:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #e74c3c;
    --light: #ecf0f1;
    --dark: #34495e;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #c0392b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: var(--dark);
    line-height: 1.6;
}

header {
    background-color: var(--primary);
    color: white;
    padding: 1rem 2rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1rem;
    opacity: 0.9;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    border-bottom: 2px solid var(--light);
    padding-bottom: 0.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

input, select, textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.button-group {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

button {
    cursor: pointer;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--secondary);
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-danger {
    background-color: var(--accent);
    color: white;
}

.btn-danger:hover {
    background-color: var(--danger);
}

.btn-success {
    background-color: var(--success);
    color: white;
}

.btn-success:hover {
    background-color: #219653;
}

.btn-warning {
    background-color: var(--warning);
    color: white;
}

.btn-warning:hover {
    background-color: #d35400;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: var(--primary);
    color: white;
    cursor: pointer;
}

th:hover {
    background-color: var(--dark);
}

tr:hover {
    background-color: rgba(236, 240, 241, 0.5);
}

.actions {
    white-space: nowrap;
    text-align: center;
}

.actions button {
    padding: 0.25rem 0.5rem;
    font-size: 0.85rem;
    margin-right: 0.25rem;
    display: inline-block;
}

.actions button:last-child {
    margin-right: 0;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: bold;
    color: white;
}

.badge-high {
    background-color: var(--danger);
}

.badge-medium {
    background-color: var(--warning);
}

.badge-low {
    background-color: var(--success);
}

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-row > div {
    flex: 1;
}

.rating-select {
    display: flex;
    gap: 0.25rem;
}

.rating-select button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #eee;
    color: var(--dark);
    border: none;
}

.rating-select button.active {
    background-color: var(--secondary);
    color: white;
}

footer {
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
    background-color: var(--primary);
    color: white;
}

footer a {
    color: var(--light);
}

.help-text {
    font-size: 0.85rem;
    color: #777;
    margin-top: 0.25rem;
}

.github-link {
    position: fixed;
    top: 10px;
    right: 10px;
    background-color: var(--dark);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    z-index: 100;
}

.github-link:hover {
    background-color: black;
}

.github-icon {
    width: 24px;
    height: 24px;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .github-link {
        position: static;
        margin-bottom: 1rem;
        justify-content: center;
    }
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    overflow: auto;
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 1.5rem;
    border-radius: 8px;
    width: 70%;
    max-width: 600px;
    animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
    from {opacity: 0; transform: translateY(-50px);}
    to {opacity: 1; transform: translateY(0);}
}

.close {
    float: right;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: var(--accent);
}

.modal h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

table .number-cell {
    text-align: center;
}

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