/* TCS CBT Professional Split Layout */
.tcs-exam-container {
    display: flex;
    flex-wrap: nowrap;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    font-family: Arial, sans-serif;
    margin: 10px 0;
}

.tcs-question-panel {
    flex: 2.5;
    background: #ffffff;
    padding: 20px;
    border-right: 1px solid #e2e8f0;
}
.cbt-login-form, .cbt-signup-form { max-width: 400px; margin: 20px auto; padding: 30px; background: #ffffff; border: 1px solid #e0e0e0; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.tcs-sidebar-panel {
    flex: 1;
    background: #f1f5f9;
    padding: 20px;
    min-width: 300px;
}

.tcs-question-box h3 {
    font-size: 16px;
    color: #0f172a;
    margin-bottom: 20px;
    line-height: 1.6;
}

.tcs-options-list label {
    display: block;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    padding: 10px 14px;
    margin-bottom: 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    color: #334155;
}

.tcs-options-list label:hover {
    background: #f8fafc;
    border-color: #94a3b8;
}

.tcs-options-list input {
    margin-right: 10px;
}

.tcs-buttons-bar {
    margin-top: 30px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    border-top: 1px solid #e2e8f0;
    padding-top: 15px;
}

.tcs-btn {
    padding: 9px 14px;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    font-size: 12px;
}

.btn-review { background: #d97706; color: #fff; }
.btn-clear { background: #64748b; color: #fff; }
.btn-save { background: #059669; color: #fff; }
.btn-submit { background: #dc2626; color: #fff; }

.tcs-palette-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
    margin-top: 12px;
    max-height: 250px;
    overflow-y: auto;
}

.palette-btn {
    padding: 8px 4px;
    text-align: center;
    background: #e2e8f0;
    border: 1px solid #cbd5e1;
    border-radius: 3px;
    cursor: pointer;
    font-weight: bold;
    font-size: 12px;
    color: #334155;
}

.palette-btn.answered { background: #10b981; color: #fff; border-color: #059669; }
.palette-btn.current { border: 2px solid #2563eb; }
input[type="text"], input[type="email"], input[type="password"] { width: 100%; padding: 12px; margin: 8px 0 16px 0; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; } button[type="submit"] { width: 100%; background-color: #4CAF50; color: white; padding: 14px; border: none; border-radius: 4px; cursor: pointer; font-size: 16px; } button[type="submit"]:hover { background-color: #45a049; }