    background: rgba(34, 197, 94, 0.14);
    border-color: rgba(34, 197, 94, 0.35);
    color: #4ade80;
}

.kg-question-number.review-wrong {
    background: rgba(239, 68, 68, 0.14);
    border-color: rgba(239, 68, 68, 0.35);
    color: #f87171;
}

.kg-question-number.review-empty {
    background: rgba(245, 158, 11, 0.14);
    border-color: rgba(245, 158, 11, 0.35);
    color: #fbbf24;
}

.kg-question-number.review-correct:hover {
    background: rgba(34, 197, 94, 0.22);
}

.kg-question-number.review-wrong:hover {
    background: rgba(239, 68, 68, 0.22);
}

.kg-question-number.review-empty {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
    color: rgba(255, 255, 255, 0.75);
}

.kg-question-number.active {
    background: #4f8cff;
    border-color: #4f8cff;
    color: #ffffff;
}

.kg-learning-duration {
    margin-top: 24px;
    margin-bottom: 22px;
    animation: kgDurationFadeIn 0.25s ease;
}

@keyframes kgDurationFadeIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }

}

.kg-duration-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 12px;
}

.kg-duration-option {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 72px;
    padding: 12px 42px 12px 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.035);
    cursor: pointer;
    transition:
 background 0.2s ease,
 border-color 0.2s ease,
 transform 0.2s ease,
 box-shadow 0.2s ease;
}

.kg-duration-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.kg-duration-option:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color:
 rgba(79, 140, 255, 0.35);
    transform: translateY(-1px);
}

.kg-duration-option.active {
    background:
 rgba(79, 140, 255, 0.09);
    border-color:
 rgba(79, 140, 255, 0.55);
    box-shadow:
 0 0 0 1px rgba(79, 140, 255, 0.08),
 0 8px 25px rgba(79, 140, 255, 0.08);
}

.kg-duration-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.kg-duration-content strong {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
    color: #ffffff;
}

.kg-duration-content span {
    font-size: 11px;
    line-height: 1.4;
    color:
 rgba(255, 255, 255, 0.48);
}

.kg-duration-check {
    position: absolute;
    top: 50%;
    right: 14px;
    transform: translateY(-50%);
    font-size: 17px;
    color:
 rgba(255, 255, 255, 0.18);
    transition:
 color 0.2s ease,
 transform 0.2s ease;
}

.kg-duration-option.active .kg-duration-check {
    color: #4f8cff;
    transform:
 translateY(-50%) scale(1.05);
}

.kg-duration-badge {
    position: absolute;
    top: 8px;
    right: 38px;
    padding: 3px 7px;
    border-radius: 6px;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.2px;
    color: #8ab4ff;
    background:
 rgba(79, 140, 255, 0.12);
    border:
 1px solid rgba(79, 140, 255, 0.18);
}

.kg-duration-content strong i {
    font-size: 13px;
    color: #4f8cff;
}

@media (max-width: 600px) {
    .kg-duration-options {
        grid-template-columns: 1fr;
    }
    .kg-duration-option {
        min-height: 68px;
    }

}

.kg-question-number.correct {
    background: #22c55e;
    color: #fff;
    border-color: #22c55e;
}

.kg-question-number.wrong {
    background: #ef4444;
    color: #fff;
    border-color: #ef4444;
}

.kg-exam-type {
    margin-top: 24px;
    margin-bottom: 22px;
    animation: kgExamTypeFadeIn 0.25s ease;
}

@keyframes kgExamTypeFadeIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }

}

.kg-selection-title {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.kg-selection-title span {
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
}

.kg-selection-title small {
    font-size: 11px;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.48);
}

.kg-exam-type-options {
    display: grid;
    grid-template-columns:
 repeat(2, 1fr);
    gap: 10px;
    margin-top: 12px;
}

.kg-exam-type-option {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 78px;
    padding:
 12px
 42px
 12px
 14px;
    border:
 1px solid
 rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    background:
 rgba(255, 255, 255, 0.035);
    cursor: pointer;
    transition:
 background 0.2s ease,
 border-color 0.2s ease,
 transform 0.2s ease,
 box-shadow 0.2s ease;
}

.kg-exam-type-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.kg-exam-type-option:hover {
    background:
 rgba(255, 255, 255, 0.06);
    border-color:
 rgba(79, 140, 255, 0.35);
    transform:
 translateY(-1px);
}

.kg-exam-type-option.active {
    background:
 rgba(79, 140, 255, 0.09);
    border-color:
 rgba(79, 140, 255, 0.55);
    box-shadow:
 0 0 0 1px
 rgba(79, 140, 255, 0.08),
 0 8px 25px
 rgba(79, 140, 255, 0.08);
}

.kg-exam-type-icon {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
    background:
 rgba(79, 140, 255, 0.10);
    color:
 #4f8cff;
    font-size: 16px;
}

.kg-exam-type-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.kg-exam-type-content strong {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
    color: #ffffff;
}

.kg-exam-type-content span {
    font-size: 11px;
    line-height: 1.4;
    color:
 rgba(255, 255, 255, 0.48);
}

.kg-exam-type-check {
    position: absolute;
    top: 50%;
    right: 14px;
    transform:
 translateY(-50%);
    font-size: 17px;
    color:
 rgba(255, 255, 255, 0.18);
    transition:
 color 0.2s ease,
 transform 0.2s ease;
}

.kg-exam-type-option.active .kg-exam-type-check {
    color:
 #4f8cff;
    transform:
 translateY(-50%)
 scale(1.05);
}

@media (max-width: 600px) {
    .kg-exam-type-options {
        grid-template-columns:
 1fr;
    }
    .kg-exam-type-option {
        min-height: 70px;
    }

}

.mode-padding {
    margin-bottom: 10px;
}

.kg-exam-start-modal {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-y: auto;
}

.kg-exam-start-card {
    width: 100%;
    max-width: 620px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    margin: auto;
}

.kg-exam-start-card::-webkit-scrollbar {
    width: 5px;
}

.kg-exam-start-card::-webkit-scrollbar-track {
    background: transparent;
}

.kg-exam-start-card::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
}

.kg-exam-notice {
    display:flex;
    align-items:center;
    gap:14px;
    width:100%;
    padding:12px 16px;
    border-radius:18px;
    overflow:hidden;
    position:relative;
    background:
 linear-gradient(
 120deg,
 #07152f,
 #123b7a,
 #2563eb,
 #7c3aed,
 #0ea5e9,
 #07152f
 );
    background-size:400% 400%;
    animation:
 noticeGradient 10s ease infinite;
    border:1px solid rgba(255,255,255,.18);
    box-shadow:
 0 15px 45px rgba(0,0,0,.45),
 inset 0 1px 0 rgba(255,255,255,.18);
    backdrop-filter:blur(12px);
}

@keyframes noticeGradient {
    0% {
        background-position:0% 50%;
    }
    50% {
        background-position:100% 50%;
    }
    100% {
        background-position:0% 50%;
    }

}

.kg-exam-notice::before {
    content:"";
    position:absolute;
    top:0;
    left:-60%;
    width:45%;
    height:100%;
    background:
 linear-gradient(
 90deg,
 transparent,
 rgba(255,255,255,.35),
 transparent
 );
    transform:skewX(-25deg);
    animation:
 noticeLight 5s infinite;
}

@keyframes noticeLight {
    0% {
        left:-60%;
    }
    40% {
        left:130%;
    }
    100% {
        left:130%;
    }

}

.kg-notice-icon {
    width:42px;
    height:42px;
    flex-shrink:0;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    color:#fff;
    background:
 rgba(255,255,255,.18);
    border:
 1px solid rgba(255,255,255,.25);
    box-shadow:
 0 0 25px rgba(255,255,255,.35);
    animation:
 noticePulse 2.5s infinite;
}

@keyframes noticePulse {
    0%,100% {
        transform:scale(1);
    }
    50% {
        transform:scale(1.08);
    }

}

.kg-notice-track {
    flex:1;
    overflow:hidden;
    white-space:nowrap;
}

.kg-notice-text {
    display:inline-block;
    padding-left:100%;
    animation:
 noticeMove 18s linear infinite;
    color:#fff;
    font-size:13px;
    font-weight:600;
    letter-spacing:.2px;
    text-shadow:
 0 3px 15px rgba(0,0,0,.45);
}

@keyframes noticeMove {
    from {
        transform:translateX(0);
    }
    to {
        transform:translateX(-100%);
    }

}

.kg-notice-btn {
    flex-shrink:0;
    display:flex;
    align-items:center;
    gap:7px;
    padding:9px 16px;
    border-radius:14px;
    color:#fff;
    text-decoration:none;
    font-size:12px;
    font-weight:700;
    background:
 rgba(255,255,255,.15);
    border:
 1px solid rgba(255,255,255,.25);
    backdrop-filter:blur(10px);
    transition:.3s;
}

.kg-notice-btn:hover {
    background:
 rgba(255,255,255,.28);
    transform:translateY(-2px);
}

.kg-exam-header {
    display:flex;
    flex-wrap:wrap;
}

.kg-exam-title {
    flex:1;
}

.kg-exam-notice {
    flex-basis:100%;
    width:100%;
    order:3;
}

@media(max-width:600px) {
    .kg-exam-notice {
        padding:10px 12px;
        gap:10px;
    }
    .kg-notice-icon {
        width:34px;
        height:34px;
    }
    .kg-notice-text {
        font-size:12px;
    }
    .kg-notice-btn {
        padding:7px 10px;
        font-size:11px;
    }

}

.kg-learning-badge {
    display:none;
    align-items:center;
    gap:8px;
    width:max-content;
    margin-bottom:10px;
    padding:7px 14px;
    border-radius:999px;
    color:#8ab4ff;
    background:
 linear-gradient(
 135deg,
 rgba(79,140,255,.16),
 rgba(124,77,255,.16)
 );
    border:
 1px solid rgba(79,140,255,.30);
    box-shadow:
 0 0 25px rgba(79,140,255,.14);
    font-size:11px;
    font-weight:700;
    letter-spacing:.7px;
    animation:
 learningBadgePulse 3s ease-in-out infinite;
}

.kg-learning-badge.show {
    display:flex;
}

.kg-learning-badge i {
    font-size:14px;
}

@keyframes learningBadgePulse {
    0%,100% {
        box-shadow:
 0 0 18px rgba(79,140,255,.10);
    }
    50% {
        box-shadow:
 0 0 28px rgba(79,140,255,.25);
    }

}