* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: system-ui, -apple-system, sans-serif;
    background: #f5f7fa;
    color: #1a202c;
    line-height: 1.5;
}
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
}
header {
    background: #2b6cb0;
    color: white;
    padding: 0.5rem 0;
}
header h1 { font-size: 1.25rem; display: inline; }
nav {
    float: right;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}
nav a {
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
}
nav a:hover { text-decoration: underline; }
.user-badge {
    background: rgba(255,255,255,0.2);
    padding: 0.2rem 0.6rem;
    border-radius: 1rem;
    font-size: 0.8rem;
}
main { padding: 1.5rem 0; }
h2 { margin-bottom: 1rem; }
form label {
    display: block;
    margin: 0.75rem 0 0.25rem;
    font-weight: 600;
}
form input, form select, form textarea {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid #cbd5e0;
    border-radius: 0.375rem;
    font-size: 1rem;
}
form button {
    margin-top: 1rem;
    background: #2b6cb0;
    color: white;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 0.375rem;
    font-size: 1rem;
    cursor: pointer;
    width: 100%;
}
form button:hover { background: #1a4f7a; }
.alert {
    padding: 0.75rem;
    border-radius: 0.375rem;
    margin-bottom: 1rem;
}
.alert.error { background: #fed7d7; color: #9b2c2c; }
.request-list { list-style: none; padding: 0; }
.request-list li {
    background: white;
    border-radius: 0.5rem;
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.request-list .status {
    display: inline-block;
    background: #e2e8f0;
    padding: 0.1rem 0.6rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    align-self: flex-start;
}
.request-list .budget {
    font-weight: bold;
    color: #2b6cb0;
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.admin-table th, .admin-table td {
    border: 1px solid #e2e8f0;
    padding: 0.4rem;
    text-align: left;
}
.admin-table th { background: #edf2f7; }
.admin-table select, .admin-table button {
    padding: 0.2rem 0.4rem;
    font-size: 0.8rem;
}
footer {
    background: #edf2f7;
    padding: 1rem 0;
    text-align: center;
    font-size: 0.85rem;
    color: #4a5568;
}
@media (max-width: 480px) {
    header h1 { font-size: 1rem; }
    nav a { font-size: 0.75rem; }
    .user-badge { font-size: 0.7rem; }
}