:root {
    --color-bg: #f5f6f8;
    --color-surface: #ffffff;
    --color-border: #dfe3e8;
    --color-text: #1f2933;
    --color-muted: #6b7280;
    --color-primary: #1f5c4b;
    --color-primary-hover: #164539;
    --color-danger: #b3261e;
    --radius: 6px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 14px;
}

header.topbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

header.topbar .brand {
    font-weight: 700;
    color: var(--color-primary);
}

nav.mainnav {
    display: flex;
    gap: 1.2rem;
}

nav.mainnav a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    padding: 0.3rem 0;
    border-bottom: 2px solid transparent;
}

nav.mainnav a.active,
nav.mainnav a:hover {
    border-bottom-color: var(--color-primary);
    color: var(--color-primary);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 13px;
    color: var(--color-muted);
}

main {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

h1 { font-size: 1.4rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 0.7rem; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

th, td {
    text-align: left;
    padding: 0.55rem 0.6rem;
    border-bottom: 1px solid var(--color-border);
}

th {
    color: var(--color-muted);
    font-weight: 600;
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

tr:hover td { background: #fafbfc; }

.badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 11.5px;
    font-weight: 600;
    background: #e7ede9;
    color: var(--color-primary);
}

.badge.muted { background: #eee; color: var(--color-muted); }

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

.filters {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.filters a {
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    text-decoration: none;
    font-size: 13px;
}

.filters a.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
    border: none;
    font-size: 13.5px;
    cursor: pointer;
}

.btn:hover { background: var(--color-primary-hover); }
.btn.secondary { background: #fff; color: var(--color-text); border: 1px solid var(--color-border); }
.btn.danger { background: var(--color-danger); }

form .field {
    margin-bottom: 1rem;
}

form label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: var(--color-muted);
}

form input[type=text],
form input[type=email],
form input[type=password],
form input[type=number],
form input[type=date],
form select,
form textarea {
    width: 100%;
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    background: #fff;
}

form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

form .hint {
    font-size: 12px;
    color: var(--color-muted);
    margin-top: 0.2rem;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.checkbox-row label { margin: 0; }

.flash {
    padding: 0.7rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 13.5px;
}
.flash.error { background: #fdecea; color: var(--color-danger); border: 1px solid #f5c6c2; }
.flash.success { background: #e7f3ec; color: var(--color-primary); border: 1px solid #c7e2d2; }

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-muted);
}

.login-wrap {
    max-width: 360px;
    margin: 8rem auto;
}

.actions-cell { text-align: right; white-space: nowrap; }
.actions-cell a { margin-left: 0.6rem; font-size: 13px; }