/* ══════════════════════════════════════════════════════════════
   STYLE2 — "KIOTVIET" · Giao diện người dùng (sáng / xanh dương + xanh lá + trắng, chữ đen)
   Tham khảo tông KiotViet: nền sáng, card trắng, primary xanh dương, nhấn xanh lá.
   Font: Be Vietnam Pro (nạp ở <head>).
   Giữ nguyên tên class + alias biến cũ để markup/style inline thích ứng.
   ══════════════════════════════════════════════════════════════ */
:root{
  /* Bảng màu KiotViet */
  --blue:#1570d1; --blue-dark:#0f5bb0; --blue-bright:#3b8ee0; --blue-soft:#e8f1fc;
  --green:#16a34a; --green-dark:#12833c; --green-soft:#e7f6ec;
  --bg:#eef2f7; --surface:#ffffff; --surface-2:#f6f8fb; --line:#e3e8ef;
  --text:#1f2937; --text-2:#5b6776; --text-3:#94a0b0;
  --danger:#e5484d; --danger-soft:#fdecec; --amber:#d98a2b; --amber-soft:#fdf2e3;
  --r:8px;
  /* Alias để CSS inline cũ (var(--seal)/--gilt/--paper…) vẫn chạy theo tông mới */
  --seal:var(--blue); --seal-deep:var(--blue-dark); --seal-bright:var(--blue-bright);
  --gilt:var(--green); --gilt-2:var(--green-dark); --jade:var(--green);
  --paper:#ffffff; --paper-2:#f6f8fb; --paper-line:var(--line);
  --ink:var(--bg); --ink-2:var(--surface); --ink-3:var(--surface-2);
  --ink-text:var(--text); --ink-soft:var(--text-2); --smoke:var(--text-2);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}

/* Bỏ trang trí tối kiểu thủy mặc (markup vẫn còn nhưng ẩn đi) */
.bg{position:fixed;inset:0;z-index:-3;background:
  radial-gradient(900px 500px at 12% 0%, #f4f8fd, transparent 60%),
  linear-gradient(180deg,#f1f5fa,#eef2f7);}
.grain{display:none}
.mountains{display:none}
.seal{display:none}

/* ── Bố cục 2 cột ── */
.shell{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}
@media(max-width:920px){.shell{grid-template-columns:1fr}}

/* ══ HERO TRÁI — panel xanh dương ══ */
.hero{position:relative;display:flex;flex-direction:column;justify-content:center;
  padding:64px clamp(32px,5vw,80px);
  background:linear-gradient(150deg,var(--blue) 0%,var(--blue-dark) 55%,#0c4a8f 100%);
  color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,163,74,.35),transparent 70%);pointer-events:none}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:12px;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:#bfe0c9;margin-bottom:22px}
.eyebrow .tick{width:28px;height:2px;background:#8fd6a8;border-radius:2px}
.brand{font-family:inherit;font-weight:800;line-height:1.02;
  font-size:clamp(40px,6.4vw,76px);letter-spacing:-.01em;margin:0;color:#fff;
  background:none;-webkit-text-fill-color:#fff}
.brand .l2{display:block;color:#cfe6ff;-webkit-text-fill-color:#cfe6ff;background:none}
.tagline{font-family:inherit;font-style:normal;font-weight:400;
  font-size:clamp(15px,1.4vw,18px);color:#dbe9fb;margin:18px 0 0;max-width:38ch;line-height:1.6}
.rule{height:3px;width:64px;margin:26px 0;background:#5cc983;border-radius:3px}
.feats{display:flex;flex-direction:column;gap:14px;max-width:36ch}
.feat{display:flex;align-items:center;gap:14px;color:#eaf2fc;font-size:14.5px}
.feat .gi{flex:0 0 40px;width:40px;height:40px;border:1px solid rgba(255,255,255,.25);
  border-radius:10px;display:grid;place-items:center;font-size:18px;
  background:rgba(255,255,255,.12);color:#fff}
.feat b{color:#fff;font-weight:600;display:block}
.feat span{display:block;font-size:12.5px;color:#bcd3ee}

/* ══ CỘT FORM PHẢI ══ */
.auth{display:flex;align-items:center;justify-content:center;padding:48px clamp(20px,3vw,52px);background:var(--bg)}
.card{position:relative;width:min(440px,100%);
  background:var(--surface);
  border:1px solid var(--line);border-radius:14px;
  box-shadow:0 18px 50px -28px rgba(20,60,110,.4);
  padding:36px 34px 32px;color:var(--text)}
.card::before{display:none}
.card-eye{font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.card-title{font-family:inherit;font-weight:800;font-size:27px;margin:6px 0 4px;color:var(--text);line-height:1.15}
.card-sub{font-size:13.5px;color:var(--text-2);margin:0 0 22px}

.field{margin-bottom:15px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--text-2);margin-bottom:6px}
.field .wrap{position:relative}
.field .ic{position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:15px;opacity:.55}
.field input{width:100%;padding:12px 14px;font-size:15px;font-family:inherit;
  color:var(--text);background:#fff;border:1px solid var(--line);border-radius:var(--r);outline:none;
  transition:border-color .15s,box-shadow .15s}
.field .wrap input{padding-left:40px}
.field input::placeholder{color:#9aa6b6}
.field input:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}

.btn2{width:100%;margin-top:8px;padding:13px 18px;border:none;border-radius:var(--r);cursor:pointer;
  font-family:inherit;font-size:15px;font-weight:700;letter-spacing:.01em;color:#fff;
  background:var(--blue);
  box-shadow:0 8px 18px -8px rgba(21,112,209,.6);
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  transition:background .15s,transform .06s}
.btn2:hover{background:var(--blue-dark)}
.btn2:active{transform:translateY(1px)}
.btn2[disabled]{opacity:.55;cursor:not-allowed}

.alt{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:18px;font-size:13px}
.alt a{color:var(--blue);text-decoration:none;font-weight:600}
.alt a:hover{text-decoration:underline}
.alt .reg{color:var(--text-2);font-weight:500}
.divp{display:flex;align-items:center;gap:12px;margin:22px 0 16px;color:var(--text-3);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.divp::before,.divp::after{content:"";flex:1;height:1px;background:var(--line)}
.age{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--text-2);justify-content:center}
.age b{color:var(--blue)}

/* Hộp lỗi */
.err2{background:var(--danger-soft);border:1px solid #f3b4b6;
  color:#b4262b;border-radius:var(--r);padding:10px 13px;margin-bottom:16px;font-size:13px}
.err2 p{margin:3px 0}

/* Spinner trắng cho nút xanh */
.spin2{display:inline-block;width:15px;height:15px;border:2px solid rgba(255,255,255,.45);
  border-top-color:#fff;border-radius:50%;animation:sp2 .7s linear infinite}
@keyframes sp2{to{transform:rotate(360deg)}}

@media(max-width:920px){
  .hero{padding:44px 28px;align-items:flex-start}
  .brand{font-size:clamp(34px,10vw,52px)}
  .feats{max-width:none}
  .auth{padding:24px 20px 44px}
}
@media(max-width:480px){
  .field input{font-size:16px}
  .card{padding:26px 20px 24px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ══════════════════════════════════════════════════════════════
   APP PAGES (đã đăng nhập): profile / donate / support / invoice
   Header trắng + panel trắng trên nền sáng. body.app dùng chung.
   ══════════════════════════════════════════════════════════════ */
.app-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:16px;
  padding:0 clamp(16px,3vw,28px);height:60px;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:0 1px 8px rgba(20,60,110,.05)}
.app-brand{font-family:inherit;font-weight:800;font-size:18px;letter-spacing:-.01em;
  color:var(--blue);text-decoration:none;white-space:nowrap}
.app-nav{display:flex;gap:4px;flex-wrap:wrap;align-items:center}
.app-nav a{padding:7px 14px;border-radius:99px;font-size:13px;font-weight:600;color:var(--text-2);text-decoration:none;border:1px solid transparent;transition:.15s}
.app-nav a:hover{background:var(--surface-2);color:var(--blue)}
.app-nav a.active{background:var(--blue-soft);border-color:#cfe2f7;color:var(--blue-dark)}
.app-spacer{margin-left:auto}
.app-user{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-2);white-space:nowrap}
.app-user strong{color:var(--text)}
.app-user a.logout{color:var(--blue);text-decoration:none;font-weight:600}
.app-user a.logout:hover{text-decoration:underline}
.app-wrap{max-width:1040px;margin:0 auto;padding:24px clamp(14px,3vw,24px) 36px}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:18px;box-shadow:0 10px 30px -22px rgba(20,60,110,.35)}
.panel-pad{padding:6px clamp(16px,2.5vw,26px) 26px}
.panel-head{padding:18px clamp(16px,2.5vw,26px) 0}
.panel-head .eyebrow2{font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}
.panel-head h2{font-family:inherit;font-weight:800;font-size:22px;margin:5px 0 0;color:var(--text);line-height:1.15}
.rule2{height:1px;background:var(--line);margin:12px 0 0}

.sec-title{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--blue);margin:22px 0 10px;padding-bottom:6px;border-bottom:1px solid var(--line);font-weight:700}
.info-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.info-row:last-child{border-bottom:none}
.info-lbl{font-size:13px;color:var(--text-2);flex-shrink:0;min-width:110px}
.info-val{font-size:14px;color:var(--text);font-weight:500;text-align:right;word-break:break-all}
.info-val.empty{color:var(--text-3);font-style:italic}

.badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:600}
.badge-ok{background:var(--green-soft);border:1px solid #b6e3c5;color:var(--green-dark)}
.badge-warn{background:var(--amber-soft);border:1px solid #f0d2a0;color:#a96a16}
.badge-no{background:var(--danger-soft);border:1px solid #f3b4b6;color:#b4262b}

.app-table{width:100%;border-collapse:collapse;font-size:13px}
.app-table th{text-align:left;padding:10px 12px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--text-2);background:var(--surface-2);border-bottom:1px solid var(--line)}
.app-table td{padding:11px 12px;border-bottom:1px solid var(--line);color:var(--text)}
.app-table tr:last-child td{border-bottom:none}
.app-table tr:hover td{background:var(--blue-soft)}

.tabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:22px;overflow-x:auto}
.tab-btn{flex:0 0 auto;padding:12px 18px;font-size:13px;font-weight:600;cursor:pointer;border:none;background:transparent;color:var(--text-2);border-bottom:2px solid transparent;transition:.2s;white-space:nowrap;font-family:inherit;display:flex;align-items:center;gap:6px}
.tab-btn:hover{color:var(--text)}
.tab-btn.active{color:var(--blue);border-bottom-color:var(--blue)}
.tab-content{display:none}.tab-content.active{display:block;animation:fadeTab .2s ease}
@keyframes fadeTab{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.app-field{margin-bottom:14px}
.app-field label{display:block;font-size:12.5px;font-weight:600;color:var(--text-2);margin-bottom:7px}
.app input[type=text],.app input[type=email],.app input[type=tel],.app input[type=date],.app input[type=password],.app textarea,.app select{
  width:100%;box-sizing:border-box;padding:11px 14px;border-radius:var(--r);border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:15px;font-family:inherit;outline:none;transition:border-color .15s,box-shadow .15s}
.app input::placeholder,.app textarea::placeholder{color:#9aa6b6}
.app input:focus,.app textarea:focus,.app select:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.grid2c{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:600px){.grid2c{grid-template-columns:1fr}}

.act-link{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:99px;font-size:13px;font-weight:600;
  background:var(--blue-soft);border:1px solid #cfe2f7;color:var(--blue-dark);text-decoration:none;cursor:pointer;transition:.15s;font-family:inherit}
.act-link:hover{background:#d8e8fa;border-color:var(--blue)}
.act-link.danger{background:var(--danger-soft);border-color:#f3b4b6;color:#b4262b}
.act-link.danger:hover{background:#fbdcdc}

.coin-banner{display:flex;align-items:center;gap:14px;flex-wrap:wrap;background:linear-gradient(135deg,var(--blue-soft),var(--green-soft));border:1px solid #cfe2f7;border-radius:12px;padding:16px 20px;margin-bottom:18px}
.coin-icon{font-size:30px}
.coin-val{font-family:inherit;font-size:28px;font-weight:800;color:var(--blue-dark)}
.coin-lbl{font-size:12px;color:var(--text-2);margin-top:2px}

.phone-section{background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:18px;margin-top:8px}
.phone-current{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.phone-num{font-size:18px;font-weight:700;color:var(--blue-dark);letter-spacing:1px}
.phone-form{display:flex;gap:10px;flex-wrap:wrap}
.phone-form input[type=tel]{flex:1;min-width:0}
.reverify-alert{display:flex;gap:12px;align-items:flex-start;background:var(--amber-soft);border:1px solid #f0d2a0;border-radius:10px;padding:14px 16px;font-size:13px;color:#8a5a1c;line-height:1.7;margin-bottom:16px}
.reverify-alert .ra-icon{font-size:20px;flex-shrink:0}

.notif2{background:var(--green-soft);border:1px solid #b6e3c5;color:var(--green-dark);border-radius:var(--r);padding:10px 14px;margin-bottom:16px;font-size:13px}
.app-foot{text-align:center;color:var(--text-3);font-size:12px;padding:18px 0 4px}
.pass-strength{display:flex;gap:4px;margin-top:6px}
.pass-strength span{flex:1;height:4px;border-radius:99px;background:var(--line);transition:.3s}
.ps-weak span:nth-child(-n+1){background:var(--danger)}.ps-fair span:nth-child(-n+2){background:var(--amber)}.ps-good span:nth-child(-n+3){background:var(--blue)}.ps-strong span{background:var(--green)}

@media(max-width:768px){.app-header{height:auto;flex-wrap:wrap;padding:10px 14px;gap:10px}.app-nav{order:3;width:100%;justify-content:flex-start}.app-user{order:2;margin-left:auto}.app input{font-size:16px}}
