/* static/css/exam.css */
:root {
    --neon-cyan: #00ffff;
    --neon-magenta: #ff00ff;
    --neon-blue: #00bfff;
    --bg-dark: #0a0a12;
    --card-bg: rgba(20, 20, 35, 0.8);
    --border-glow: 0 0 10px rgba(0, 255, 255, 0.5);
}

[data-theme="light"] {
    --neon-cyan: #0ea5e9;
    --neon-magenta: #d946ef;
    --neon-blue: #2563eb;
    --bg-dark: #f3f6ff;
    --card-bg: rgba(255, 255, 255, 0.86);
    --border-glow: 0 0 14px rgba(14, 165, 233, 0.22);
}

body {
    background-color: var(--bg-dark);
    color: #e0e0e0;
    font-family: 'Inter', 'Roboto', sans-serif;
    margin: 0;
    overflow: hidden; /* Single screen dashboard */
}

.exam-dashboard {
    display: flex;
    flex-direction: column;
    height: 100dvh;
    padding: 20px;
    box-sizing: border-box;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--neon-cyan);
    padding-bottom: 15px;
    box-shadow: 0 5px 15px rgba(0, 255, 255, 0.1);
}

.title {
    font-size: 1.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--neon-cyan);
    text-shadow: var(--border-glow);
}

.timer {
    font-family: 'Courier New', monospace;
    font-size: 2rem;
    color: var(--neon-magenta);
    background: rgba(255, 0, 255, 0.1);
    padding: 5px 20px;
    border: 1px solid var(--neon-magenta);
    border-radius: 5px;
}

.main-content {
    flex: 1;
    display: flex;
    gap: 20px;
    margin-top: 20px;
    overflow: hidden;
}

.sidebar {
    width: 250px;
    background: var(--card-bg);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 10px;
    padding: 15px;
    overflow-y: auto;
}

.question-area {
    flex: 1;
    background: var(--card-bg);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 10px;
    padding: 40px;
    overflow-y: auto;
    position: relative;
    backdrop-filter: blur(10px);
}

.q-nav-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.q-nav-btn {
    width: 35px;
    height: 35px;
    border-radius: 5px;
    border: 1px solid var(--neon-cyan);
    background: transparent;
    color: var(--neon-cyan);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

.q-nav-btn.active {
    background: var(--neon-cyan);
    color: black;
    box-shadow: 0 0 15px var(--neon-cyan);
}

.q-nav-btn.answered {
    border-color: var(--neon-magenta);
    color: var(--neon-magenta);
}

.mcq-option {
    margin: 15px 0;
    padding: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mcq-option:hover {
    background: rgba(0, 255, 255, 0.05);
    border-color: var(--neon-cyan);
}

.mcq-option.selected {
    background: rgba(0, 255, 255, 0.1);
    border-color: var(--neon-cyan);
    box-shadow: inset 0 0 10px rgba(0, 255, 255, 0.2);
}

textarea {
    width: 100%;
    height: 200px;
    background: rgba(0, 0, 0, 0.3);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 15px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1.1rem;
    resize: none;
}

textarea:focus {
    border-color: var(--neon-cyan);
    outline: none;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.neon-btn {
    padding: 12px 30px;
    background: transparent;
    color: var(--neon-cyan);
    border: 1px solid var(--neon-cyan);
    text-transform: uppercase;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 5px;
}

.neon-btn:hover {
    background: var(--neon-cyan);
    color: black;
    box-shadow: 0 0 20px var(--neon-cyan);
}

.submit-btn {
    color: var(--neon-magenta);
    border-color: var(--neon-magenta);
}

.submit-btn:hover {
    background: var(--neon-magenta);
    color: white;
    box-shadow: 0 0 20px var(--neon-magenta);
}

/* Animations */
@keyframes glowPulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

.glow-line {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    animation: glowPulse 2s infinite ease-in-out;
}

@media (max-width: 768px) {
    html,
    body {
        width: 100%;
        overflow-x: hidden;
    }

    .exam-dashboard {
        padding: 12px;
        overflow: hidden;
    }

    header {
        flex-wrap: wrap;
        gap: 10px;
        align-items: flex-start;
    }

    .logo-area {
        min-width: 0;
        flex: 1 1 180px;
    }

    .title {
        font-size: clamp(1rem, 5vw, 1.35rem);
        letter-spacing: 1px;
        overflow-wrap: anywhere;
    }

    .timer {
        font-size: 1.15rem;
        padding: 6px 12px;
    }

    .user-controls {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .user-controls .neon-btn {
        width: 100%;
        margin: 0 !important;
        padding: 10px 12px;
        white-space: normal;
    }

    .main-content {
        flex-direction: column;
        overflow-y: auto;
        overflow-x: hidden;
        gap: 12px;
        margin-top: 12px;
        min-height: 0;
    }

    .sidebar {
        width: 100%;
        max-height: 165px;
        flex-shrink: 0;
    }

    .question-area {
        width: 100% !important;
        max-width: 100vw !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 16px !important;
        min-height: 0;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }

    .q-content {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        word-break: break-word !important;
        overflow-wrap: anywhere !important;
    }

    .mcq-option {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
        word-break: break-word !important;
        white-space: normal !important;
    }

    .options-container {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .q-nav-grid {
        grid-template-columns: repeat(10, minmax(28px, 1fr));
        gap: 6px;
    }

    .q-nav-btn {
        width: 100%;
        min-width: 0;
        height: 30px;
    }

    textarea {
        min-height: 160px;
        height: 160px;
    }

    .exam-dashboard > nav {
        flex-wrap: wrap;
        gap: 10px;
        padding: 12px 56px 12px 12px !important;
        border-radius: 14px;
    }

    .exam-dashboard > nav > a,
    .exam-dashboard > nav > div {
        min-width: 0;
    }

    .exam-dashboard > nav > div:first-of-type {
        flex: 1 1 180px;
        font-size: clamp(1rem, 5vw, 1.25rem) !important;
    }

    .exam-dashboard > nav .ml-auto {
        margin-left: 0 !important;
        width: 100%;
    }

    .exam-dashboard > nav .neon-btn {
        width: 100%;
        white-space: normal;
    }

    .stats-grid {
        grid-template-columns: 1fr !important;
    }

    .main-content > div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
}