:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --border-color: #e9ecef;
    --text-color: #2c3e50;
    --feature-bg: #f1f3f5;
}

[data-theme="dark"] {
    --primary-color: #ecf0f1;
    --secondary-color: #2c3e50;
    --accent-color: #3498db;
    --bg-color: #1a1a1a;
    --card-bg: #2d2d2d;
    --border-color: #404040;
    --text-color: #ecf0f1;
    --feature-bg: #333333;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: background-color 0.3s, color 0.3s;
}

h1 {
    color: var(--primary-color);
    margin-bottom: 30px;
}

.comparison-container {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    overflow: hidden;
    width: 100%;
    max-width: 900px;
    transition: background-color 0.3s;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 16px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    width: 33.33%;
}

th:last-child, td:last-child {
    border-right: none;
}

th {
    background-color: var(--secondary-color);
    color: white;
    font-weight: 600;
    font-size: 1.1em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* The first column (Features) gets a different style */
td:first-child {
    background-color: var(--feature-bg);
    font-weight: bold;
    text-align: left;
    color: var(--text-color);
}

/* Editable cells */
.editable {
    transition: background-color 0.2s;
    cursor: text;
}

.editable:hover, .editable:focus {
    background-color: var(--accent-color);
    color: white;
    outline: none;
    border-radius: 4px;
}

.house-header {
    font-size: 1.2em;
    font-weight: bold;
}

.instructions {
    margin-top: 20px;
    font-size: 0.9em;
    color: #7f8c8d;
    text-align: center;
}

/* Dark Mode Toggle */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    position: fixed;
    top: 20px;
    right: 20px;
}

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

.theme-switch input {
    display: none;
}

.slider {
    background-color: #ccc;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    background-color: #fff;
    bottom: 4px;
    content: "";
    height: 26px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 26px;
    border-radius: 50%;
}

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

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

/* Partnership Form Styles */
.form-container {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    padding: 30px;
    width: 100%;
    max-width: 600px;
    margin-top: 40px;
    transition: background-color 0.3s;
}

.form-container h2 {
    margin-top: 0;
    color: var(--primary-color);
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.3s, background-color 0.3s;
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

.submit-btn:hover {
    filter: brightness(1.1);
}

.submit-btn:active {
    transform: scale(0.98);
}