:root {
    --primary-color: #2c3e50;
    --secondary-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f1c40f;
    --text-color: #2c3e50;
    --border-color: #bdc3c7;
    --background-color: #ecf0f1;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

h1 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 30px;
    font-size: 2.2em;
}

.flash-message {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
}

.flash-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.flash-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.instructions {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.section-number {
    background-color: var(--secondary-color);
    color: white;
    padding: 4px 12px;
    margin-right: 15px;
    display: inline-block;
    border-radius: 5px;
    font-weight: bold;
}

.name-input {
    background-color: white;
    padding: 20px;
    margin: 20px 0;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 20px;
}

.name-input input {
    flex: 1;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1em;
    transition: border-color 0.3s;
}

.name-input input:focus {
    outline: none;
    border-color: var(--primary-color);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 20px 0;
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

th, td {
    border: 1px solid var(--border-color);
    padding: 12px;
    text-align: left;
}

th {
    background-color: var(--primary-color);
    color: white;
    font-weight: bold;
}

tr:nth-child(even) {
    background-color: #f8f9fa;
}

input[type="number"] {
    width: 80px;
    padding: 8px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1em;
    transition: border-color 0.3s;
}

input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

.quality-check {
    background-color: white;
    padding: 25px;
    margin: 30px 0;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.quality-option {
    background-color: #e8f5e9;
    padding: 15px 20px;
    margin: 10px 0;
    border-radius: 8px;
    transition: background-color 0.3s;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.quality-option:hover {
    background-color: #c8e6c9;
}

.quality-option input[type="radio"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    margin-right: 15px;
    cursor: pointer;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    transition: all 0.2s;
    position: relative;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: middle;
    background-color: white;
}

.quality-option input[type="radio"]:checked {
    border-color: var(--success-color);
    background-color: var(--success-color);
}

.error {
    color: var(--secondary-color);
    display: none;
    margin-top: 15px;
    padding: 10px;
    background-color: #ffebee;
    border-radius: 5px;
    text-align: center;
}

.total-points {
    background-color: var(--secondary-color);
    color: white;
    padding: 12px;
    font-weight: bold;
    text-align: center;
    transition: background-color 0.3s ease;
}

.total-points.correct {
    background-color: var(--success-color);
}

.deadline {
    background-color: var(--secondary-color);
    color: white;
    padding: 15px;
    margin: 20px 0;
    border-radius: 8px;
    text-align: center;
    font-weight: bold;
}

button {
    padding: 12px 24px;
    background-color: var(--success-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    font-weight: bold;
    margin: 10px;
    transition: background-color 0.3s, transform 0.2s;
}

button:hover {
    background-color: #219a52;
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

.email-info {
    text-align: center;
    margin: 20px 0;
    font-size: 1.1em;
    color: var(--primary-color);
}

.buttons-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
}

.points {
    font-weight: bold;
    text-align: center;
}

tfoot {
    background-color: #f8f9fa;
    font-weight: bold;
}

.title-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px 0;
    gap: 10px;
}

.toggle-label {
    color: var(--text-color);
    font-size: 0.9em;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--success-color);
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--success-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Print styles */
@media print {
    .flash-message,
    .buttons-container,
    button {
        display: none !important;
    }

    @page {
        size: A4;
        margin: 1cm;
    }

    body {
        padding: 0;
        font-size: 9pt;
        background-color: white;
        width: 100%;
        margin: 0;
        line-height: 1.3;
    }

    h1 {
        font-size: 14pt;
        margin-bottom: 10px;
        color: var(--primary-color);
    }

    .instructions {
        padding: 10px;
        box-shadow: none;
        border: 1px solid var(--border-color);
        font-size: 8pt;
        margin-bottom: 10px;
        background-color: white;
    }

    .section-number {
        background-color: var(--secondary-color);
        color: white;
        padding: 2px 6px;
        margin-right: 6px;
        font-size: 8pt;
    }

    .name-input {
        padding: 8px;
        margin: 10px 0;
        border: 1px solid var(--border-color);
        background-color: white;
        font-size: 9pt;
    }

    table {
        font-size: 8pt;
        border-collapse: collapse;
        margin: 10px 0;
        width: 100%;
    }

    th, td {
        padding: 4px 6px;
        border: 1px solid var(--border-color);
    }

    input[type="number"] {
        width: 25px;
        height: 25px;
        border: 1px solid var(--border-color);
        background-color: white;
        font-size: 11pt;
        text-align: center;
        -webkit-appearance: none;
        -moz-appearance: textfield;
        appearance: none;
        margin: 0 auto;
        display: block;
    }

    input[type="number"]::-webkit-outer-spin-button,
    input[type="number"]::-webkit-inner-spin-button {
        -webkit-appearance: none;
        margin: 0;
    }

    .quality-check {
        padding: 10px;
        margin: 10px 0;
        font-size: 8pt;
    }

    .quality-option {
        padding: 12px 20px;
        margin: 10px 0;
        background-color: white;
        border: 1px solid var(--border-color);
        display: flex;
        align-items: center;
        page-break-inside: avoid;
    }

    .deadline {
        padding: 6px;
        margin: 10px 0;
        font-size: 8pt;
    }

    .email-info {
        margin: 10px 0;
        font-size: 8pt;
    }

    p {
        margin: 4px 0;
    }

    td.col-rank,
    td.col-points {
        text-align: center;
        width: 35px;
        padding: 8px;
        vertical-align: middle;
    }

    th.col-rank,
    th.col-points {
        text-align: center;
        padding: 8px;
    }

    input[type="number"] {
        box-shadow: inset 0 0 0 1px var(--border-color);
    }

    .quality-option input[type="radio"] {
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
        width: 24px;
        height: 24px;
        border: 2px solid var(--border-color);
        border-radius: 50%;
        margin-right: 15px;
        display: inline-block;
        vertical-align: middle;
        background-color: white;
        position: relative;
        flex-shrink: 0;
    }

    .quality-option input[type="radio"]:checked {
        background-color: white;
    }

    .title-toggle {
        display: none !important;
    }
}

@media screen and (max-width: 768px) {
    body {
        padding: 10px;
    }

    h1 {
        font-size: 1.8em;
        margin-bottom: 20px;
    }

    .instructions {
        padding: 15px;
        font-size: 0.9em;
    }

    .name-input {
        padding: 15px;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .name-input input {
        width: 100%;
    }

    .table-container {
        background-color: var(--background-color);
        border-radius: 10px;
        padding: 10px;
        box-shadow: none;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    table {
        min-width: 650px;
        box-shadow: none;
        margin: 0;
        background-color: transparent;
        font-size: 0.9em;
    }

    th, td {
        padding: 8px 6px;
    }

    input[type="number"] {
        width: 70px;
        padding: 8px;
        text-align: center;
        border: 2px solid var(--primary-color);
        background-color: #f8f9fa;
    }

    .points {
        font-weight: bold;
        color: var(--primary-color);
        font-size: 1.1em;
        background-color: #e8f5e9;
        padding: 8px;
        border-radius: 5px;
        min-width: 40px;
        text-align: center;
        display: block;
    }

    tfoot td:first-child {
        font-weight: bold;
    }

    .total-points {
        min-width: 60px;
        padding: 8px 12px;
        border-radius: 5px;
        text-align: center;
    }

    .quality-check {
        padding: 15px;
        margin-top: 20px;
    }

    .quality-option {
        padding: 12px;
        font-size: 0.9em;
    }

    .buttons-container {
        flex-direction: column;
        gap: 10px;
    }

    button {
        width: 100%;
        margin: 0;
    }

    .deadline {
        font-size: 0.9em;
        padding: 12px;
    }
}