:root {
    --primary-color: #0066cc;
    --secondary-color: #6c757d;
    --background-color: #ffffff;
    --border-color: #dee2e6;
    --text-color: #212529;
    --text-secondary: #6c757d;
    --muted-background: #f8f9fa;
    --input-background: #ffffff;
    --input-text: #212529;
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --background-color: #202124;
    --border-color: #4a4d52;
    --text-color: #f1f3f4;
    --text-secondary: #bdc1c6;
    --muted-background: #35363a;
    --input-background: #303134;
    --input-text: #f1f3f4;
}

@media (prefers-color-scheme: dark) {
    :root[data-theme="system"] {
        color-scheme: dark;
        --background-color: #202124;
        --border-color: #4a4d52;
        --text-color: #f1f3f4;
        --text-secondary: #bdc1c6;
        --muted-background: #35363a;
        --input-background: #303134;
        --input-text: #f1f3f4;
    }
}

select option {
    background-color: var(--input-background);
    color: var(--input-text);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 14px;
    color: var(--text-color);
    min-width: 320px;
}

.popup-container {
    padding: 16px;
    background-color: var(--background-color);
}

.popup-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.popup-header h2 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.domain-display {
    font-size: 12px;
    color: var(--text-secondary);
    font-family: monospace;
    background-color: var(--muted-background);
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
}

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

.toggle-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.toggle-slider {
    position: relative;
    width: 40px;
    height: 20px;
    background-color: #ccc;
    border-radius: 20px;
    transition: background-color 0.3s;
}

.toggle-slider:after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: white;
    top: 2px;
    left: 2px;
    transition: transform 0.3s;
}

input[type="checkbox"] {
    display: none;
}

input[type="checkbox"]:checked + .toggle-slider {
    background-color: var(--primary-color);
}

input[type="checkbox"]:checked + .toggle-slider:after {
    transform: translateX(20px);
}

.toggle-text {
    font-weight: 600;
}

.proxy-form {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

label {
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
    font-size: 12px;
}

input, select {
    width: 100%;
    padding: 8px 10px;
    background-color: var(--input-background);
    color: var(--input-text);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
}

input::placeholder {
    color: var(--text-secondary);
}

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    padding: 2px;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 24px;
}

.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    flex: 1;
}

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

.btn-primary:hover {
    background-color: #0052a3;
}

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

.btn-secondary:hover {
    background-color: #5a6268;
}

.info-message {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 12px;
}

.info-message p {
    margin-bottom: 8px;
}

.popup-footer {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.hint {
    font-size: 11px;
    color: var(--text-secondary);
}

.hidden {
    display: none !important;
}