:root {
    --primary: #16a085;
    --dark: #2c3e50;
    --danger: #c0392b;
    --border: #dfe6e9;
    --bg: #f4f7f6;
    --text: #333;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
}

.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    background: var(--dark);
    color: #fff;
    padding: 0 24px;
    height: 56px;
}

.topbar .brand { font-size: 20px; font-weight: 700; }
.topbar .brand span { color: var(--primary); }

.topbar nav { display: flex; gap: 16px; margin-left: 8px; flex: 1; }
.topbar nav a { color: #ecf0f1; text-decoration: none; padding: 6px 10px; border-radius: 4px; }
.topbar nav a:hover { background: rgba(255,255,255,0.12); }

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

.footer { text-align: center; color: #95a5a6; padding: 24px; font-size: 13px; }

h1 { font-size: 26px; margin: 0 0 20px; }
h2 { font-size: 18px; margin: 24px 0 12px; }
.muted { color: #7f8c8d; }

.cards { display: flex; flex-wrap: wrap; gap: 16px; }
.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px 28px;
    min-width: 150px;
    text-align: center;
}
.card .num { font-size: 32px; font-weight: 700; color: var(--primary); }
.card .lbl { color: #7f8c8d; }

.searchbar { display: flex; gap: 8px; margin-bottom: 8px; }
.searchbar input { flex: 1; max-width: 420px; }

table.data { width: 100%; border-collapse: collapse; background: #fff; }
table.data th, table.data td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); }
table.data th { background: #ecf0f1; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }

.field { display: flex; flex-direction: column; }
.field label { font-weight: 600; font-size: 13px; margin-bottom: 4px; }
.field input, .field select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 4px; font-size: 14px; }

.actions { display: flex; gap: 10px; margin-top: 24px; }
.pager { display: flex; align-items: center; gap: 16px; margin-top: 16px; }

.photo-preview { margin-bottom: 12px; }
.photo-preview img { max-width: 320px; max-height: 240px; border: 1px solid var(--border); border-radius: 6px; }

.btn {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: #fff;
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    cursor: pointer;
}
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.subtle { background: #ecf0f1; }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }

.alert.error { background: #fdecea; border: 1px solid var(--danger); color: var(--danger); padding: 10px 14px; border-radius: 4px; margin-bottom: 16px; }

.login-box {
    max-width: 380px;
    margin: 8vh auto;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 28px;
}
.login-box h1 { font-size: 22px; text-align: center; }
.login-box .field { margin-bottom: 14px; }