* { box-sizing: border-box; margin: 0; }
body {
    font-family: system-ui, sans-serif;
    background: #f2f3f5;
    color: #1b1e23;
    padding-bottom: 72px;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: #1f6feb;
    color: #fff;
}
header h1 { font-size: 1.15rem; }
header .logout { color: #cfe0ff; font-size: 0.85rem; text-decoration: none; }
main { padding: 16px; max-width: 720px; margin: 0 auto; }

nav {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    display: flex;
    background: #fff;
    border-top: 1px solid #d8dbe0;
}
nav a {
    flex: 1;
    text-align: center;
    padding: 8px 0 10px;
    font-size: 0.75rem;
    color: #5a6270;
    text-decoration: none;
}
nav a span { display: block; font-size: 1.3rem; }
nav a.active { color: #1f6feb; font-weight: 600; }

.card {
    background: #fff;
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}
form label { display: block; font-size: 0.85rem; margin: 10px 0 4px; color: #5a6270; }
input, select, textarea, button {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    border: 1px solid #c9cdd4;
    border-radius: 8px;
    background: #fff;
}
button {
    background: #1f6feb;
    color: #fff;
    border: none;
    font-weight: 600;
    margin-top: 14px;
    cursor: pointer;
}
button.danger { background: #d1242f; }
button.small { width: auto; padding: 8px 14px; margin: 0; font-size: 0.85rem; }

.schools { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.schools label {
    margin: 0;
    border: 2px solid #c9cdd4;
    border-radius: 10px;
    padding: 14px 8px;
    text-align: center;
    font-size: 0.95rem;
    color: #1b1e23;
    cursor: pointer;
}
.schools input { display: none; }
.schools input:checked + span { color: #1f6feb; font-weight: 700; }
.schools label:has(input:checked) { border-color: #1f6feb; background: #eaf1fe; }

.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ok { background: #d7f5dd; color: #135723; padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; }
.error { background: #fde2e2; color: #8a1220; padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; }

.entry { border-bottom: 1px solid #eceef1; padding: 10px 0; }
.entry:last-child { border-bottom: none; }
.entry .top { display: flex; justify-content: space-between; gap: 8px; }
.entry .meta { font-size: 0.8rem; color: #5a6270; margin-top: 2px; }
.badge { font-size: 0.72rem; padding: 2px 8px; border-radius: 99px; white-space: nowrap; }
.badge.open { background: #ffe9c9; color: #7a4b00; }
.badge.settled { background: #d7f5dd; color: #135723; }

.filters { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.filters select, .filters input { flex: 1; min-width: 120px; padding: 9px; }
.filters button { width: auto; margin: 0; padding: 9px 16px; }

.sum { font-size: 1.2rem; font-weight: 700; text-align: right; padding: 10px 0; }
.actions { display: flex; gap: 8px; align-items: center; }
.actions a { color: #1f6feb; font-size: 0.85rem; }
h2 { font-size: 1rem; margin: 16px 0 8px; color: #5a6270; }
details summary { cursor: pointer; color: #5a6270; margin: 12px 0; }

body.login main { max-width: 360px; margin-top: 15vh; }
body.login h1 { text-align: center; margin-bottom: 12px; font-size: 1.3rem; }