:root{
  --bg:#F2F5F9; --card:#FFFFFF; --ink:#10233B; --muted:#5B6B7F; --line:#E3EAF2;
  --brand:#0E7C6B; --brand-deep:#0A5A4E; --navy:#0F2A43; --navy2:#16395C;
  --amber:#F59E0B; --red:#E5484D; --red-bg:#FDECEC; --green:#16A34A; --green-bg:#E9F7EF;
  --amber-bg:#FEF6E7; --blue-bg:#EAF2FB;
  --radius:16px; --shadow:0 6px 24px rgba(16,35,59,.08);
  --font-body:'Be Vietnam Pro',system-ui,sans-serif; --font-display:'Baloo 2',var(--font-body);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font-body);background:var(--bg);color:var(--ink);line-height:1.55;font-size:15px}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
h1,h2,h3,.brand-name{font-family:var(--font-display)}

/* ---------- Topbar ---------- */
.topbar{background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 55%,var(--brand-deep) 130%);color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 16px rgba(0,0,0,.18)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 16px}
.brand{display:flex;gap:12px;align-items:center}
.brand-badge{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--brand),#12a68f);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(0,0,0,.25)}
.brand-name{font-size:24px;font-weight:800;letter-spacing:.3px}
.brand-sub{font-size:12px;opacity:.75}
.topbar-actions{display:flex;gap:8px}
.tabs{display:flex;gap:4px;overflow-x:auto;padding:0 16px 12px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{white-space:nowrap;border:0;background:rgba(255,255,255,.12);color:#fff;padding:9px 16px;border-radius:999px;font-family:var(--font-body);font-size:14px;font-weight:600;cursor:pointer;transition:.2s}
.tab:hover{background:rgba(255,255,255,.22)}
.tab.active{background:#fff;color:var(--navy)}

/* ---------- Buttons / inputs ---------- */
.btn{border:0;border-radius:12px;padding:10px 18px;font-family:var(--font-body);font-weight:600;font-size:14px;cursor:pointer;transition:.18s;display:inline-flex;align-items:center;gap:6px;justify-content:center}
.btn-primary{background:linear-gradient(135deg,var(--brand),#12a68f);color:#fff;box-shadow:0 4px 14px rgba(14,124,107,.35)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(14,124,107,.45)}
.btn-light{background:#fff;color:var(--navy)}
.btn-ghost-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-outline{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-danger{background:var(--red-bg);color:var(--red);border:1.5px solid #f5c6c7}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
.btn-col{display:flex;flex-direction:column;gap:10px;margin:12px 0}
input,select,textarea{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:12px;font-family:var(--font-body);font-size:14px;background:#fff;color:var(--ink);transition:.15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,124,107,.14)}
input:disabled,select:disabled{opacity:.55;background:#f3f4f6;cursor:not-allowed}
label{font-size:13.5px;font-weight:600;color:var(--ink);display:flex;flex-direction:column;gap:6px}
label .opt{font-weight:400;color:var(--muted);font-size:12px}
.input-group{display:flex;align-items:center;gap:0}
.input-group input{border-radius:12px 0 0 12px;border-right:0}
.input-group span{background:var(--bg);border:1.5px solid var(--line);border-left:0;padding:11px 14px;border-radius:0 12px 12px 0;font-weight:700;color:var(--muted);white-space:nowrap}
.check{flex-direction:row !important;align-items:center;gap:10px !important;font-weight:500;cursor:pointer;margin:12px 0}
.check input{width:auto;accent-color:var(--brand)}
.hint{font-size:12.5px;color:var(--muted);margin-top:10px}
.lead{font-size:15px;margin-bottom:10px}

/* ---------- Views & cards ---------- */
main{padding:22px 0 40px}
.view{display:none;animation:fade .25s ease}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.view-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.view-head h2{font-size:22px}
.view-head-actions{display:flex;gap:8px;flex-wrap:wrap}
.count{background:var(--blue-bg);color:var(--navy);font-size:13px;padding:2px 12px;border-radius:999px;font-family:var(--font-body)}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:18px;border:1px solid rgba(227,234,242,.7)}
.card h3{font-size:17px;margin-bottom:12px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:760px){.grid-2{grid-template-columns:1fr}.topbar-actions .btn-ghost-light{display:none}}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}

/* ---------- Stat cards ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:18px}
.stat{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px;border:1px solid rgba(227,234,242,.7);position:relative;overflow:hidden}
.stat::after{content:'';position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--sc,var(--brand))}
.stat .k{font-size:12.5px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px}
.stat .v{font-family:var(--font-display);font-size:24px;font-weight:800;margin-top:4px}
.stat .s{font-size:12.5px;color:var(--muted);margin-top:2px}

/* ---------- Alert banner ---------- */
.alert{border-radius:var(--radius);padding:14px 18px;margin-bottom:18px;font-weight:600;display:flex;gap:10px;align-items:center}
.alert.red{background:var(--red-bg);color:#a02a2e;border:1.5px solid #f5c6c7}
.alert.amber{background:var(--amber-bg);color:#8a5a00;border:1.5px solid #f3dfae}
.alert.green{background:var(--green-bg);color:#0e6b32;border:1.5px solid #bfe6cd}

/* ---------- Due list / timeline ---------- */
.due-list{display:flex;flex-direction:column;gap:10px}
.due-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;background:var(--bg);border:1px solid var(--line)}
.due-item .dot{width:12px;height:12px;border-radius:50%;flex:none}
.due-item.overdue .dot{background:var(--red)} .due-item.today .dot{background:var(--amber)} .due-item.soon .dot{background:var(--amber)} .due-item.ok .dot{background:var(--green)}
.due-item .grow{flex:1}
.due-item .t{font-weight:700}
.due-item .d{font-size:12.5px;color:var(--muted)}
.due-item[data-kind]{cursor:pointer;transition:border-color .15s,transform .15s}
.due-item[data-kind]:hover{border-color:var(--brand);transform:translateY(-1px)}
.flash{animation:flashHL 2.4s ease}
@keyframes flashHL{0%,100%{box-shadow:none}12%,55%{box-shadow:0 0 0 3px var(--brand)}}
.badge{font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:999px;white-space:nowrap}
.badge.red{background:var(--red);color:#fff}.badge.amber{background:var(--amber);color:#fff}.badge.green{background:var(--green);color:#fff}.badge.gray{background:#dbe3ec;color:var(--muted)}.badge.blue{background:#2563eb;color:#fff}
.bank-tag{display:inline-block;font-size:11px;font-weight:700;color:#fff;border-radius:6px;padding:2px 7px;margin-right:6px;vertical-align:1px;letter-spacing:.3px}
.timeline{display:flex;flex-direction:column}
.tl-row{display:flex;gap:14px;padding:12px 4px;border-bottom:1px dashed var(--line);align-items:center}
.tl-row:last-child{border-bottom:0}
.tl-date{flex:none;width:86px;text-align:center;background:var(--bg);border-radius:10px;padding:8px 4px;font-weight:700;font-size:13px}
.tl-date small{display:block;font-weight:500;color:var(--muted);font-size:11px}
.empty{padding:36px 20px;text-align:center;color:var(--muted)}
.empty .big{font-size:40px;margin-bottom:8px}

/* ---------- Credit card visual ---------- */
.cc{background:linear-gradient(135deg,var(--cc1,#0F2A43),var(--cc2,#1d4e5f));border-radius:18px;color:#fff;padding:20px;position:relative;overflow:hidden;box-shadow:0 10px 28px rgba(15,42,67,.25);display:flex;flex-direction:column;gap:10px;min-height:230px}
.cc::before{content:'';position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.07);right:-60px;top:-60px}
.cc::after{content:'';position:absolute;width:140px;height:140px;border-radius:50%;background:rgba(255,255,255,.05);right:40px;bottom:-50px}
.cc-top{display:flex;justify-content:space-between;align-items:center;z-index:1}
.cc-bank{font-weight:800;font-size:16px;letter-spacing:.4px}
.cc-type{font-size:12px;font-weight:700;background:rgba(255,255,255,.2);padding:4px 12px;border-radius:999px}
.cc-name{font-size:13px;opacity:.85;z-index:1}
.cc-num{font-family:var(--font-display);font-size:21px;letter-spacing:3px;z-index:1}
.cc-meta{display:flex;gap:18px;z-index:1;font-size:12px}
.cc-meta small{display:block;opacity:.7;font-size:10.5px;text-transform:uppercase;letter-spacing:.6px}
.cc-meta b{font-size:14px}
.cc-foot{background:var(--card);border-radius:0 0 18px 18px;margin:0 -0px;padding:14px 18px;border:1px solid var(--line);border-top:0}
.cc-wrap{border-radius:18px;overflow:hidden;box-shadow:var(--shadow);background:var(--card);border:1px solid rgba(227,234,242,.7);display:flex;flex-direction:column}
.util-bar{height:8px;background:var(--bg);border-radius:99px;overflow:hidden;margin-top:6px}
.util-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--green),var(--amber));transition:width .4s}
.util-bar.hot i{background:linear-gradient(90deg,var(--amber),var(--red))}
.kv{display:flex;justify-content:space-between;font-size:13px;padding:5px 0;border-bottom:1px dashed var(--line)}
.kv:last-child{border-bottom:0}
.kv span{color:var(--muted)} .kv b{font-weight:700}
.card-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:10px}
.hist{font-size:12.5px;color:var(--muted);margin-top:10px}
.hist div{padding:3px 0}

/* ---------- Modal ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(15,42,67,.55);backdrop-filter:blur(3px);display:none;align-items:center;justify-content:center;z-index:100;padding:16px}
.modal-backdrop.open{display:flex}
.modal{background:#fff;border-radius:20px;max-width:640px;width:100%;max-height:92vh;overflow-y:auto;padding:24px;animation:pop .22s ease}
.modal-sm{max-width:440px}
@keyframes pop{from{opacity:0;transform:scale(.96) translateY(8px)}to{opacity:1;transform:none}}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.modal-head h3{font-size:19px}
.modal-x{border:0;background:var(--bg);width:34px;height:34px;border-radius:50%;cursor:pointer;font-size:15px;color:var(--muted)}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}
.privacy-body h4{font-size:16px;margin:14px 0 8px;color:var(--teal-dark,#0c6e64)}
.privacy-body h4:first-child{margin-top:0}
.privacy-lead{background:#f0fdfa;border:1px solid #bfe8e2;border-radius:12px;padding:12px 14px;margin:0 0 10px;line-height:1.55}
.privacy-list{margin:0 0 6px;padding-left:20px;line-height:1.6}
.privacy-list li{margin-bottom:6px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:560px){.form-grid{grid-template-columns:1fr}}
.form-row{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin:12px 0}
.form-row label{flex:1;min-width:180px}
.loan-preview{background:var(--blue-bg);border-radius:12px;padding:12px 16px;margin-top:12px;font-size:14px}

/* ---------- Plan ---------- */
.strat-list{margin:0 0 14px 18px;font-size:14px}
.strat-list li{margin-bottom:6px}
.plan-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}
@media(max-width:640px){.plan-cards{grid-template-columns:1fr}}
.plan-card{border-radius:14px;padding:18px;border:2px solid var(--line)}
.plan-card.win{border-color:var(--green);background:var(--green-bg)}
.plan-card h4{font-family:var(--font-display);font-size:18px;margin-bottom:8px}
.plan-card .big{font-family:var(--font-display);font-size:26px;font-weight:800}

/* ---------- Toast ---------- */
.toast-wrap{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:10px;z-index:200}
.toast{background:var(--navy);color:#fff;padding:13px 20px;border-radius:12px;font-weight:600;box-shadow:0 8px 24px rgba(0,0,0,.25);animation:slidein .25s ease;max-width:320px}
.toast.ok{background:var(--green)} .toast.err{background:var(--red)}
@keyframes slidein{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}

/* ---------- Footer / misc ---------- */
.footer{text-align:center;color:var(--muted);font-size:13px;padding:26px 16px 40px}
.nn-sig{background:linear-gradient(135deg,#0b7f78,#12b3a6);border-radius:24px;padding:28px;color:#fff;box-shadow:0 8px 24px rgba(10,90,78,.25);margin:8px 0 26px;text-align:left}
.nn-sig-top{display:flex;gap:16px;align-items:center}
.nn-sig-av{width:62px;height:62px;border-radius:50%;background:rgba(255,255,255,.18);border:2px solid rgba(255,255,255,.65);display:grid;place-items:center;font-weight:800;font-size:20px;flex:none;letter-spacing:1px}
.nn-sig-name{font-weight:800;font-size:20px}
.nn-sig-role{opacity:.93;font-size:13.5px;margin-top:4px;line-height:1.5}
.nn-sig-slogan{margin:18px 0 2px;font-size:15px;font-weight:700;background:rgba(255,255,255,.13);border:1px dashed rgba(255,255,255,.55);border-radius:14px;padding:12px 16px;text-align:center;letter-spacing:.3px}
.nn-sig-contact{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:16px;font-size:14.5px;font-weight:700;align-items:center}
.nn-sig-phone{color:#fff;background:rgba(0,0,0,.20);padding:10px 20px;border-radius:999px;text-decoration:none}
.nn-sig-phone:hover{background:rgba(0,0,0,.30)}
.nn-sig-social{opacity:.92;font-weight:600;color:#fff;text-decoration:none}
.nn-sig-social:hover{text-decoration:underline}
@media(max-width:560px){.nn-sig{padding:22px}.nn-sig-name{font-size:18px}}
.nn-donate{display:flex;gap:20px;align-items:center;background:#fffdf6;border:2px dashed #d9a441;border-radius:24px;padding:22px;margin:0 0 26px;text-align:left;box-shadow:0 8px 24px rgba(217,164,65,.18)}
.nn-donate-text{flex:1}
.nn-donate-title{font-weight:800;font-size:18px;color:#9a6b00;margin-bottom:8px}
.nn-donate-text p{margin:0 0 10px;line-height:1.6;color:var(--ink);font-size:14px}
.nn-donate-bank{font-size:13.5px;color:var(--muted)}
.nn-donate-bank b{color:var(--ink);letter-spacing:1px}
.nn-donate-qr{width:150px;height:150px;object-fit:cover;border-radius:16px;flex:none;border:1px solid var(--line)}
.nn-copy{margin-top:14px;font-size:12.5px}
@media(max-width:560px){.nn-donate{flex-direction:column;text-align:center}.nn-donate-qr{width:170px;height:170px}}
.disclaimer{border-left:5px solid var(--amber)}
#late-result{margin-top:12px}
.late-line{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--line);font-size:14px}
.late-line.total{font-weight:800;font-size:16px;color:var(--red);border-bottom:0}

/* Ưu đãi hoàn tiền */
.cb-head-row{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.cb-head-row h3{margin:0}
.cb-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.cb-item{border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin-bottom:10px;background:#fff}
.cb-item-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:6px}
.cb-item-top b{font-size:15px}
.cb-rate{background:#e8f7f0;color:#0d7a4f;font-weight:800;font-size:12px;padding:4px 12px;border-radius:20px;white-space:nowrap}
.cb-meta{font-size:13px;color:var(--muted);margin:3px 0}
.cb-meta b{color:var(--ink);font-weight:600}
.cb-note{font-size:13px;color:var(--ink);background:#fffbe8;border:1px dashed #e3c878;border-radius:10px;padding:8px 10px;margin-top:8px}
.cb-item-btns{display:flex;gap:6px;margin-top:8px}
.cb-desc{font-size:13.5px;color:var(--muted);line-height:1.55;margin:2px 0 4px;white-space:pre-wrap}
.cb-empty{text-align:center;color:var(--muted);padding:18px 10px;font-size:14px}
@media(max-width:760px){.cb-head-row{align-items:flex-start;flex-direction:column}}

/* ---- Màn hình đăng nhập / đăng ký ---- */
#auth-screen{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0E7C6B,#095a4e);padding:16px;overflow-y:auto}
#auth-screen.hidden{display:none}
.auth-card{background:#fff;border-radius:20px;padding:28px 26px;width:100%;max-width:400px;box-shadow:0 20px 60px rgba(0,0,0,.25);margin:auto}
.auth-brand{font-size:30px;font-weight:800;color:var(--brand);text-align:center;letter-spacing:.3px}
.auth-sub{text-align:center;color:var(--muted);font-size:13.5px;margin:8px 0 18px;line-height:1.55}
.auth-tabs{display:flex;background:#eef4f2;border-radius:12px;padding:4px;margin-bottom:16px}
.auth-tab{flex:1;border:0;background:transparent;padding:10px;border-radius:9px;font-weight:700;font-size:14px;color:var(--muted);cursor:pointer;font-family:var(--font-body)}
.auth-tab.active{background:#fff;color:var(--brand);box-shadow:0 2px 8px rgba(0,0,0,.1)}
.auth-form label{display:block;margin-bottom:12px;font-size:13.5px;font-weight:600;color:var(--ink)}
.auth-form input{margin-top:6px}
.auth-err{color:#E5484D;font-size:13px;min-height:20px;margin:2px 0 8px}
.auth-link{font-size:13.5px;color:var(--brand);font-weight:600;text-decoration:none}
.auth-link:hover{text-decoration:underline}
.btn-block{width:100%}
.account-chip{display:inline-flex;align-items:center;gap:6px;color:#fff;font-size:13.5px;background:rgba(255,255,255,.16);padding:8px 13px;border-radius:999px;max-width:190px;overflow:hidden;white-space:nowrap}
.account-chip b{overflow:hidden;text-overflow:ellipsis}
.auth-card{position:relative}
.auth-close{position:absolute;top:10px;right:12px;border:0;background:#f1f5f4;width:32px;height:32px;border-radius:50%;font-size:15px;color:var(--muted);cursor:pointer;line-height:1}
.auth-close:hover{background:#e2e8e6;color:var(--ink)}
#auth-buttons{display:inline-flex;gap:8px;align-items:center}
#user-buttons{display:inline-flex;gap:8px;align-items:center}