:root {
    --bg-color: #f4f4f9;
    --text-color: #333;
    --primary: #007bff;
    --danger: #dc3545;
    --modal-bg: rgba(0, 0, 0, 0.5);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 10px;
}

/* Der Dev-Mode Indikator */
body.dev-mode {
    border: 2px solid red !important;
    min-height: 100vh;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 10px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.god-mode-btn {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
}

.add-todo {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.add-todo input[type="text"] {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    cursor: pointer;
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    background-color: var(--primary);
    color: white;
}

/* Modal Styling */
.hidden {
    display: none !important;
}

.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--modal-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    padding: 20px;
    border-radius: 10px;
    width: 95%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content h2 {
    color: var(--danger);
    margin-bottom: 10px;
}

.conflict-grid {
    display: flex;
    gap: 15px;
    margin: 15px 0;
}

.conflict-col {
    flex: 1;
}

textarea {
    width: 100%;
    height: 100px;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    resize: vertical;
    font-family: monospace;
}

.merge-section {
    margin-bottom: 20px;
}

.merge-section textarea {
    height: 120px;
    border-color: var(--primary);
    border-width: 2px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.btn-primary { background: var(--primary); }
.btn-secondary { background: #6c757d; }