html, body {
    font-family: 'Segoe UI', Helvetica, Arial, sans-serif;
    margin: 0;
    color: #222;
}

code {
    background-color: #f0f0f0;
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
}

.page {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 220px;
    flex-shrink: 0;
    background-color: #1b1f27;
    color: white;
}

.sidebar .app-title {
    color: white;
    font-weight: bold;
    padding: 1.25rem 1rem;
    font-size: 1.1rem;
    border-bottom: 1px solid #333844;
}

.sidebar .nav-item {
    padding: 0;
}

.sidebar .nav-link {
    display: block;
    color: #cfd2d8;
    padding: 0.6rem 1rem;
    text-decoration: none;
}

.sidebar .nav-link:hover {
    background-color: #2b3038;
    color: white;
}

.sidebar .nav-link.active {
    background-color: #3b82f6;
    color: white;
}

.sidebar .nav-section-label {
    color: #7d838f;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 0.9rem 1rem 0.2rem;
}

main {
    flex: 1;
    min-width: 0;
}

.content {
    padding: 2rem;
    max-width: 800px;
}

h1 {
    margin-top: 0;
}

.btn {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    border-radius: 5px;
    border: 1px solid transparent;
    cursor: pointer;
    margin-right: 0.4rem;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: #3b82f6;
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
}

.btn-outline-primary {
    background-color: white;
    color: #3b82f6;
    border-color: #3b82f6;
}

.btn-secondary {
    background-color: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background-color: #52585f;
}

.tab-buttons {
    margin-bottom: 1rem;
}

input {
    padding: 0.4rem 0.6rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    min-width: 320px;
    font-size: 0.95rem;
}