:root {
  --green-950: #0b2f21;
  --green-800: #165b3b;
  --green-700: #1d7049;
  --green-100: #e7f3ec;
  --cream: #f6f3ea;
  --paper: #fffefa;
  --ink: #16241d;
  --muted: #68746d;
  --line: #dfe4df;
  --amber: #d69b2d;
  --red: #c9564a;
  --shadow: 0 18px 50px rgba(21, 57, 39, .10);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: var(--cream); }
body { margin: 0; min-height: 100vh; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
.eyebrow { margin: 0 0 8px; color: var(--green-700); text-transform: uppercase; letter-spacing: .13em; font-size: 12px; font-weight: 800; }
.muted { color: var(--muted); margin: 8px 0 0; }
.school-mark { width: 78px; height: 92px; display: grid; place-items: center; color: #fff; background: linear-gradient(145deg, #278459, #124d33); border: 5px solid rgba(255,255,255,.55); box-shadow: 0 14px 30px rgba(6,35,23,.25); clip-path: polygon(50% 0, 94% 17%, 87% 74%, 50% 100%, 13% 74%, 6% 17%); }
.school-mark span { font-family: Georgia, serif; font-size: 35px; font-weight: 800; }
.school-mark.small { width: 44px; height: 52px; border-width: 3px; box-shadow: none; flex: 0 0 auto; }
.school-mark.small span { font-size: 22px; }
.school-logo-small { width: 44px; height: 52px; object-fit: contain; flex: 0 0 auto; }

.login-page { background: var(--green-950); }
.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(360px, 1.05fr) minmax(440px, .95fr); }
.login-brand { padding: clamp(48px, 8vw, 110px); color: #fff; display: flex; flex-direction: column; justify-content: center; position: relative; overflow: hidden; }
.login-brand::after { content: ""; position: absolute; width: 480px; height: 480px; right: -220px; bottom: -220px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,.025), 0 0 0 140px rgba(255,255,255,.018); }
.login-brand .eyebrow { margin-top: 32px; color: #9ed5b8; }
.login-brand h1 { font-family: Georgia, serif; font-size: clamp(42px, 5vw, 70px); line-height: 1.03; letter-spacing: -.04em; max-width: 650px; margin: 0; }
.login-intro { max-width: 520px; color: #c7dbd0; font-size: 18px; line-height: 1.65; }
.brand-note { margin-top: 30px; display: flex; align-items: center; gap: 10px; color: #b8cfc3; font-size: 14px; }
.brand-note span { width: 9px; height: 9px; border-radius: 50%; background: #76d6a2; box-shadow: 0 0 0 5px rgba(118,214,162,.12); }
.login-card { background: var(--paper); padding: clamp(42px, 9vw, 120px); display: flex; flex-direction: column; justify-content: center; gap: 32px; }
.login-card h2 { margin: 0; font-family: Georgia, serif; font-size: 40px; letter-spacing: -.03em; }
.mobile-brand { display: none; align-items: center; gap: 12px; }
.login-form { display: grid; gap: 20px; max-width: 480px; }
.login-form label { display: grid; gap: 8px; font-size: 14px; font-weight: 750; }
.login-form input { width: 100%; border: 1px solid #ccd4cf; border-radius: 12px; padding: 14px 15px; background: #fff; color: var(--ink); outline: none; }
.login-form input:focus { border-color: var(--green-700); box-shadow: 0 0 0 4px rgba(29,112,73,.1); }
.password-wrap { position: relative; }
.password-wrap button { position: absolute; top: 50%; right: 9px; transform: translateY(-50%); border: 0; padding: 7px 9px; background: transparent; color: var(--green-700); font-weight: 750; cursor: pointer; }
.primary-button { border: 0; border-radius: 12px; background: var(--green-800); color: #fff; padding: 15px 20px; font-weight: 800; cursor: pointer; box-shadow: 0 10px 24px rgba(22,91,59,.22); }
.primary-button:hover { background: var(--green-700); }
.secure-note { color: var(--muted); font-size: 12px; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 260px 1fr; }
.sidebar { background: var(--green-950); color: #fff; padding: 26px 18px; display: flex; flex-direction: column; position: fixed; inset: 0 auto 0 0; width: 260px; }
.sidebar-brand { display: flex; align-items: center; gap: 12px; padding: 0 8px 24px; border-bottom: 1px solid rgba(255,255,255,.11); }
.sidebar-brand strong, .sidebar-brand small { display: block; }
.sidebar-brand small { color: #9db7aa; margin-top: 3px; }
.sidebar nav { display: grid; gap: 5px; padding-top: 26px; }
.sidebar nav a { color: #c6d4cd; padding: 12px 13px; border-radius: 10px; display: flex; gap: 12px; align-items: center; font-weight: 650; font-size: 14px; }
.sidebar nav a:hover, .sidebar nav a.active { background: rgba(255,255,255,.1); color: #fff; }
.nav-dot { width: 8px; height: 8px; border: 2px solid currentColor; transform: rotate(45deg); }
.sidebar-user { margin-top: auto; border-top: 1px solid rgba(255,255,255,.11); padding: 20px 8px 0; display: flex; align-items: center; gap: 11px; }
.sidebar-user strong, .sidebar-user small { display: block; }
.sidebar-user strong { font-size: 13px; }
.sidebar-user small { color: #9db7aa; font-size: 10px; letter-spacing: .1em; margin-top: 4px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: #dba83f; color: var(--green-950); display: grid; place-items: center; font-weight: 850; font-size: 12px; }
.main-content { grid-column: 2; padding: 42px clamp(28px, 5vw, 70px) 70px; max-width: 1500px; width: 100%; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 30px; }
.topbar h1 { margin: 0; font-family: Georgia, serif; font-size: 37px; letter-spacing: -.03em; }
.period-badge { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 12px 16px; box-shadow: 0 7px 25px rgba(21,57,39,.05); }
.period-badge span, .period-badge strong { display: block; }
.period-badge span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 4px; }
.quick-actions { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; margin-bottom: 22px; }
.quick-card { min-height: 112px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); padding: 20px 22px; display: flex; align-items: center; gap: 16px; box-shadow: 0 8px 30px rgba(21,57,39,.06); }
.quick-card.primary { background: var(--green-800); color: #fff; border-color: transparent; }
.quick-card b { margin-left: auto; font-size: 23px; }
.quick-card strong, .quick-card small { display: block; }
.quick-card strong { font-size: 17px; margin-bottom: 5px; }
.quick-card small { color: var(--muted); }
.quick-card.primary small { color: #c5ded1; }
.quick-icon { width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center; background: var(--green-100); color: var(--green-800); font-weight: 900; }
.primary .quick-icon { background: rgba(255,255,255,.14); color: #fff; }
.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 22px; }
.summary-card, .content-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 8px 30px rgba(21,57,39,.055); }
.summary-card { padding: 20px; }
.card-heading { display: flex; justify-content: space-between; color: var(--muted); font-size: 13px; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green-700); box-shadow: 0 0 0 5px var(--green-100); }
.status-dot.amber { background: var(--amber); box-shadow: 0 0 0 5px #f9efd9; }
.status-dot.red { background: var(--red); box-shadow: 0 0 0 5px #fae7e4; }
.big-number { display: block; margin-top: 22px; font-family: Georgia, serif; font-size: 29px; }
.summary-card p { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.content-card { padding: 24px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.section-heading h2 { margin: 0; font-family: Georgia, serif; font-size: 27px; }
.section-heading a { color: var(--green-700); font-size: 13px; font-weight: 800; }
.bill-row { padding: 20px 0; display: flex; justify-content: space-between; gap: 20px; align-items: center; border-bottom: 1px solid var(--line); }
.bill-row:last-child { border-bottom: 0; padding-bottom: 0; }
.bill-row strong, .bill-row small { display: block; }
.bill-row small { color: var(--muted); margin-top: 5px; }
.bill-type { display: inline-block; color: var(--green-700); background: var(--green-100); border-radius: 99px; padding: 4px 8px; font-size: 9px; font-weight: 850; margin-bottom: 8px; letter-spacing: .08em; }
.bill-type.optional { color: #8e6010; background: #faeed4; }
.bill-progress { display: flex; gap: 22px; color: var(--muted); font-size: 12px; text-align: right; }
.bill-progress b { display: block; color: var(--ink); font-size: 20px; margin-bottom: 2px; }

@media (max-width: 900px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-brand { display: none; }
  .login-card { min-height: 100vh; padding: 30px max(24px, 8vw); }
  .mobile-brand { display: flex; }
  .app-shell { display: block; }
  .sidebar { position: static; width: auto; padding: 16px; }
  .sidebar nav, .sidebar-user { display: none; }
  .sidebar-brand { border: 0; padding: 0; }
  .main-content { padding: 25px 18px 50px; }
  .topbar { align-items: flex-start; }
  .quick-actions, .summary-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .topbar { display: grid; }
  .topbar h1 { font-size: 30px; }
  .quick-card { min-height: 96px; }
  .bill-row { align-items: flex-start; flex-direction: column; }
  .bill-progress { width: 100%; justify-content: space-between; text-align: left; }
}

.mobile-header { display: none; }
.logout-button { border: 0; background: transparent; color: #b8cfc3; cursor: pointer; font-size: 20px; padding: 5px; }
.loading-state { min-height: 55vh; display: grid; place-items: center; align-content: center; color: var(--muted); gap: 12px; }
.loading-state span { width: 34px; height: 34px; border-radius: 50%; border: 3px solid var(--green-100); border-top-color: var(--green-700); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 18px; margin-bottom: 25px; }
.page-head h1 { margin: 0; font: 700 38px/1.1 Georgia,serif; letter-spacing: -.03em; }
.page-head p { margin: 8px 0 0; color: var(--muted); }
.button-row { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.secondary-button,.danger-button,.text-button { border: 1px solid var(--line); border-radius: 11px; background: var(--paper); padding: 11px 15px; color: var(--ink); font-weight: 750; cursor: pointer; }
.danger-button { color: #a63c33; border-color: #e1b5b0; background: #fff7f6; }
.text-button { border: 0; background: transparent; color: var(--green-700); padding: 8px; }
.primary-button.inline-button,.inline-button { display: inline-block; width: auto; }
.primary-button:disabled,.secondary-button:disabled { opacity: .55; cursor: wait; }
.alert { padding: 12px 14px; border-radius: 11px; font-size: 13px; }
.alert.error { background: #fbe8e6; border: 1px solid #edc0bb; color: #8e3029; }
.alert.success { background: var(--green-100); border: 1px solid #b8d9c6; color: var(--green-800); }
.alert.warning { background: #fff5df; border: 1px solid #efd69c; color: #77500d; }
.tabs { display: flex; gap: 5px; border-bottom: 1px solid var(--line); margin-bottom: 20px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button { border: 0; background: transparent; color: var(--muted); padding: 12px 16px; border-bottom: 3px solid transparent; font-weight: 800; white-space: nowrap; cursor: pointer; }
.tabs button.active { color: var(--green-700); border-bottom-color: var(--green-700); }
.panel { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 8px 30px rgba(21,57,39,.05); padding: 23px; }
.panel + .panel { margin-top: 16px; }
.panel h2,.panel h3 { margin: 0 0 18px; font-family: Georgia,serif; }
.form-grid { display: grid; gap: 16px; }
.form-grid.two { grid-template-columns: repeat(2,minmax(0,1fr)); }
.form-grid.three { grid-template-columns: repeat(3,minmax(0,1fr)); }
.form-grid.five { grid-template-columns: repeat(5,minmax(0,1fr)); }
.form-grid label { display: grid; gap: 7px; font-size: 13px; color: #3e4b44; font-weight: 750; }
.form-grid input,.form-grid select,.form-grid textarea,.search-box input { width: 100%; border: 1px solid #ccd4cf; border-radius: 11px; padding: 11px 12px; background: #fff; color: var(--ink); outline: none; font: inherit; }
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus,.search-box input:focus { border-color: var(--green-700); box-shadow: 0 0 0 3px rgba(29,112,73,.1); }
.form-grid small { color: var(--muted); font-weight: 500; }
fieldset { border: 1px solid var(--line); border-radius: 14px; padding: 18px; display: grid; gap: 14px; }
legend { padding: 0 8px; color: var(--green-800); font-weight: 850; }
.installer-page,.error-page { min-height: 100vh; background: var(--cream); padding: 40px 18px; display: grid; place-items: center; }
.installer-card { width: min(850px,100%); background: var(--paper); border: 1px solid var(--line); border-radius: 22px; padding: clamp(24px,5vw,50px); box-shadow: var(--shadow); }
.installer-card h1 { font: 700 40px Georgia,serif; margin: 0; }
.install-form { margin-top: 25px; }
.success-card { text-align: center; max-width: 600px; }
.success-icon { width: 68px; height: 68px; border-radius: 50%; display: grid; place-items: center; background: var(--green-100); color: var(--green-700); font-size: 34px; margin: 0 auto 20px; }
.search-box { position: relative; }
.search-box input { padding: 14px 16px; font-size: 16px; }
.search-results { border: 1px solid var(--line); border-radius: 12px; margin-top: 8px; overflow: hidden; background: #fff; }
.search-result { width: 100%; border: 0; border-bottom: 1px solid var(--line); padding: 13px 15px; text-align: left; background: #fff; display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
.search-result:last-child { border-bottom: 0; }
.search-result:hover { background: #f4f8f5; }
.search-result strong,.search-result small { display: block; }
.search-result small { color: var(--muted); margin-top: 4px; }
.student-banner { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 16px; border-radius: 13px; background: var(--green-100); margin-bottom: 18px; }
.student-banner strong,.student-banner small { display: block; }
.student-banner small { color: var(--green-800); margin-top: 4px; }
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th { text-align: left; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; padding: 11px 10px; border-bottom: 1px solid var(--line); }
.data-table td { padding: 13px 10px; border-bottom: 1px solid #edf0ed; vertical-align: top; }
.data-table tr:last-child td { border-bottom: 0; }
.money { font-variant-numeric: tabular-nums; white-space: nowrap; }
.badge { display: inline-flex; border-radius: 99px; padding: 4px 8px; font-size: 10px; font-weight: 850; letter-spacing: .04em; background: #ecefed; color: #55625b; }
.badge.LUNAS,.badge.VALID,.badge.AKTIF { background: var(--green-100); color: var(--green-700); }
.badge.SEBAGIAN { background: #fff0d5; color: #93620d; }
.badge.BELUM,.badge.CANCELLED,.badge.ARSIP { background: #fae7e4; color: #a53d34; }
.empty-state { text-align: center; padding: 42px 18px; color: var(--muted); }
.empty-state strong { color: var(--ink); display: block; margin-bottom: 6px; }
.bill-check { display: grid; grid-template-columns: auto 1fr 145px; gap: 12px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
.bill-check:last-child { border-bottom: 0; }
.bill-check input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--green-700); }
.bill-check .amount-input { text-align: right; }
.period-section { margin: 18px 0; }
.period-section > h3 { font: 800 11px/1 sans-serif; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; margin: 0 0 8px; }
.modal-backdrop { position: fixed; inset: 0; background: rgba(9,28,19,.56); z-index: 20; display: grid; place-items: center; padding: 18px; }
.modal { width: min(650px,100%); max-height: 90vh; overflow-y: auto; background: var(--paper); border-radius: 20px; padding: 24px; box-shadow: 0 30px 80px rgba(0,0,0,.24); }
.modal.wide { width: min(900px,100%); }
.modal-head { display: flex; justify-content: space-between; gap: 14px; align-items: flex-start; margin-bottom: 20px; }
.modal-head h2 { font: 700 29px Georgia,serif; margin: 0; }
.close-button { border: 0; background: #eef1ee; width: 34px; height: 34px; border-radius: 50%; cursor: pointer; }
.preview-total { display: flex; justify-content: space-between; border-top: 2px solid var(--ink); padding-top: 13px; margin-top: 13px; font-size: 18px; font-weight: 850; }
#toast { position: fixed; right: 22px; bottom: 22px; z-index: 40; display: grid; gap: 8px; }
.toast-item { background: var(--green-950); color: #fff; padding: 13px 16px; border-radius: 11px; box-shadow: var(--shadow); max-width: 360px; font-size: 13px; animation: toast-in .2s ease; }
.toast-item.error { background: #8f3029; }
@keyframes toast-in { from { transform: translateY(8px); opacity: 0; } }
.kpi-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-bottom: 18px; }
.kpi { background: var(--paper); border: 1px solid var(--line); border-radius: 15px; padding: 17px; }
.kpi small,.kpi strong { display: block; }.kpi small{color:var(--muted);margin-bottom:10px}.kpi strong{font:700 25px Georgia,serif}
.stepper { display: flex; gap: 6px; margin-bottom: 20px; }.stepper span{height:5px;flex:1;background:#dde3df;border-radius:99px}.stepper span.done{background:var(--green-700)}
.detail-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }.detail-box{background:#f2f5f2;border-radius:11px;padding:13px}.detail-box small,.detail-box strong{display:block}.detail-box small{color:var(--muted);margin-bottom:5px}
.settings-grid { display:grid;grid-template-columns:220px 1fr;gap:18px}.settings-nav{display:grid;align-content:start;gap:5px}.settings-nav button{text-align:left;border:0;background:transparent;padding:11px;border-radius:9px;color:var(--muted);font-weight:750;cursor:pointer}.settings-nav button.active{background:var(--green-100);color:var(--green-700)}

@media (max-width: 900px) {
  .mobile-header{display:flex;justify-content:space-between;align-items:center;background:var(--green-950);color:#fff;padding:12px 16px}.mobile-header .sidebar-brand{padding:0}.mobile-header button{border:0;background:transparent;color:#fff;font-size:25px}.sidebar.open{display:flex;position:fixed;z-index:30;width:260px}.app-page .sidebar{display:none}.app-page .sidebar.open{display:flex}.app-page .sidebar.open nav{display:grid}.app-page .sidebar.open .sidebar-user{display:flex}.app-page .main-content{padding-top:24px}.form-grid.five,.form-grid.three{grid-template-columns:repeat(2,1fr)}.settings-grid{grid-template-columns:1fr}.settings-nav{grid-template-columns:repeat(3,1fr)}
}
@media (max-width: 620px) {
  .page-head{align-items:flex-start;display:grid}.page-head h1{font-size:31px}.form-grid.two,.form-grid.three,.form-grid.five,.kpi-grid,.detail-grid{grid-template-columns:1fr}.panel{padding:17px}.bill-check{grid-template-columns:auto 1fr}.bill-check .amount-input{grid-column:2}.settings-nav{grid-template-columns:1fr 1fr}.data-table{min-width:700px}
}