/* AdamSaku Payment — Modern Formal Design System
 * ------------------------------------------------
 * Light, professional, bank-grade payment aesthetic.
 * All colors are semantic tokens. All icons are SVG (no emoji).
 */

:root{
  --brand:#4f46e5;
  --brand-2:#6366f1;
  --brand-soft:#eef2ff;
  --brand-ink:#3730a3;

  --bg:#f6f7fb;
  --bg-2:#eef1f7;
  --surface:#ffffff;
  --surface-2:#f9fafc;
  --text:#0f172a;
  --text-2:#475569;
  --muted:#94a3b8;
  --line:#e5e7eb;
  --line-2:#eef0f4;

  --success:#059669;
  --success-soft:#d1fae5;
  --warn:#d97706;
  --warn-soft:#fef3c7;
  --danger:#dc2626;
  --danger-soft:#fee2e2;

  --shadow-sm:0 1px 2px rgba(15,23,42,.04),0 1px 3px rgba(15,23,42,.05);
  --shadow-md:0 4px 12px rgba(15,23,42,.06),0 2px 4px rgba(15,23,42,.04);
  --shadow-lg:0 20px 40px -20px rgba(15,23,42,.18),0 8px 20px -8px rgba(15,23,42,.08);
  --radius-sm:8px;
  --radius:12px;
  --radius-lg:16px;
  --radius-xl:20px;
  --radius-2xl:24px;
  --ease:cubic-bezier(.2,.8,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  min-height:100dvh;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
img,svg{display:block;max-width:100%}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
.hidden{display:none!important}

/* ── Utilities ── */
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.pay-shell{max-width:540px;margin:0 auto;padding:0 16px}
.flex{display:flex}
.between{justify-content:space-between}
.items-center{align-items:center}
.gap-1{gap:4px}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}
.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mt-8{margin-top:32px}
.mb-1{margin-bottom:4px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.mb-8{margin-bottom:32px}
.text-xs{font-size:12px}.text-sm{font-size:13px}.text-base{font-size:15px}.text-lg{font-size:17px}
.text-muted{color:var(--text-2)}
.text-faint{color:var(--muted)}
.text-brand{color:var(--brand)}
.text-success{color:var(--success)}
.text-danger{color:var(--danger)}
.font-semi{font-weight:600}
.font-bold{font-weight:700}
.font-mono{font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace}

/* ── Header (app / landing) ── */
.topbar{
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line-2);
  position:sticky;top:0;z-index:40;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1100px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;font-size:16px}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;display:grid;place-items:center;font-weight:800;
  box-shadow:0 4px 12px -4px rgba(79,70,229,.55);
}
.top-nav{display:flex;align-items:center;gap:6px}
.top-nav a{padding:8px 12px;border-radius:10px;color:var(--text-2);font-size:14px;font-weight:500;transition:all .2s var(--ease)}
.top-nav a:hover{color:var(--text);background:var(--bg-2)}

/* ── Cards ── */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm)}
.card-pad{padding:20px}
.card-pad-lg{padding:28px}
.card-title{font-weight:700;font-size:16px;color:var(--text)}
.card-sub{color:var(--text-2);font-size:13px}
.card-elev{box-shadow:var(--shadow-md)}

/* ── Buttons ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:12px;font-weight:600;font-size:14px;
  transition:all .2s var(--ease);border:1px solid transparent;line-height:1;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 4px 12px -4px rgba(79,70,229,.55)}
.btn-primary:hover{background:var(--brand-ink);transform:translateY(-1px);box-shadow:0 6px 16px -4px rgba(79,70,229,.65)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:var(--surface);border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-ghost{color:var(--text-2)}
.btn-ghost:hover{background:var(--bg-2);color:var(--text)}
.btn-success{background:var(--success);color:#fff}
.btn-success:hover{background:#047857}
.btn-danger{background:var(--danger);color:#fff}
.btn-block{width:100%;display:flex}
.btn-lg{padding:14px 20px;font-size:15px;border-radius:14px}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}

/* ── Pills / badges ── */
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:600;letter-spacing:.01em}
.pill-brand{background:var(--brand-soft);color:var(--brand-ink)}
.pill-success{background:var(--success-soft);color:var(--success)}
.pill-warn{background:var(--warn-soft);color:var(--warn)}
.pill-danger{background:var(--danger-soft);color:var(--danger)}
.pill-muted{background:var(--bg-2);color:var(--text-2)}

/* ── Order code ── */
.order-code{font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;font-size:12px;color:var(--text-2);word-break:break-all}

/* ── Payment stepper ── */
.pay-steps{display:flex;gap:6px;margin:0 auto 20px;max-width:280px}
.pay-step{flex:1;height:4px;border-radius:999px;background:var(--line-2);transition:background .3s}
.pay-step.is-active{background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.pay-step.is-done{background:var(--success)}

/* ── Summary ── */
.pay-summary{
  background:linear-gradient(135deg,var(--brand-soft),#fdf4ff);
  border:1px solid var(--line-2);border-radius:var(--radius-lg);
  padding:16px 18px;display:flex;justify-content:space-between;align-items:center;
}
.pay-summary .lbl{font-size:11px;color:var(--text-2);text-transform:uppercase;letter-spacing:.5px;font-weight:600}
.pay-summary .val{font-size:24px;font-weight:800;color:var(--brand-ink);margin-top:4px}
.feature-icon{width:44px;height:44px;border-radius:12px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand)}

/* ── Method grid ── */
.method-grid{display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:520px){.method-grid{grid-template-columns:1fr 1fr}}
.method-card{
  display:flex;align-items:center;gap:12px;padding:14px 16px;text-align:left;
  background:var(--surface);border:1.5px solid var(--line);border-radius:14px;
  transition:all .2s var(--ease);width:100%;
}
.method-card:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.method-ico{
  width:44px;height:44px;border-radius:11px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;flex-shrink:0;
}
.method-name{font-weight:600;font-size:14px;color:var(--text)}
.method-sub{font-size:12px;color:var(--text-2)}

/* ── Transaction (QR / VA / countdown) ── */
.qr-wrap{display:flex;flex-direction:column;align-items:center;gap:14px;padding:8px 0 20px}
.qr-wrap img{border-radius:16px;border:6px solid var(--surface);box-shadow:0 4px 20px -4px rgba(0,0,0,.08);background:#fff}
.va-wrap{padding:8px 0 4px}
.va-row{display:flex;align-items:center;gap:10px;background:var(--bg-2);border:1px solid var(--line);border-radius:14px;padding:14px}
.va-number{flex:1;font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;font-size:18px;font-weight:700;letter-spacing:.5px;color:var(--text);word-break:break-all}
.total-row{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:var(--bg-2);border-radius:12px;margin-top:16px}
.total-row .l{font-size:13px;color:var(--text-2);font-weight:500}
.total-row .r{font-size:18px;font-weight:800;color:var(--brand-ink)}
.countdown{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:14px;padding:10px 14px;background:var(--warn-soft);color:var(--warn);border-radius:10px;font-size:13px;font-weight:600}
.countdown .num{font-family:ui-monospace,monospace;font-size:16px;font-weight:800;letter-spacing:.5px}

/* ── Result screen ── */
.result{text-align:center;padding:40px 20px}
.result h2{font-size:22px;font-weight:800;margin-top:16px}
.result p{margin-top:8px;color:var(--text-2);font-size:14px}
.result-ico{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;margin:0 auto}
.result-ico.ok{background:var(--success-soft);color:var(--success)}
.result-ico.bad{background:var(--danger-soft);color:var(--danger)}
.result-ico.warn{background:var(--warn-soft);color:var(--warn)}

/* ── Spinner ── */
.spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:sp 1s linear infinite}
.spinner.dark{border-color:var(--line);border-top-color:var(--brand)}
@keyframes sp{to{transform:rotate(360deg)}}

/* ── Form controls (sign-in) ── */
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:12px;font-weight:600;color:var(--text-2)}
.field input,.field select,.field textarea{
  padding:11px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);
  transition:border-color .15s,box-shadow .15s;width:100%;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 4px rgba(79,70,229,.12)}
.tab-row{display:flex;background:var(--bg-2);border-radius:12px;padding:4px;gap:4px}
.tab-btn{flex:1;padding:9px 12px;border-radius:9px;font-size:13px;font-weight:600;color:var(--text-2);transition:all .2s}
.tab-btn.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}

/* ── Toast ── */
.toast-host{position:fixed;top:16px;right:16px;left:16px;z-index:100;display:flex;flex-direction:column;gap:10px;pointer-events:none}
@media(min-width:520px){.toast-host{left:auto;max-width:380px}}
.toast{
  pointer-events:auto;background:var(--surface);color:var(--text);border:1px solid var(--line);
  border-left:4px solid var(--brand);border-radius:12px;padding:12px 14px;
  box-shadow:var(--shadow-lg);display:flex;gap:10px;align-items:flex-start;
  animation:tin .3s var(--ease);
}
.toast.success{border-left-color:var(--success)}
.toast.error{border-left-color:var(--danger)}
.toast.warn{border-left-color:var(--warn)}
.toast .t{font-weight:600;font-size:13px}
.toast .m{font-size:12px;color:var(--text-2);margin-top:2px}
.toast .ic{flex-shrink:0;width:22px;height:22px;border-radius:6px;display:grid;place-items:center}
.toast.success .ic{background:var(--success-soft);color:var(--success)}
.toast.error   .ic{background:var(--danger-soft);color:var(--danger)}
.toast.warn    .ic{background:var(--warn-soft);color:var(--warn)}
.toast.info    .ic{background:var(--brand-soft);color:var(--brand)}
@keyframes tin{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* ── Bottom sheet dialog ── */
.sheet-mask{position:fixed;inset:0;background:rgba(15,23,42,.45);opacity:0;transition:opacity .25s var(--ease);z-index:90;backdrop-filter:blur(2px)}
.sheet-mask.on{opacity:1}
.sheet{
  position:fixed;left:0;right:0;bottom:0;background:var(--surface);border-radius:20px 20px 0 0;
  padding:20px 20px calc(20px + env(safe-area-inset-bottom));z-index:91;
  transform:translateY(100%);transition:transform .3s var(--ease);
  max-height:88vh;overflow-y:auto;box-shadow:0 -12px 40px rgba(0,0,0,.15);
}
.sheet.on{transform:translateY(0)}
@media(min-width:640px){
  .sheet{left:50%;right:auto;bottom:auto;top:50%;transform:translate(-50%,-40%);max-width:440px;width:calc(100% - 32px);border-radius:20px}
  .sheet.on{transform:translate(-50%,-50%)}
}
.sheet-handle{width:36px;height:4px;border-radius:2px;background:var(--line);margin:-6px auto 12px}
@media(min-width:640px){.sheet-handle{display:none}}
.sheet-title{font-size:17px;font-weight:700}
.sheet-body{font-size:14px;color:var(--text-2);margin-top:6px}
.sheet-actions{display:flex;gap:10px;margin-top:20px}
.sheet-actions .btn{flex:1}

/* ── Dashboard ── */
.dash-tabs{display:flex;gap:2px;overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:4px;margin-bottom:20px;scrollbar-width:none}
.dash-tabs::-webkit-scrollbar{display:none}
.dash-tab{padding:9px 14px;border-radius:10px;font-size:13px;font-weight:600;color:var(--text-2);white-space:nowrap;display:flex;align-items:center;gap:6px}
.dash-tab.active{background:var(--brand);color:#fff;box-shadow:0 4px 10px -2px rgba(79,70,229,.4)}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(min-width:640px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px}
.stat .l{font-size:11px;color:var(--text-2);text-transform:uppercase;letter-spacing:.5px;font-weight:600}
.stat .v{font-size:20px;font-weight:800;margin-top:4px;color:var(--text)}
.list-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--surface);margin-bottom:8px}
.list-row .m{min-width:0;flex:1}
.list-row .code{font-family:ui-monospace,monospace;font-size:12px;color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.list-row .amt{font-size:15px;font-weight:700;margin-top:2px}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-weight:700;display:grid;place-items:center;flex-shrink:0;object-fit:cover;overflow:hidden}
.avatar img{width:100%;height:100%;border-radius:50%;object-fit:cover}

/* ── Landing hero ── */
.hero{padding:60px 0 40px;text-align:center}
@media(min-width:768px){.hero{padding:100px 0 60px}}
.hero h1{font-size:34px;line-height:1.15;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,var(--text),#334155);-webkit-background-clip:text;background-clip:text;color:transparent}
@media(min-width:768px){.hero h1{font-size:52px}}
.hero .sub{margin-top:16px;font-size:16px;color:var(--text-2);max-width:600px;margin-left:auto;margin-right:auto}
.hero-cta{margin-top:28px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.features{display:grid;grid-template-columns:1fr;gap:16px;margin-top:60px}
@media(min-width:768px){.features{grid-template-columns:repeat(3,1fr)}}
.feature{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.feature h3{font-size:16px;margin-top:14px}
.feature p{margin-top:6px;font-size:13px;color:var(--text-2)}
.feature .ic{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center}

.footer{border-top:1px solid var(--line-2);margin-top:80px;padding:28px 0;text-align:center;color:var(--text-2);font-size:12px}

/* ── Empty / skeleton ── */
.empty{padding:40px 20px;text-align:center;color:var(--text-2)}
.skeleton{background:linear-gradient(90deg,var(--bg-2) 0%,#e8ecf1 50%,var(--bg-2) 100%);background-size:200% 100%;animation:sk 1.5s infinite;border-radius:12px;height:64px;margin-bottom:8px}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}