:root {
            --primary-color: #3498db;
            --secondary-color: #2c3e50;
            --bg-color: #f4f7f6;
            --card-bg: #fff;
            --border-color: #e0e6e8;
            --start-color: #5bc0de;
            --start-hover-color: #46b8da;
            --orange-color: #ffa500;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: var(--bg-color);
            margin: 0;
            padding-top: 100px;
            color: var(--secondary-color);
            display: inline;
            justify-content: center;
            align-items: flex-start;
            min-height: 100vh;
        }
        .container {
            max-width: 900px;
            margin: auto;
            background: var(--card-bg);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            padding-top: 5px;
        }
        h1, h2 {
            text-align: center;
            color: var(--primary-color);
        }
        h2 {
            border-bottom: 2px solid var(--primary-color);
            padding-bottom: 10px;
            margin-bottom: 5px;
        }
        .total-score-info {
            text-align: center;
            font-size: 1.1em;
            font-weight: bold;
            color: var(--secondary-color);
            margin-bottom: 20px;
        }
        .total-score-info span {
            color: var(--primary-color);
        }
        .input-group {
            margin-bottom: 20px;
        }
        .input-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
        }
        .input-group input {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 16px;
            box-sizing: border-box;
            transition: border-color 0.3s;
            background: #fdfdfd;
        }
        .input-group input.read-only {
            background-color: #e9ecef;
            cursor: not-allowed;
        }
        .input-group input:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .task-list {
            list-style: none;
            padding: 0;
        }
        .task-item {
            display: flex;
            align-items: center;
            background: #f8f9fa;
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 10px;
            border: 1px solid var(--border-color);
        }
        .task-item:hover {
            background: #f1f3f5;
        }
        .task-item input {
            transform: scale(1.5);
            margin-right: 15px;
            accent-color: var(--primary-color);
        }
        .task-item label {
            flex-grow: 1;
            cursor: pointer;
            font-size: 16px;
        }
        .task-item .points {
            font-weight: bold;
            color: var(--primary-color);
            font-size: 14px;
        }
        .submit-btn {
            width: 100%;
            padding: 15px;
            background: var(--primary-color);
            color: #fff;
            border: none;
            border-radius: 6px;
            font-size: 18px;
            font-weight: bold;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .submit-btn:hover {
            background: #2980b9;
        }
        .submit-btn:disabled {
            background: #bdc3c7;
            cursor: not-allowed;
        }
        .fixed-stopwatch-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: #2c3e50;
            z-index: 50;
            padding: 5px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .stopwatch-container {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 15px;
            width: 100%;
            max-width: 900px;
            margin: auto;
            padding: 0 10px;
        }
        .timer-widget {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 15px;
            background: #fff;
            border-radius: 50px;
            padding: 8px 20px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            font-weight: bold;
        }
        #start_btn, .test-env-btn {
            background: var(--start-color);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 8px 15px;
            font-size: 0.9em;
            font-weight: bold;
            cursor: pointer;
            transition: background-color 0.3s;
            text-decoration: none;
            display: inline-flex; /* Usa flexbox para alinhar o ícone e o texto */
            align-items: center; /* Centraliza o ícone e o texto verticalmente */
            white-space: nowrap; /* Evita quebra de linha no texto */
        }
        #start_btn:hover, .test-env-btn:hover {
            background: var(--start-hover-color);
        }
        /* Espaço entre o ícone e o texto */
        .test-env-btn i {
            margin-right: 8px;
        }
        .timer-progress-bar {
            width: 150px;
            height: 10px;
            background-color: #e0e0e0;
            border-radius: 5px;
            overflow: hidden;
        }
        .progress-fill {
            height: 100%;
            width: 0;
            background: linear-gradient(90deg, #5bc0de, #3498db);
            transition: width 0.3s linear;
            border-radius: 5px;
        }
        .timer-visuals {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .progress-circle-container {
            position: relative;
            width: 45px;
            height: 45px;
        }
        .progress-circle {
            position: absolute;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background: conic-gradient(var(--orange-color) 0%, #ccc 0);
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .timer-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 0.8em;
            font-weight: bold;
            color: var(--secondary-color);
        }
        .tab-ribbon {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            display: flex;
            justify-content: center;
            background-color: var(--card-bg);
            border-bottom: 2px solid var(--border-color);
            z-index: 40;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        .tab-button {
            flex: 1;
            max-width: 464px;
            padding: 15px;
            text-align: center;
            font-size: 1.2em;
            font-weight: bold;
            color: #7f8c8d;
            cursor: pointer;
            transition: color 0.3s, border-bottom 0.3s;
            border-bottom: 2px solid transparent;
            padding: 8px;
        }
        .tab-button:hover {
            color: var(--primary-color);
        }
        .tab-button.active {
            color: var(--primary-color);
            border-bottom: 2px solid #3498db;
            background: #3498db1f;
        }
        .tab-content-item {
            padding: 10px;
            min-height: 400px;
        }
        .instructions-column table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 10px;
            font-size: 0.9em;
        }
        .instructions-column th, .instructions-column td {
            border: 1px solid var(--border-color);
            padding: 8px;
            text-align: left;
        }
        .instructions-column th {
            background-color: #3498db;
            font-weight: bold;
        }
        .instructions-column ul {
            padding-left: 20px;
        }
        @media (max-width: 992px) {
            body {
                padding-top: 200px;
            }
            .fixed-stopwatch-container, .tab-ribbon {
                padding: 10px;
            }
        }
        .admin-icon-link {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 100;
            text-decoration: none;
            font-size: 24px;
            color: var(--secondary-color);
            background-color: transparent;
            border: none;
            cursor: pointer;
            transition: transform 0.3s ease-in-out;
        }
        .admin-icon-link:hover {
            transform: rotate(30deg);
        }
        #scrollToTopBtn {
            display: none;
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 99;
            font-size: 24px;
            font-weight: bold;
            border: none;
            outline: none;
            background-color: var(--primary-color);
            color: white;
            cursor: pointer;
            padding: 10px 20px;
            border-radius: 24%;
            opacity: 0;
            transition: opacity 0.3s;
        }
        #scrollToTopBtn:hover {
            background-color: #2980b9;
        }
        .fa-laptop-code:before {
    content: "\f5fc";
    color: #b77b0d;
}

.instructions-column {
    padding-top: 30px;
}