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

body {
    font-family: 'Microsoft YaHei', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #0a0a0a;
    min-height: 100vh;
    color: #ffffff;
    overflow-x: hidden;
    letter-spacing: 0.02em;
}

.bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,0.01) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.01) 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
    z-index: 0;
    will-change: transform;
}

/* ========== Navbar ========== */
.navbar {
    background: rgba(10, 10, 10, 0.98);
    padding: 18px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10001;
}

.logo { display: flex; align-items: center; gap: 15px; }

.logo-img {
    width: 42px; height: 42px;
    border-radius: 10px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.25rem; font-weight: 600;
    color: #ffffff; letter-spacing: 3px;
    text-transform: uppercase;
}

.logo-divider {
    width: 1px; height: 20px;
    background: rgba(255,255,255,0.2);
}

.logo-sub-cn {
    font-size: 0.7rem; color: rgba(255,255,255,0.45);
    letter-spacing: 2px;
}

.logo-sub {
    font-size: 0.75rem; color: rgba(255,255,255,0.5);
    letter-spacing: 1px;
}

.user-info-bar {
    display: flex; align-items: center; gap: 25px;
    font-size: 0.9rem; color: rgba(255,255,255,0.6);
}

.timer-display {
    background: rgba(255,255,255,0.05);
    padding: 10px 20px; border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    font-size: 1.1rem; font-weight: 500;
    letter-spacing: 2px;
}

.timer-display.warning {
    background: rgba(255,200,100,0.1);
    border-color: rgba(255,200,100,0.3);
    color: #ffc864;
}

.timer-display.danger {
    background: rgba(255,100,100,0.1);
    border-color: rgba(255,100,100,0.3);
    color: #ff6464;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ========== Container ========== */
.container {
    position: relative; z-index: 1;
    max-width: 1000px; margin: 0 auto;
    padding: 120px 30px 60px;
}

.page-title {
    text-align: center; margin-bottom: 50px;
}

.page-title h1 {
    font-size: 2.8rem; font-weight: 300;
    margin-bottom: 15px; color: #ffffff;
    letter-spacing: 8px; text-transform: uppercase;
}

.page-title .highlight {
    display: inline-block;
    background: linear-gradient(135deg, #ffffff 0%, #aaaaaa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-title p {
    color: rgba(255,255,255,0.4); font-size: 0.95rem;
    letter-spacing: 4px; text-transform: uppercase;
}

/* ========== Card ========== */
.card {
    background: rgba(15,15,15,0.95);
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,0.06);
    padding: 50px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.card-title {
    font-size: 1.3rem; margin-bottom: 35px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex; align-items: center; gap: 15px;
    font-weight: 400; letter-spacing: 2px;
}

.card-title .icon {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, #ffffff 0%, #666666 100%);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
}

/* ========== Form ========== */
.form-group { margin-bottom: 28px; }

.form-label {
    display: block; margin-bottom: 12px;
    font-weight: 500; color: rgba(255,255,255,0.9);
    font-size: 0.9rem; letter-spacing: 1px;
}

.form-label .required {
    color: rgba(255,255,255,0.3); margin-left: 6px;
}

.form-input {
    width: 100%; padding: 16px 20px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px; color: #ffffff;
    font-size: 1rem; transition: border-color 0.2s ease, background 0.2s ease;
    letter-spacing: 0.5px;
}

.form-input:focus {
    outline: none; border-color: rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.05);
    box-shadow: 0 0 30px rgba(255,255,255,0.05);
}

.form-input::placeholder { color: rgba(255,255,255,0.25); }
.form-input.error { border-color: rgba(255,100,100,0.5); }

.form-hint {
    font-size: 0.8rem; color: rgba(255,255,255,0.35);
    margin-top: 8px; letter-spacing: 0.5px;
}

.form-error {
    color: #ff6464; font-size: 0.8rem;
    margin-top: 8px; display: none; letter-spacing: 0.5px;
}

.form-error.show { display: block; }

/* Verification code */
.verification-group { display: flex; gap: 12px; }
.verification-group .form-input { flex: 1; }

.btn-send-code {
    padding: 16px 28px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 12px; color: #ffffff;
    font-weight: 500; cursor: pointer;
    white-space: nowrap; transition: all 0.3s ease;
    font-size: 0.9rem; letter-spacing: 1px;
}

.btn-send-code:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.25);
}

.btn-send-code:disabled { opacity: 0.4; cursor: not-allowed; }

.verified-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(76,175,80,0.1);
    border: 1px solid rgba(76,175,80,0.2);
    color: #4CAF50;
    padding: 10px 18px; border-radius: 8px;
    font-size: 0.85rem; margin-top: 12px; letter-spacing: 1px;
}

/* Exam type selection */
.exam-type-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 20px; margin-top: 25px;
}

.exam-type-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px; padding: 30px;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
    text-align: center; position: relative;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.exam-type-card:hover {
    border-color: rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.04);
    transform: translateY(-4px);
}

.exam-type-card.selected {
    border-color: rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.06);
}

.exam-type-card .icon, .exam-type-card h3, .exam-type-card p { pointer-events: none; }
.exam-type-card .icon { font-size: 2.5rem; margin-bottom: 18px; opacity: 0.8; }
.exam-type-card h3 { font-size: 1.05rem; margin-bottom: 10px; color: #ffffff; font-weight: 500; letter-spacing: 2px; }
.exam-type-card p { font-size: 0.8rem; color: rgba(255,255,255,0.4); letter-spacing: 0.5px; }

.exam-type-card .radio-indicator {
    position: absolute; top: 18px; right: 18px;
    width: 22px; height: 22px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%; transition: all 0.3s ease;
    pointer-events: none;
}

.exam-type-card.selected .radio-indicator {
    border-color: rgba(255,255,255,0.6);
    background: rgba(255,255,255,0.1);
}

.exam-type-card.selected .radio-indicator::after {
    content: '';
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    width: 8px; height: 8px;
    background: #ffffff; border-radius: 50%;
}

/* ========== Buttons ========== */
.btn {
    padding: 16px 45px; border: none;
    border-radius: 12px; font-size: 1rem;
    font-weight: 500; cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
    display: inline-flex; align-items: center; justify-content: center;
    gap: 10px; letter-spacing: 2px; text-transform: uppercase;
}

.btn-primary { background: #ffffff; color: #0a0a0a; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 15px 40px rgba(255,255,255,0.15); }
.btn-primary:disabled { opacity: 0.3; cursor: not-allowed; transform: none; }

.btn-secondary {
    background: transparent; color: rgba(255,255,255,0.7);
    border: 1px solid rgba(255,255,255,0.15);
}
.btn-secondary:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.25); color: #ffffff; }

.btn-danger { background: rgba(255,100,100,0.15); color: #ff6464; border: 1px solid rgba(255,100,100,0.2); }
.btn-success { background: rgba(255,200,100,0.15); color: #ffc864; border: 1px solid rgba(255,200,100,0.2); }

.btn-group {
    display: flex; gap: 15px;
    justify-content: center; margin-top: 35px; flex-wrap: wrap;
}

/* ========== Notice ========== */
.notice-box {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px; padding: 25px 30px; margin: 25px 0;
}

.notice-box h4 {
    color: rgba(255,255,255,0.9); margin-bottom: 20px;
    display: flex; align-items: center; gap: 10px;
    font-weight: 500; letter-spacing: 1px; font-size: 0.9rem;
}

.notice-box ul { list-style: none; padding-left: 0; }
.notice-box li {
    padding: 10px 0; padding-left: 22px;
    position: relative; color: rgba(255,255,255,0.55);
    font-size: 0.9rem; letter-spacing: 0.3px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.notice-box li:last-child { border-bottom: none; }

.notice-box li::before {
    content: '';
    position: absolute; left: 0; top: 50%;
    transform: translateY(-50%);
    width: 4px; height: 4px;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
}

/* ========== Exam Interface ========== */
.exam-container { display: none; }
.exam-container.show { display: block; }

.exam-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 30px; padding-bottom: 25px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    flex-wrap: wrap; gap: 20px;
}

.exam-info { display: flex; gap: 35px; flex-wrap: wrap; }

.exam-info-item { display: flex; align-items: center; gap: 10px; }
.exam-info-item .label { color: rgba(255,255,255,0.35); font-size: 0.85rem; letter-spacing: 1px; }
.exam-info-item .value { font-weight: 500; color: rgba(255,255,255,0.9); }

/* Answer Sheet */
.answer-sheet {
    background: rgba(255,255,255,0.02);
    border-radius: 16px; padding: 28px; margin-bottom: 30px;
}

.answer-sheet-title {
    font-size: 0.95rem; margin-bottom: 22px;
    display: flex; align-items: center; gap: 12px;
    color: rgba(255,255,255,0.6); letter-spacing: 1px;
}

.question-nav { display: flex; flex-wrap: wrap; gap: 10px; }

.question-nav-item {
    width: 42px; height: 42px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 10px; font-size: 0.85rem;
    cursor: pointer; transition: all 0.2s ease;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.02);
    color: rgba(255,255,255,0.5);
}

.question-nav-item.type-a { background: rgba(0,245,255,0.08); }
.question-nav-item.type-b { background: rgba(0,255,100,0.08); }
.question-nav-item.type-c { background: rgba(255,165,0,0.08); }

.question-nav-item.current {
    border-color: rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.1);
    color: #ffffff;
    box-shadow: 0 0 15px rgba(255,255,255,0.1);
}

.question-nav-item.answered {
    background: rgba(255,255,255,0.12);
    color: #ffffff;
    border-color: rgba(255,255,255,0.15);
}

.nav-legend {
    display: flex; gap: 25px; margin-top: 18px;
    font-size: 0.8rem; flex-wrap: wrap;
    color: rgba(255,255,255,0.4);
}

.nav-legend-item { display: flex; align-items: center; gap: 8px; }
.nav-legend-item .dot { width: 10px; height: 10px; border-radius: 4px; }

/* Question Container */
.question-container {
    background: rgba(255,255,255,0.02);
    border-radius: 20px; padding: 40px;
}

.question-header {
    display: flex; justify-content: space-between; align-items: flex-start;
    margin-bottom: 28px;
}

.question-type-tag {
    padding: 8px 16px; border-radius: 8px;
    font-size: 0.8rem; font-weight: 500; letter-spacing: 1px;
    background: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.7);
    border: 1px solid rgba(255,255,255,0.08);
}

.question-type-tag.choice { border-color: rgba(0,245,255,0.2); color: #00f5ff; }
.question-type-tag.judge { border-color: rgba(0,255,100,0.2); color: #00ff64; }
.question-type-tag.scenario { border-color: rgba(255,165,0,0.2); color: #ffa500; }

.question-score {
    background: rgba(255,255,255,0.05);
    color: rgba(255,255,255,0.6);
    padding: 8px 16px; border-radius: 8px;
    font-size: 0.8rem;
    border: 1px solid rgba(255,255,255,0.06);
}

.question-content {
    font-size: 1.1rem; line-height: 1.9;
    margin-bottom: 32px; color: rgba(255,255,255,0.9);
}

.question-options { display: flex; flex-direction: column; gap: 14px; }

.option-item {
    display: flex; align-items: flex-start; gap: 16px;
    padding: 20px 22px;
    background: rgba(255,255,255,0.02);
    border-radius: 14px; cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.06);
}

.option-item:hover { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.12); }
.option-item.selected { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); }

.option-letter {
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.06);
    border-radius: 8px; font-weight: 600;
    color: rgba(255,255,255,0.7); flex-shrink: 0; font-size: 0.9rem;
}

.option-item.selected .option-letter {
    background: rgba(255,255,255,0.15);
    color: #ffffff;
}

.option-text { flex: 1; line-height: 1.7; color: rgba(255,255,255,0.8); }

/* Judge options */
.judge-options { display: flex; gap: 20px; }
.judge-option {
    flex: 1; padding: 28px; text-align: center;
    background: rgba(255,255,255,0.02);
    border-radius: 14px; cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.06);
}
.judge-option:hover { background: rgba(255,255,255,0.04); }
.judge-option.selected { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); }
.judge-option .icon { font-size: 2.2rem; margin-bottom: 12px; opacity: 0.7; }
.judge-option .text { font-size: 1.1rem; font-weight: 500; color: rgba(255,255,255,0.8); }

/* Scenario textarea */
.scenario-textarea {
    width: 100%; min-height: 260px; padding: 22px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px; color: #ffffff;
    font-size: 1rem; line-height: 1.9;
    resize: vertical; font-family: inherit;
}

.scenario-textarea:focus { outline: none; border-color: rgba(255,255,255,0.2); }
.scenario-textarea::placeholder { color: rgba(255,255,255,0.25); }

.char-count {
    text-align: right; margin-top: 12px;
    font-size: 0.8rem; color: rgba(255,255,255,0.35);
}

/* Navigation buttons */
.question-navigation {
    display: flex; justify-content: space-between;
    margin-top: 35px; padding-top: 28px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

/* Progress bar */
.progress-bar {
    background: rgba(255,255,255,0.05);
    border-radius: 10px; height: 6px;
    margin-top: 18px; overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0.4), rgba(255,255,255,0.6));
    border-radius: 10px; transition: width 0.3s ease;
}

/* ========== Scorecard ========== */
.scorecard { display: none; }
.scorecard.show { display: block; }

.scorecard-header {
    text-align: center; padding: 50px;
    background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
    border-radius: 24px; margin-bottom: 35px;
    border: 1px solid rgba(255,255,255,0.05);
}

.scorecard-header h2 {
    font-size: 1.8rem; margin-bottom: 12px;
    font-weight: 300; color: rgba(255,255,255,0.9); letter-spacing: 4px;
}

.loading-spinner {
    width: 50px; height: 50px;
    border: 4px solid rgba(255,255,255,0.1);
    border-top-color: #4CAF50;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.score-value {
    font-size: 5.5rem; font-weight: 200;
    color: #ffffff; margin: 25px 0; letter-spacing: -2px;
}

.score-status {
    font-size: 1.2rem; padding: 12px 35px;
    border-radius: 30px; display: inline-block;
    letter-spacing: 3px; text-transform: uppercase; font-weight: 400;
}

.score-status.pass {
    background: rgba(76,175,80,0.15);
    color: #4CAF50;
    border: 1px solid rgba(76,175,80,0.3);
}

.score-status.fail {
    background: rgba(255,100,100,0.1);
    color: #ff6464;
    border: 1px solid rgba(255,100,100,0.15);
}

.score-details {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 18px; margin: 35px 0;
}

.score-detail-item {
    background: rgba(255,255,255,0.02);
    padding: 28px; border-radius: 16px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
}

.score-detail-item .icon { font-size: 1.6rem; margin-bottom: 12px; opacity: 0.6; }
.score-detail-item .label { color: rgba(255,255,255,0.4); margin-bottom: 10px; font-size: 0.8rem; letter-spacing: 1px; }
.score-detail-item .value { font-size: 1.6rem; font-weight: 400; color: rgba(255,255,255,0.9); }

/* Answer detail table */
.answer-detail-section { margin-top: 35px; }
.answer-detail-section h3 {
    margin-bottom: 22px; padding-bottom: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-weight: 400; color: rgba(255,255,255,0.7);
    letter-spacing: 2px; font-size: 1rem;
}

.detail-table {
    width: 100%; border-collapse: collapse;
    background: rgba(255,255,255,0.01);
    border-radius: 14px; overflow: hidden;
}

.detail-table th {
    background: rgba(255,255,255,0.03);
    padding: 16px 18px; text-align: left;
    font-weight: 500; color: rgba(255,255,255,0.6);
    font-size: 0.8rem; letter-spacing: 1px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.detail-table td {
    padding: 16px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    color: rgba(255,255,255,0.7);
}

.detail-table tr:last-child td { border-bottom: none; }
.answer-correct { color: rgba(255,255,255,0.9); }
.answer-wrong { color: rgba(255,100,100,0.8); }

/* Scenario answer display */
.scenario-answer-section { margin-top: 35px; }
.scenario-answer-item {
    background: rgba(255,255,255,0.02);
    border-radius: 16px; padding: 28px;
    margin-bottom: 20px;
    border: 1px solid rgba(255,255,255,0.05);
}

.scenario-answer-item h4 { color: rgba(255,255,255,0.8); margin-bottom: 18px; font-weight: 400; letter-spacing: 1px; }
.scenario-answer-item .question {
    background: rgba(255,255,255,0.02);
    padding: 18px; border-radius: 10px;
    margin-bottom: 18px;
    border-left: 3px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.6); font-size: 0.95rem; line-height: 1.7;
}

.scenario-answer-item .answer {
    background: rgba(255,255,255,0.03);
    padding: 18px; border-radius: 10px;
    border-left: 3px solid rgba(255,255,255,0.1);
    min-height: 100px; line-height: 1.8;
    color: rgba(255,255,255,0.75);
}

.scenario-answer-item .answer.empty { color: rgba(255,255,255,0.25); font-style: italic; }

/* Email send section */
.email-send-section {
    background: rgba(255,255,255,0.02);
    border: 1px dashed rgba(255,255,255,0.12);
    border-radius: 18px; padding: 35px; margin-top: 35px; text-align: center;
}

.email-send-section h3 { color: rgba(255,255,255,0.85); margin-bottom: 15px; font-weight: 400; letter-spacing: 2px; }
.email-send-section p { color: rgba(255,255,255,0.4); margin-bottom: 22px; font-size: 0.9rem; }

.email-display {
    background: rgba(255,255,255,0.03);
    padding: 16px 28px; border-radius: 10px;
    display: inline-block; margin-bottom: 22px;
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 1rem; color: rgba(255,255,255,0.7);
    border: 1px solid rgba(255,255,255,0.06);
}

.email-actions { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }

/* ========== Modals ========== */
.modal-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.9);
    display: none; align-items: center; justify-content: center;
    z-index: 2000;
}

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

.modal {
    background: rgba(20,20,20,0.98);
    border-radius: 24px; padding: 45px;
    max-width: 480px; width: 90%; text-align: center;
    border: 1px solid rgba(255,255,255,0.08);
}

.modal h3 { font-size: 1.3rem; margin-bottom: 20px; font-weight: 400; letter-spacing: 2px; }
.modal p { color: rgba(255,255,255,0.5); margin-bottom: 28px; font-size: 0.95rem; }
.modal-buttons { display: flex; gap: 15px; justify-content: center; }

.hidden { display: none !important; }

/* ========== Anti-cheat warning ========== */
.cheat-warning {
    position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
    background: rgba(255, 100, 100, 0.95);
    color: white; padding: 15px 30px; border-radius: 12px;
    z-index: 3000; font-size: 0.95rem; letter-spacing: 1px;
    box-shadow: 0 10px 30px rgba(255,100,100,0.3);
    animation: slideDown 0.3s ease;
    display: none;
}

.cheat-warning.show { display: block; }

@keyframes slideDown {
    from { transform: translateX(-50%) translateY(-100%); opacity: 0; }
    to { transform: translateX(-50%) translateY(0); opacity: 1; }
}

.tab-switch-counter {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 4px 12px; background: rgba(255,100,100,0.15);
    border-radius: 20px; font-size: 0.8rem; color: #ff6464;
    margin-left: 10px;
}

/* ========== Auto-save indicator ========== */
.auto-save-indicator {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 0.75rem; color: rgba(255,255,255,0.4);
    margin-left: 15px; opacity: 0; transition: opacity 0.3s;
}

.auto-save-indicator.show { opacity: 1; }

/* ========== Recruitment closed notice ========== */
.recruitment-closed-notice {
    display: flex; align-items: center; justify-content: center;
    gap: 10px; padding: 15px 25px;
    background: rgba(255,100,100,0.1);
    border: 1px solid rgba(255,100,100,0.3);
    border-radius: 8px; margin-bottom: 20px;
}

.recruitment-closed-notice .notice-icon { font-size: 1.2rem; }
.recruitment-closed-notice .notice-text { font-size: 1.1rem; font-weight: bold; color: #ff6464; letter-spacing: 2px; }

.force-refresh-btn:hover { background: rgba(255,255,255,0.2) !important; border-color: rgba(255,255,255,0.4) !important; color: rgba(255,255,255,0.9) !important; }

/* ========== Admin Login ========== */
.admin-login-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(10,10,10,0.95);
    z-index: 10001;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: all 0.4s ease;
}

.admin-login-overlay.show { opacity: 1; visibility: visible; }

.admin-login-card {
    background: rgba(20,20,20,0.98);
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,0.1);
    padding: 50px; width: 100%; max-width: 420px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}

.admin-login-card h2 { text-align: center; font-size: 1.5rem; font-weight: 400; margin-bottom: 10px; letter-spacing: 4px; }
.admin-login-card .subtitle { text-align: center; color: rgba(255,255,255,0.4); font-size: 0.85rem; margin-bottom: 35px; letter-spacing: 1px; }

.admin-form-group { margin-bottom: 20px; }
.admin-form-group label { display: block; font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-bottom: 10px; letter-spacing: 1px; }
.admin-form-group input {
    width: 100%; padding: 15px 20px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px; color: #ffffff;
    font-size: 1rem; letter-spacing: 1px; transition: all 0.3s ease;
}
.admin-form-group input:focus { outline: none; border-color: rgba(255,255,255,0.3); background: rgba(255,255,255,0.05); }
.admin-login-error { color: #ff6464; font-size: 0.85rem; margin-top: 10px; text-align: center; min-height: 20px; }

.admin-btn {
    width: 100%; padding: 15px; border: none;
    border-radius: 12px; font-size: 1rem;
    letter-spacing: 2px; cursor: pointer;
    transition: all 0.3s ease; margin-top: 10px;
}

.admin-btn-primary { background: linear-gradient(135deg, #ffffff 0%, #cccccc 100%); color: #0a0a0a; }
.admin-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(255,255,255,0.15); }
.admin-btn-secondary { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.15); color: rgba(255,255,255,0.7); }
.admin-btn-secondary:hover { background: rgba(255,255,255,0.1); color: #ffffff; }

/* ========== Admin Panel ========== */
.admin-panel-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(10,10,10,0.98);
    z-index: 10002;
    display: flex; flex-direction: column;
    opacity: 0; visibility: hidden; transition: all 0.4s ease;
    overflow-y: auto;
}

.admin-panel-overlay.show { opacity: 1; visibility: visible; }

.admin-panel-header {
    background: rgba(15,15,15,0.98);
    padding: 20px 50px;
    display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    position: sticky; top: 0; z-index: 10;
}

.admin-panel-title { display: flex; align-items: center; gap: 15px; }
.admin-panel-title h2 { font-size: 1.2rem; font-weight: 400; letter-spacing: 3px; }
.admin-panel-title .badge { background: rgba(255,255,255,0.1); padding: 4px 12px; border-radius: 20px; font-size: 0.75rem; color: rgba(255,255,255,0.6); }

.admin-panel-content { flex: 1; padding: 50px; max-width: 800px; margin: 0 auto; width: 100%; }

.admin-panel-card {
    background: rgba(20,20,20,0.8);
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.08);
    padding: 35px; margin-bottom: 30px;
}

.admin-panel-card h3 { font-size: 1.1rem; font-weight: 400; margin-bottom: 25px; padding-bottom: 15px; border-bottom: 1px solid rgba(255,255,255,0.08); letter-spacing: 2px; display: flex; align-items: center; gap: 10px; }

.recruitment-control {
    display: flex; align-items: center; justify-content: space-between;
    padding: 25px; background: rgba(255,255,255,0.02);
    border-radius: 16px; border: 1px solid rgba(255,255,255,0.06);
}

.recruitment-info h4 { font-size: 1rem; font-weight: 400; margin-bottom: 8px; letter-spacing: 1px; }
.recruitment-info p { font-size: 0.85rem; color: rgba(255,255,255,0.4); }

.toggle-switch { position: relative; width: 70px; height: 36px; cursor: pointer; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255,100,100,0.3);
    border-radius: 36px; transition: all 0.4s ease;
    border: 1px solid rgba(255,100,100,0.4);
}

.toggle-slider::before {
    content: ''; position: absolute;
    width: 28px; height: 28px; left: 3px; bottom: 3px;
    background: #ff6464; border-radius: 50%; transition: all 0.4s ease;
}

.toggle-switch input:checked + .toggle-slider { background: rgba(76,175,80,0.3); border-color: rgba(76,175,80,0.4); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(34px); background: #4CAF50; }

.current-status { display: flex; align-items: center; gap: 10px; margin-top: 20px; padding: 15px 20px; background: rgba(255,255,255,0.02); border-radius: 12px; font-size: 0.9rem; }
.current-status .status-dot { width: 10px; height: 10px; border-radius: 50%; }
.current-status.open .status-dot { background: #4CAF50; box-shadow: 0 0 10px rgba(76,175,80,0.5); }
.current-status.closed .status-dot { background: #ff6464; box-shadow: 0 0 10px rgba(255,100,100,0.5); animation: blink 1.5s infinite; }

@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

.admin-logout-btn {
    padding: 10px 25px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 10px; color: rgba(255,255,255,0.7);
    font-size: 0.85rem; letter-spacing: 1px;
    cursor: pointer; transition: all 0.3s ease;
}

.admin-logout-btn:hover { background: rgba(255,100,100,0.15); border-color: rgba(255,100,100,0.3); color: #ff6464; }

.admin-close-btn {
    position: absolute; top: 25px; right: 50px;
    width: 40px; height: 40px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px; color: rgba(255,255,255,0.6);
    font-size: 1.2rem; cursor: pointer;
    transition: all 0.3s ease;
    display: flex; align-items: center; justify-content: center;
}

.admin-close-btn:hover { background: rgba(255,100,100,0.15); border-color: rgba(255,100,100,0.3); color: #ff6464; }

/* Exam records list */
.exam-records-list { max-height: 400px; overflow-y: auto; }
.admin-entry-btn {
    padding: 8px 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px; color: rgba(255,255,255,0.4);
    font-size: 0.75rem; letter-spacing: 1px;
    cursor: pointer; transition: all 0.3s ease;
}
.admin-entry-btn:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); color: rgba(255,255,255,0.7); }
.admin-link-container { text-align: center; margin-top: 25px; }

/* Scorecard modal grading */
#scorecardModal input[type="number"]::-webkit-inner-spin-button,
#scorecardModal input[type="number"]::-webkit-outer-spin-button { opacity: 1; }
#scorecardModal .scenario-answer-text {
    color: rgba(255,255,255,0.9);
    background: rgba(0,0,0,0.3);
    padding: 8px;
    border-radius: 4px;
    white-space: pre-wrap;
    max-height: 120px;
    overflow-y: auto;
    font-size: 0.85rem;
    line-height: 1.5;
}
#scorecardModal table { width: 100%; border-collapse: collapse; }
#scorecardModal td { color: rgba(255,255,255,0.8); font-size: 0.85rem; }
#scorecardModal th { text-align: left; font-weight: 600; color: rgba(255,255,255,0.6); font-size: 0.8rem; }

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .navbar { padding: 15px 25px; }
    .logo-text { display: none; }
    .container { padding: 100px 20px 50px; }
    .card { padding: 30px 25px; }
    .exam-type-grid { grid-template-columns: 1fr; }
    .score-details { grid-template-columns: repeat(2, 1fr); }
    .exam-header { flex-direction: column; gap: 20px; align-items: flex-start; }
    .btn-group { flex-direction: column; }
    .btn { width: 100%; }
    .user-info-bar { gap: 15px; font-size: 0.8rem; }
}

/* Print styles */
@media print {
    .navbar, .btn-group, .modal-overlay, .email-send-section, .bg-pattern { display: none !important; }
    body { background: white; color: black; }
    .card, .question-container, .scorecard-header { background: white; border: 1px solid #ddd; }
}

/* Keyboard shortcuts hint */
.kbd-hint {
    display: inline-block;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 4px; padding: 2px 8px;
    font-family: monospace; font-size: 0.7rem;
    color: rgba(255,255,255,0.4);
    margin: 0 4px;
}