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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: #f2df0c;
            min-height: 100vh;
            padding: 20px;
            color: #333;
        }

        .main-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .header {
            text-align: center;
            margin-bottom: 40px;
            padding: 20px;
            background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
            border-radius: 20px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .quiz-title {
            color: #2c3e50;
            font-size: 2.5em;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .timer-section {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .current-time {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1em;
            color: #555;
        }

        .clock-icon {
            width: 24px;
            height: 24px;
            fill: #555;
        }

        .circular-timer {
            position: relative;
            width: 120px;
            height: 120px;
        }

        .circular-timer svg {
            transform: rotate(-90deg);
        }

        .timer-background {
            fill: none;
            stroke: #e0e0e0;
            stroke-width: 8;
        }

        .timer-progress {
            fill: none;
            stroke: #4caf50;
            stroke-width: 8;
            stroke-linecap: round;
            transition: stroke-dashoffset 1s linear;
        }

        .timer-progress.warning {
            stroke: #ff9800;
        }

        .timer-progress.danger {
            stroke: #f44336;
            animation: blink 1s infinite;
        }

        @keyframes blink {
            0%, 50% { opacity: 1; }
            51%, 100% { opacity: 0.3; }
        }

        .timer-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 1.5em;
            font-weight: 600;
            color: #333;
        }

        .timer-text.danger {
            animation: blink 1s infinite;
            color: #f44336;
        }

        .instructions-btn {
            background: #6c757d;
            color: white;
            border: none;
            padding: 10px 25px;
            border-radius: 25px;
            font-size: 1em;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
		.answer-btn {
			background: #6c757d;
            color: white;
            border: none;
            padding: 10px 25px;
            border-radius: 25px;
            font-size: 1em;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
		}
		
		.answer-btn:hover {
            background: #5a6268;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(108, 117, 125, 0.3);
        }
		
        .instructions-btn:hover {
            background: #5a6268;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(108, 117, 125, 0.3);
        }

        .questions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }

        @media (min-width: 768px) {
            .questions-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1200px) {
            .questions-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .question-tile {
            background: #f8f9fa;
            border-radius: 15px;
            padding: 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            transition: all 0.3s;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .question-tile:nth-child(4n+1) {
            background: #e8f5e9;
        }

        .question-tile:nth-child(4n+2) {
            background: #e3f2fd;
        }

        .question-tile:nth-child(4n+3) {
            background: #fce4ec;
        }

        .question-tile:nth-child(4n) {
            background: #fff3e0;
        }

        .question-tile:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }

        .question-number {
            display: inline-block;
            background: rgba(0, 0, 0, 0.1);
            color: #333;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.85em;
            margin-bottom: 15px;
            font-weight: 600;
        }

        .question-text {
            color: #2c3e50;
            font-size: 1em;
            line-height: 1.5;
            margin-bottom: 15px;
            flex-grow: 1;
        }

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

        .option {
            background: white;
            border: 2px solid transparent;
            padding: 10px 15px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9em;
        }

        .option:hover {
            border-color: #2196f3;
            background: #f0f7ff;
        }

        .option input[type="radio"] {
            width: 16px;
            height: 16px;
            accent-color: #2196f3;
        }

        .option label {
            cursor: pointer;
            color: #555;
            flex: 1;
        }

        .submit-section {
            text-align: center;
            margin-top: 40px;
        }

        .submit-button {
            background: linear-gradient(135deg, #2196f3, #1976d2);
            color: white;
            border: none;
            padding: 15px 50px;
            border-radius: 30px;
            font-size: 1.1em;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
        }

        .submit-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(33, 150, 243, 0.4);
        }

        /* Instructions Drawer */
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            display: none;
            z-index: 999;
        }

        .drawer {
            position: fixed;
            right: -400px;
            top: 0;
            width: 400px;
            height: 100%;
            background: white;
            box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
            transition: right 0.3s ease;
            z-index: 1000;
            overflow-y: auto;
        }

        .drawer.open {
            right: 0;
        }

        .drawer-header {
            background: #f8f9fa;
            padding: 20px;
            border-bottom: 1px solid #e9ecef;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .drawer-title {
            font-size: 1.5em;
            color: #333;
            font-weight: 600;
        }

        .close-drawer {
            background: none;
            border: none;
            font-size: 1.5em;
            cursor: pointer;
            color: #666;
            padding: 5px;
        }

        .close-drawer:hover {
            color: #333;
        }

        .drawer-content {
            padding: 30px;
        }

        .instruction-item {
            margin-bottom: 20px;
            padding-bottom: 20px;
            border-bottom: 1px solid #f0f0f0;
        }

        .instruction-item:last-child {
            border-bottom: none;
        }

        .instruction-title {
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .instruction-text {
            color: #666;
            line-height: 1.6;
        }

        .loading {
            text-align: center;
            padding: 60px;
            color: #666;
        }

        .loading-spinner {
            border: 3px solid #f3f4f6;
            border-top: 3px solid #2196f3;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            animation: spin 1s linear infinite;
            margin: 0 auto 20px;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        @media (max-width: 600px) {
            .drawer {
                width: 100%;
                right: -100%;
            }

            .questions-grid {
                grid-template-columns: 1fr;
            }

            .timer-section {
                gap: 20px;
            }

            .circular-timer {
                width: 100px;
                height: 100px;
            }

            .timer-text {
                font-size: 1.2em;
            }
        }