:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --text: #182235;
    --muted: #65758b;
    --primary: #143a5a;
    --primary-light: #1d5f8e;
    --border: #dbe3ef;
    --danger: #9f1d1d;
    --success: #176b42;
    --warning: #946200;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

a { color: var(--primary-light); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
    background: var(--primary);
    color: white;
    padding: 14px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.brand a {
    color: white;
    font-weight: 700;
    font-size: 18px;
}

.topbar nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.topbar nav a {
    color: white;
    font-size: 14px;
}

.container {
    max-width: 1180px;
    margin: 24px auto;
    padding: 0 18px;
}

.footer {
    text-align: center;
    color: var(--muted);
    font-size: 13px;
    padding: 26px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px;
    margin-bottom: 18px;
    box-shadow: 0 3px 12px rgba(20, 58, 90, 0.05);
}

.grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.stat {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px;
}

.stat span {
    display: block;
    color: var(--muted);
    font-size: 13px;
}

.stat strong {
    display: block;
    font-size: 26px;
    margin-top: 5px;
}

h1, h2, h3 {
    margin-top: 0;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

th, td {
    border-bottom: 1px solid var(--border);
    padding: 10px;
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 13px;
    background: #f8fafc;
}

label {
    display: block;
    font-weight: 700;
    margin: 12px 0 5px;
}

input, select, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
}

textarea {
    min-height: 110px;
}

button, .button {
    display: inline-block;
    background: var(--primary);
    color: white;
    border: none;
    padding: 10px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    margin-top: 12px;
}

button:hover, .button:hover {
    background: var(--primary-light);
    text-decoration: none;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 12px;
    background: #e8eef6;
    color: var(--primary);
}

.badge.danger { background: #fde8e8; color: var(--danger); }
.badge.success { background: #e6f5ed; color: var(--success); }
.badge.warning { background: #fff2cc; color: var(--warning); }

.notice {
    background: #e8f3ff;
    border: 1px solid #bcdcff;
    color: #153d5d;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.error {
    background: #fde8e8;
    border: 1px solid #f6b4b4;
    color: var(--danger);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.login-box {
    max-width: 430px;
    margin: 60px auto;
}

.actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

@media (max-width: 900px) {
    .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
    .grid { grid-template-columns: 1fr; }
    .topbar { align-items: flex-start; }
}


.button.danger, button.danger {
    background: #9f1d1d;
}

.button.danger:hover, button.danger:hover {
    background: #7d1414;
}

.button.secondary, button.secondary {
    background: #65758b;
}

.button.secondary:hover, button.secondary:hover {
    background: #465568;
}

.inline-form {
    display: inline;
}

.inline-form button {
    margin-top: 0;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.form-grid .full {
    grid-column: 1 / -1;
}

.small-note {
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 700px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}