:root {
    --bg-color: #ffffff;
    --text-color: #000000;
    --card-bg: #ffffff;
    --border-color: #dee2e6;
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --card-bg: #2d2d2d;
    --border-color: #404040;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Ghost Logo */
.ghost-logo {
    width: 40px;
    height: 40px;
}

/* Dark Mode Toggle */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
}

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

.theme-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: #2196F3;
}

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

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

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

.theme-label {
    color: var(--text-color);
}

/* Email List and Content */
.card {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

.list-group-item {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.list-group-item:hover {
    background-color: var(--border-color);
}

.email-item {
    padding: 15px;
    margin-bottom: 5px;
}

.email-header {
    margin-bottom: 10px;
}

.email-meta {
    color: var(--text-color);
    opacity: 0.8;
}

#emailContent {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

#emailContent iframe {
    background-color: var(--card-bg);
}

.form-control {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--border-color);
}

.form-control:focus {
    background-color: var(--card-bg);
    color: var(--text-color);
}

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

/* Loading Spinner */
#loading {
    text-align: center;
    padding: 20px;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .row {
        margin: 0;
    }
    
    .col-md-4, .col-md-8 {
        padding: 0;
    }
    
    #emailContent {
        margin-top: 20px;
    }
}