* { box-sizing: border-box; }
body {
    font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
    background: #f4f6f8;
    margin: 0;
    color: #1f2937;
}
.topbar {
    background: #101828;
    color: #fff;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.topbar .brand { font-weight: 700; font-size: 18px; }
.topbar nav a {
    color: #d1d5db;
    text-decoration: none;
    margin-inline-start: 18px;
    font-size: 14px;
}
.topbar nav a:hover { color: #fff; }
.topbar nav .logout { color: #f87171; }
.topbar nav .user-name { margin-inline-start: 18px; color: #9ca3af; font-size: 13px; }

.container { max-width: 1100px; margin: 24px auto; padding: 0 16px; }

.card {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    margin-bottom: 20px;
}

h1 { font-size: 20px; margin-bottom: 16px; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 8px; text-align: right; border-bottom: 1px solid #eee; font-size: 14px; }
th { color: #6b7280; font-weight: 600; }

.btn {
    display: inline-block;
    background: #2563eb;
    color: #fff;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
}
.btn.danger { background: #dc2626; }
.btn.secondary { background: #6b7280; }

form.inline { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; margin-bottom: 16px; }
label { display: block; font-size: 13px; margin-bottom: 4px; color: #374151; }
input, select {
    padding: 8px 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    width: 100%;
}
.field { min-width: 160px; }

.login-box {
    max-width: 380px;
    margin: 80px auto;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.error { color: #dc2626; font-size: 14px; margin-bottom: 10px; }
.totals { margin-top: 16px; font-size: 15px; }
.totals strong { font-size: 18px; }