/* NEET Mock Test UI */
:root {
    --neet-primary: #4F46E5;
    --neet-secondary: #6366F1;
    --neet-success: #10B981;
    --neet-danger: #EF4444;
    --neet-warning: #F59E0B;
    --neet-bg: #0F172A;
    --neet-card-bg: #1E293B;
    --neet-text: #F8FAFC;
    --neet-text-muted: #94A3B8;
    --neet-border: #334155;
    --neet-hover: #2dd4bf;
    --neet-radius: 12px;
}

.neet-container {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--neet-bg);
    color: var(--neet-text);
    border-radius: var(--neet-radius);
    overflow: hidden;
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    line-height: 1.6;
}

.neet-screen {
    padding: 30px;
    animation: neetFadeIn 0.3s ease;
}

@keyframes neetFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.neet-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 15px;
}

.neet-btn-primary { background: var(--neet-primary); color: white; }
.neet-btn-primary:hover { background: var(--neet-hover); transform: translateY(-2px); }
.neet-btn-secondary { background: var(--neet-border); color: white; }
.neet-btn-secondary:hover { background: #475569; }
.neet-btn-warning { background: var(--neet-warning); color: white; }
.neet-btn-danger { background: var(--neet-danger); color: white; }

#neet-start-screen {
    text-align: center;
    padding: 60px 30px;
}
#neet-start-screen h2 {
    font-size: 32px;
    margin-bottom: 15px;
    background: linear-gradient(to right, #60A5FA, #A78BFA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.neet-rules {
    list-style: none;
    padding: 0;
    margin: 30px auto;
    max-width: 400px;
    text-align: left;
    background: var(--neet-card-bg);
    border-radius: var(--neet-radius);
    padding: 20px;
    border: 1px solid var(--neet-border);
}
.neet-rules li {
    margin-bottom: 10px;
    font-size: 16px;
}

.neet-exam-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--neet-border);
    margin-bottom: 20px;
}
.neet-timer {
    font-size: 24px;
    font-weight: bold;
    color: var(--neet-warning);
    background: rgba(245, 158, 11, 0.1);
    padding: 10px 20px;
    border-radius: 8px;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.neet-exam-layout {
    display: flex;
    gap: 30px;
}
.neet-question-area { flex: 1; }
.neet-palette-area {
    width: 300px;
    background: var(--neet-card-bg);
    padding: 20px;
    border-radius: var(--neet-radius);
    border: 1px solid var(--neet-border);
}

.neet-subject-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}
.neet-tab {
    padding: 10px 20px;
    background: var(--neet-card-bg);
    border: 1px solid var(--neet-border);
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s;
    font-weight: 500;
}
.neet-tab.active {
    background: var(--neet-primary);
    border-color: var(--neet-primary);
}

.neet-question-box {
    background: var(--neet-card-bg);
    padding: 30px;
    border-radius: var(--neet-radius);
    border: 1px solid var(--neet-border);
    margin-bottom: 20px;
}
.neet-q-header { margin-bottom: 15px; color: var(--neet-text-muted); font-size: 14px; text-transform: uppercase; letter-spacing: 1px; }
.neet-q-text { font-size: 20px; margin-bottom: 25px; line-height: 1.5; }

.neet-option-label {
    display: flex;
    align-items: center;
    padding: 15px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--neet-border);
    border-radius: 8px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: 0.2s;
}
.neet-option-label:hover { background: rgba(255,255,255,0.1); }
.neet-option-label input { margin-right: 15px; transform: scale(1.2); }
.neet-option-label.selected {
    background: rgba(79, 70, 229, 0.1);
    border-color: var(--neet-primary);
}

.neet-q-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.neet-palette-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-bottom: 20px;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 5px;
}
.neet-palette-btn {
    aspect-ratio: 1;
    border: 1px solid var(--neet-border);
    background: transparent;
    color: var(--neet-text);
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
}
.neet-palette-btn.active { border: 2px solid var(--neet-primary); }
.neet-palette-btn.answered { background: var(--neet-success); color: white; border-color: var(--neet-success); }
.neet-palette-btn.marked { background: var(--neet-warning); color: white; border-color: var(--neet-warning); }
.neet-palette-btn.marked.answered { background: var(--neet-warning); position: relative; }
.neet-palette-btn.marked.answered::after {
    content: ''; position: absolute; bottom: 2px; right: 2px; width: 6px; height: 6px; background: var(--neet-success); border-radius: 50%;
}

.neet-palette-legend { font-size: 12px; color: var(--neet-text-muted); }
.neet-palette-legend > div { display: flex; align-items: center; margin-bottom: 8px; }
.neet-legend-box { width: 12px; height: 12px; border-radius: 3px; border: 1px solid var(--neet-border); margin-right: 10px; }
.neet-legend-box.answered { background: var(--neet-success); border-color: var(--neet-success); }
.neet-legend-box.marked { background: var(--neet-warning); border-color: var(--neet-warning); }

.neet-result-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}
.neet-r-box {
    background: var(--neet-card-bg);
    padding: 20px;
    border-radius: var(--neet-radius);
    text-align: center;
    border: 1px solid var(--neet-border);
}
.neet-r-value { font-size: 32px; font-weight: bold; margin-top: 10px; }
.r-score .neet-r-value { color: var(--neet-primary); }

.neet-loader {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
}
.spinner {
    width: 40px; height: 40px;
    border: 4px solid var(--neet-border);
    border-top: 4px solid var(--neet-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

@media (max-width: 768px) {
    .neet-exam-layout { flex-direction: column; }
    .neet-palette-area { width: 100%; max-height: 250px; }
    .neet-palette-grid { max-height: 150px; }
    .neet-result-summary { grid-template-columns: 1fr; }
}