body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f7;
    color: #1d1d1f;
    line-height: 1.5;
}

header {
    background-color: #ffffff;
    color: #1d1d1f;
    padding: 1rem;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

header p {
    margin: 0.25rem 0 0;
    font-size: 0.9rem;
    color: #86868b;
}

main {
    max-width: 800px;
    margin: 1.5rem auto;
    padding: 1.5rem;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

section {
    margin-bottom: 1.5rem;
    background-color: #f5f5f7;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #e5e5e7;
}

h2 {
    margin-top: 0;
    color: #1d1d1f;
    font-weight: 600;
    font-size: 1.125rem;
}

label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 400;
    color: #1d1d1f;
    cursor: pointer;
}

#deactivation-list label {
    display: block;
    margin-bottom: 0.5rem;
}

input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid #007aff;
    border-radius: 4px;
    background-color: #ffffff;
    position: relative;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-right: 0.5rem;
}

input[type="checkbox"]:hover {
    border-color: #0056cc;
}

input[type="checkbox"]:checked {
    background-color: #007aff;
    border-color: #007aff;
}

input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

button {
    background-color: #007aff;
    color: white;
    border: none;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: block;
    margin: 0 auto;
}

button:hover {
    background-color: #0056cc;
}

#deactivations {
    background-color: #fefefe;
    border: 1px solid #ffcc00;
}

#deactivate-btn {
    background-color: #ff3b30;
}

#deactivate-btn:hover {
    background-color: #d63027;
}

details {
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

summary {
    background-color: #007aff;
    color: white;
    padding: 0.75rem;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

summary:hover {
    background-color: #0056cc;
}

details[open] summary {
    background-color: #34c759;
}

details.error summary {
    background-color: #ff3b30;
}

details.error[open] summary {
    background-color: #d63027;
}

.log-group {
    padding: 0.75rem;
    background-color: #ffffff;
    border-radius: 0 0 8px 8px;
}

.log-entry {
    padding: 0.375rem;
    border-radius: 4px;
    margin-bottom: 0.375rem;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.8125rem;
}

.log-entry.success {
    background-color: #e8f5e8;
    color: #2d5016;
}

.log-entry.error {
    background-color: #fceaea;
    color: #b91c1c;
}

.log-entry.diff {
    background-color: #fef3c7;
    color: #92400e;
}

.log-entry.info {
    background-color: #f0f9ff;
    color: #1e40af;
}

#import-status {
    margin-top: 1rem;
    font-weight: 500;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.import-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.import-options label {
    margin-bottom: 0;
}

input[type="password"] {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #d1d1d6;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

input[type="password"]:focus {
    outline: none;
    border-color: #007aff;
    box-shadow: 0 0 0 2px rgba(0, 126, 255, 0.2);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
}
.stat {
    background: #ffffff;
    border: 1px solid #e5e5e7;
    border-radius: 8px;
    padding: 0.75rem;
}
.stat-key {
    font-size: 0.8rem;
    color: #6b7280;
}
.stat-val {
    font-size: 1.125rem;
    font-weight: 600;
    color: #111827;
}

/* New UI bits */
.actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    justify-content: flex-start;
}

.btn-secondary {
    background-color: #e5e7eb;
    color: #111827;
}
.btn-secondary:hover {
    background-color: #d1d5db;
}

.btn-danger {
    background-color: #ff3b30;
}
.btn-danger:hover {
    background-color: #d63027;
}

.input-group {
    display: flex;
    gap: 0.5rem;
}
.input-group input {
    flex: 1 1 auto;
}

input[type="text"] {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #d1d1d6;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}
input[type="text"]:focus {
    outline: none;
    border-color: #007aff;
    box-shadow: 0 0 0 2px rgba(0, 126, 255, 0.2);
}

.advanced summary {
    background-color: #6b7280;
}
.advanced[open] summary {
    background-color: #4b5563;
}
.advanced .advanced-content {
    padding: 0.75rem;
    background-color: #ffffff;
}
.advanced .advanced-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.log-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem 1rem;
    margin: 0.5rem 0 1rem;
}
.log-toolbar .right {
    display: flex;
    gap: 0.5rem;
}

footer {
    max-width: 800px;
    margin: 0.5rem auto 2rem;
    color: #6b7280;
    text-align: center;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
    body { background-color: #0b0b0f; color: #f6f7fb; }
    header, main, .stat, .log-group, .advanced .advanced-content { background-color: #111217; color: #f6f7fb; }
    section { background-color: #0f1115; border-color: #1f2430; }
    h2, .stat-val { color: #f6f7fb; }
    .stat-key { color: #a0a7b4; }
    input[type="text"], input[type="password"] { background: #0f1115; color: #f6f7fb; border-color: #2a2f3a; }
    input[type="text"]:focus, input[type="password"]:focus { border-color: #3b82f6; box-shadow: 0 0 0 2px rgba(59,130,246,0.2); }
    .btn-secondary { background-color: #1f2430; color: #f6f7fb; }
    .btn-secondary:hover { background-color: #2a3040; }
    summary { background-color: #2563eb; }
    details[open] summary { background-color: #16a34a; }
    details.error summary { background-color: #ef4444; }
    details.error[open] summary { background-color: #b91c1c; }
    .log-entry.success { background-color: #0f2e17; color: #b7f3b4; }
    .log-entry.error { background-color: #3b0f0f; color: #fecaca; }
    .log-entry.info { background-color: #0b2540; color: #bfdbfe; }
}