/* SPP Sekolah — gaya neobrutalism: border hitam tebal, bayangan offset, warna solid cerah */
:root {
    --bg: #fff6e0;
    --paper: #ffffff;
    --ink: #121212;
    --muted: #4f4a42;
    --yellow: #ffd23f;
    --blue: #4d7cfe;
    --green: #2ec4a0;
    --red: #ff5c7a;
    --purple: #b892ff;
    --orange: #ff9f45;
    --b: 2.5px solid var(--ink);
    --shadow: 5px 5px 0 var(--ink);
    --shadow-sm: 3px 3px 0 var(--ink);
    --font: "Segoe UI", "Helvetica Neue", Arial, system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 500 14.5px/1.5 var(--font); }
a { color: var(--ink); font-weight: 700; }
.ic { flex-shrink: 0; vertical-align: middle; }
.muted { color: var(--muted); }
.text-right { text-align: right; }
.mt { margin-top: 26px; }
h1, h2, h3 { font-weight: 900; letter-spacing: -.02em; margin: 0; }

/* Layout */
.layout { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar { background: var(--yellow); border-right: var(--b); padding: 22px 18px; position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 18px; }
.brand { display: flex; gap: 12px; align-items: center; background: var(--paper); border: var(--b); box-shadow: var(--shadow-sm); padding: 12px; border-radius: 12px; }
.brand-mark { width: 42px; height: 42px; border: var(--b); border-radius: 10px; background: var(--blue); color: #fff; display: grid; place-items: center; }
.brand strong { display: block; font-weight: 900; font-size: 15px; line-height: 1.15; }
.brand small { font-size: 11.5px; color: var(--muted); }
.sidebar nav { display: flex; flex-direction: column; gap: 8px; }
.sidebar nav a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 2.5px solid transparent; border-radius: 10px; text-decoration: none; }
.sidebar nav a:hover { border-color: var(--ink); background: #ffe27a; }
.sidebar nav a.active { background: var(--ink); color: var(--yellow); border-color: var(--ink); box-shadow: 3px 3px 0 var(--blue); }
.sidebar .grow { flex: 1; }
.user-card { border: var(--b); background: var(--paper); border-radius: 12px; padding: 10px 12px; display: flex; align-items: center; gap: 10px; box-shadow: var(--shadow-sm); }
.user-card .grow { flex: 1; min-width: 0; }
.user-card strong { display: block; font-size: 13px; }
.user-card small { font-size: 12px; color: var(--muted); }
.avatar { width: 34px; height: 34px; border-radius: 50%; border: var(--b); background: var(--red); display: grid; place-items: center; font-weight: 900; }
.main { min-width: 0; }
.topbar { display: flex; align-items: center; gap: 14px; padding: 26px 34px 6px; flex-wrap: wrap; }
.topbar h1 { font-size: 32px; flex: 1; }
.topbar h1 mark { background: var(--yellow); padding: 0 8px; border: var(--b); border-radius: 8px; }
.topbar-actions { display: flex; gap: 10px; }
.topbar .menu-toggle { display: none; }
.content { padding: 20px 34px 48px; }

/* Cards */
.card { background: var(--paper); border: var(--b); border-radius: 14px; box-shadow: var(--shadow); }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 20px; border-bottom: var(--b); flex-wrap: wrap; }
.card-head h2 { font-size: 18px; }
.card-body { padding: 20px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 26px; }
.stat { padding: 18px 20px; border-radius: 14px; border: var(--b); box-shadow: var(--shadow); }
.stat small { display: block; font-weight: 800; text-transform: uppercase; font-size: 11.5px; letter-spacing: .06em; }
.stat strong { display: block; font-size: 28px; font-weight: 900; margin-top: 6px; line-height: 1.1; }
.stat span { font-size: 13px; }
.bg-yellow { background: var(--yellow); } .bg-blue { background: var(--blue); color: #fff; } .bg-green { background: var(--green); }
.bg-red { background: var(--red); } .bg-purple { background: var(--purple); } .bg-white { background: var(--paper); }
.grid-2 { display: grid; grid-template-columns: 1.5fr 1fr; gap: 22px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border: var(--b); border-radius: 10px; background: var(--paper); color: var(--ink); font: inherit; font-weight: 800; cursor: pointer; text-decoration: none; box-shadow: var(--shadow-sm); transition: transform .08s, box-shadow .08s; white-space: nowrap; }
.btn:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--ink); }
.btn:active { transform: translate(3px, 3px); box-shadow: 0 0 0 var(--ink); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-yellow { background: var(--yellow); }
.btn-green { background: var(--green); }
.btn-sm { padding: 6px 10px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }
.icon-btn { background: var(--paper); border: 2px solid var(--ink); border-radius: 8px; padding: 5px; cursor: pointer; color: var(--ink); display: inline-grid; place-items: center; }
.icon-btn:hover { background: var(--yellow); }
.actions { display: flex; gap: 6px; justify-content: flex-end; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; font-weight: 900; text-transform: uppercase; letter-spacing: .05em; padding: 12px 18px; background: var(--ink); color: #fff; }
td { padding: 12px 18px; border-bottom: 2px solid #ecdcb3; vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fff9e8; }
td strong { display: block; font-weight: 800; }
td small { color: var(--muted); display: block; }
.empty { text-align: center; padding: 40px; font-weight: 700; color: var(--muted); }
.card .table-wrap { border-radius: 0 0 12px 12px; }

.badge { display: inline-block; padding: 3px 10px; border: 2px solid var(--ink); border-radius: 999px; font-size: 12px; font-weight: 800; }
.badge-green { background: var(--green); } .badge-red { background: var(--red); } .badge-yellow { background: var(--yellow); }
.badge-blue { background: var(--blue); color: #fff; } .badge-gray { background: #e9e4d8; } .badge-purple { background: var(--purple); }

.alert { padding: 12px 16px; border: var(--b); border-radius: 12px; margin-bottom: 20px; font-weight: 700; box-shadow: var(--shadow-sm); }
.alert-success { background: var(--green); }
.alert-error { background: var(--red); }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.form-grid .full { grid-column: 1 / -1; }
label { display: block; font-weight: 800; font-size: 13px; margin-bottom: 6px; }
input[type=text], input[type=number], input[type=date], input[type=password], input[type=search], select, textarea {
    width: 100%; padding: 10px 12px; border: var(--b); border-radius: 10px; font: inherit; background: var(--paper); color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: none; box-shadow: var(--shadow-sm); background: #fffdf5; }
.form-actions { display: flex; gap: 12px; margin-top: 22px; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.filters input, .filters select { width: auto; }

/* Kartu SPP 12 bulan */
.months { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.month { border: var(--b); border-radius: 12px; padding: 12px; text-align: center; position: relative; background: var(--paper); }
.month b { display: block; font-size: 15px; font-weight: 900; }
.month small { display: block; font-size: 12px; margin-top: 2px; }
.month.lunas { background: var(--green); }
.month.tunggak { background: var(--red); }
.month.belum { background: #f3eedf; color: var(--muted); border-style: dashed; }
.month.gratis { background: var(--purple); }
label.month { cursor: pointer; font-size: 13px; text-transform: none; margin: 0; }
label.month input { position: absolute; top: 8px; left: 8px; width: 18px; height: 18px; accent-color: var(--ink); }
label.month:has(input:checked) { background: var(--yellow); box-shadow: var(--shadow-sm); transform: translate(-2px, -2px); }
.mini-months { display: flex; gap: 3px; }
.mini-months span { width: 18px; height: 18px; border: 2px solid var(--ink); border-radius: 4px; font-size: 9px; font-weight: 900; display: grid; place-items: center; }
.mini-months .lunas { background: var(--green); } .mini-months .tunggak { background: var(--red); } .mini-months .belum { background: #fff; color: #bbb; border-color: #bbb; } .mini-months .gratis { background: var(--purple); }

/* Bar chart */
.bars { display: flex; align-items: flex-end; gap: 12px; height: 210px; padding-top: 14px; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; gap: 6px; }
.bar { width: 100%; max-width: 44px; border: var(--b); border-radius: 8px 8px 0 0; background: var(--blue); min-height: 6px; }
.bar-col:nth-child(even) .bar { background: var(--yellow); }
.bar-col small { font-size: 11.5px; font-weight: 800; }
.hbar { height: 16px; border: 2px solid var(--ink); border-radius: 999px; background: #fff; overflow: hidden; flex: 1; }
.hbar span { display: block; height: 100%; background: var(--red); border-right: 2px solid var(--ink); }

/* Login & publik */
.center-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-box { width: 100%; max-width: 420px; padding: 32px; }
.login-box .brand-mark { width: 54px; height: 54px; margin-bottom: 16px; box-shadow: var(--shadow-sm); }
.login-box h1 { font-size: 30px; margin-bottom: 6px; }
.login-box .field { margin-bottom: 16px; }
.note { margin-top: 18px; padding: 12px; border: 2px dashed var(--ink); border-radius: 10px; font-size: 13px; background: #fff9e8; }

/* Kwitansi */
.receipt { max-width: 720px; margin: 0 auto; padding: 30px 34px; }
.receipt-head { display: flex; justify-content: space-between; gap: 20px; border-bottom: var(--b); padding-bottom: 16px; margin-bottom: 18px; }
.receipt h2 { font-size: 22px; }
.receipt .amount { font-size: 26px; font-weight: 900; background: var(--yellow); border: var(--b); border-radius: 10px; padding: 8px 14px; display: inline-block; }
.sign { display: flex; justify-content: flex-end; margin-top: 30px; text-align: center; }

@media print {
    .sidebar, .topbar, .no-print { display: none !important; }
    .layout { display: block; }
    body { background: #fff; }
    .content { padding: 0; }
    .card { box-shadow: none; }
}
@media (max-width: 1100px) {
    .stats { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: 1fr; }
    .months { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 760px) {
    .layout { grid-template-columns: 1fr; }
    .sidebar { position: fixed; left: -280px; width: 260px; z-index: 50; transition: left .2s; }
    .sidebar.open { left: 0; }
    .topbar .menu-toggle { display: inline-grid; }
    .topbar, .content { padding-left: 16px; padding-right: 16px; }
    .topbar h1 { font-size: 24px; }
    .stats, .form-grid { grid-template-columns: 1fr; }
    .months { grid-template-columns: repeat(3, 1fr); }
    th, td { padding: 10px 12px; }
}