/* styles.css — คัดจาก design/mockup.html (design system ของแอป) */
:root{
  --bg:#f5f5f7;--surface:#ffffff;--surface-2:#f5f5f7;--border:#e8e8ed;--border-strong:#d2d2d7;
  --text:#1d1d1f;--text2:#6e6e73;--text3:#86868b;
  --accent:#1a7d4c;--accent-hover:#146340;--accent-soft:#eff8f3;--accent-line:#aedcc1;--on-accent:#ffffff;
  --danger:#c8102e;--danger-soft:#fdecef;--warning:#b25000;--warning-soft:#fdf1e7;
  --c1:#1a7d4c;--c2:#0a6cbe;--c3:#b25000;--c4:#00808f;--c5:#6a4bbc;
  --knob:#ffffff;--nav-bg:rgba(255,255,255,.82);--cam:#1d1d1f;--paper:#ffffff;--paper-ink:#1d1d1f;
  --shadow-sm:0 1px 2px rgba(0,0,0,.05);--shadow-lg:0 12px 40px rgba(0,0,0,.10);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Inter","Noto Sans Thai","Sarabun","Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.25,.1,.25,1);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#000000;--surface:#1c1c1e;--surface-2:#2c2c2e;--border:#3a3a3c;--border-strong:#48484a;
  --text:#f5f5f7;--text2:#a1a1a6;--text3:#86868b;
  --accent:#4cc38a;--accent-hover:#7cc59d;--accent-soft:#0b3a26;--accent-line:#146340;--on-accent:#042315;
  --danger:#ff6961;--danger-soft:#3a1d1f;--warning:#ffb340;--warning-soft:#3a2a12;
  --c1:#4cc38a;--c2:#5ab0f5;--c3:#f0a24a;--c4:#4fc9d6;--c5:#b09aef;
  --nav-bg:rgba(28,28,30,.82);
}}
:root[data-theme="dark"]{
  --bg:#000000;--surface:#1c1c1e;--surface-2:#2c2c2e;--border:#3a3a3c;--border-strong:#48484a;
  --text:#f5f5f7;--text2:#a1a1a6;--text3:#86868b;
  --accent:#4cc38a;--accent-hover:#7cc59d;--accent-soft:#0b3a26;--accent-line:#146340;--on-accent:#042315;
  --danger:#ff6961;--danger-soft:#3a1d1f;--warning:#ffb340;--warning-soft:#3a2a12;
  --c1:#4cc38a;--c2:#5ab0f5;--c3:#f0a24a;--c4:#4fc9d6;--c5:#b09aef;
  --nav-bg:rgba(28,28,30,.82);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
.num{font-variant-numeric:tabular-nums;font-family:"Inter",var(--font)}
.app{max-width:430px;margin:0 auto;min-height:100%;position:relative;background:var(--bg);overflow-x:hidden}
.screen{display:none;padding:12px 20px 110px;min-height:100vh}
.screen.active{display:block}
.top{display:flex;align-items:center;justify-content:space-between;padding:8px 0 20px}
.top h1{font-size:28px;font-weight:600;line-height:1.28}
.muted{color:var(--text2)}.faint{color:var(--text3)}
.sm{font-size:15px}.xs{font-size:13px}
.icon-btn{width:44px;height:44px;border-radius:980px;display:grid;place-items:center;color:var(--text2)}
.icon-btn:hover{background:var(--surface-2)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:var(--shadow-sm);margin-bottom:16px}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.sec-title{font-size:15px;font-weight:600;color:var(--text2);margin:28px 0 10px}
.btn{height:44px;padding:0 22px;border-radius:980px;font-weight:500;font-size:15px;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:background 160ms var(--ease)}
.btn-primary{background:var(--accent);color:var(--on-accent)}
.btn-primary:hover{background:var(--accent-hover)}
.btn-secondary{border:1px solid var(--accent);color:var(--accent)}
.btn-neutral{background:var(--surface-2);color:var(--text)}
.btn-block{width:100%}
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:980px;font-size:13px;font-weight:500}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.b-warn{background:var(--warning-soft);color:var(--warning)}
.b-ok{background:var(--accent-soft);color:var(--accent)}
.b-danger{background:var(--danger-soft);color:var(--danger)}
.bar{height:6px;border-radius:980px;background:var(--surface-2);overflow:hidden}
.bar>i{display:block;height:100%;background:var(--accent);border-radius:980px;transition:width 520ms var(--ease)}
.demo-note{font-size:13px;color:var(--text3);text-align:center;margin-top:24px}

/* ---------- lock ---------- */
#lock{display:none;flex-direction:column;align-items:center;justify-content:center;padding:40px 32px;text-align:center}
#lock.active{display:flex}
.lock-logo{width:64px;height:64px;border-radius:18px;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;margin-bottom:20px}
.dots{display:flex;gap:18px;margin:28px 0 36px}
.dots span{width:14px;height:14px;border-radius:50%;border:1.5px solid var(--text3);transition:background 160ms var(--ease)}
.dots span.on{background:var(--text);border-color:var(--text)}
.keypad{display:grid;grid-template-columns:repeat(3,76px);gap:16px 26px}
.key{width:76px;height:76px;border-radius:50%;background:var(--surface);border:1px solid var(--border);font-size:28px;font-family:"Inter",var(--font)}
.key:active{background:var(--surface-2)}
.key.ghost{background:none;border:0;font-size:15px;color:var(--accent)}

/* ---------- home ---------- */
.balance-label{font-size:15px;color:var(--text2)}
.balance{font-size:44px;font-weight:600;line-height:1.1;letter-spacing:-.015em;margin:4px 0 18px}
.io{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.io div{background:var(--surface-2);border-radius:12px;padding:12px 14px}
.io b{display:block;font-size:19px;font-weight:600}
.io .io-in{background:var(--accent-soft)}.io .io-in b{color:var(--accent)}
.io .io-out{background:var(--danger-soft)}.io .io-out b{color:var(--danger)}
.due{border-left:3px solid var(--warning)}
.list-item{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid var(--border)}
.list-item:last-child{border-bottom:0}
.cat{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;background:var(--surface-2);color:var(--text2)}
.list-item .grow{flex:1;min-width:0}
.list-item .t{font-size:17px;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.amt{font-weight:500;text-align:right;white-space:nowrap}
.amt.in{color:var(--accent)}
.tag-scan{font-size:11px;color:var(--accent);background:var(--accent-soft);padding:1px 8px;border-radius:980px;margin-left:4px;vertical-align:2px}

/* ---------- transactions ---------- */
.seg{display:grid;grid-template-columns:repeat(3,1fr);background:var(--surface-2);border-radius:10px;padding:3px;margin-bottom:16px}
.seg button{height:34px;border-radius:8px;font-size:15px;color:var(--text2)}
.seg button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm);font-weight:500}
.stack{display:flex;height:10px;border-radius:980px;overflow:hidden;gap:2px;margin:14px 0 12px}
.legend{display:flex;flex-direction:column;gap:6px}
.legend div{display:flex;align-items:center;gap:8px;font-size:15px}
.legend i{width:10px;height:10px;border-radius:3px}
.legend span:last-child{margin-left:auto}
.day{font-size:13px;color:var(--text3);margin:18px 0 0}

/* ---------- scan ---------- */
#scan{background:var(--cam);color:#f5f5f7;padding:0;position:relative;overflow:hidden}
.cam-top{display:flex;justify-content:space-between;align-items:center;padding:12px 16px}
.cam-top .icon-btn{color:#f5f5f7}
.viewfinder{position:relative;margin:8px auto 0;width:78%;aspect-ratio:3/4.3;display:grid;place-items:center}
.corner{position:absolute;width:34px;height:34px;border:3px solid #4cc38a}
.corner.tl{top:0;left:0;border-right:0;border-bottom:0;border-radius:14px 0 0 0}
.corner.tr{top:0;right:0;border-left:0;border-bottom:0;border-radius:0 14px 0 0}
.corner.bl{bottom:0;left:0;border-right:0;border-top:0;border-radius:0 0 0 14px}
.corner.br{bottom:0;right:0;border-left:0;border-top:0;border-radius:0 0 14px 0}
.receipt{width:74%;background:var(--paper);color:var(--paper-ink);padding:16px 14px 20px;font-size:11px;line-height:1.55;transform:rotate(-2deg);box-shadow:0 12px 40px rgba(0,0,0,.4);font-family:"Inter",var(--font)}
.receipt .c{text-align:center}
.receipt hr{border:0;border-top:1px dashed #86868b;margin:6px 0}
.receipt .r{display:flex;justify-content:space-between}
.scanline{position:absolute;left:6%;right:6%;height:2px;background:#4cc38a;box-shadow:0 0 12px #4cc38a;top:8%;opacity:0}
.scanning .scanline{animation:sweep 1.2s var(--ease) 2;opacity:1}
@keyframes sweep{0%{top:8%}50%{top:90%}100%{top:8%}}
.cam-hint{text-align:center;font-size:15px;color:#a1a1a6;margin:18px 0}
.cam-actions{display:flex;justify-content:space-around;align-items:center;padding:0 40px 32px}
.shutter{width:76px;height:76px;border-radius:50%;border:4px solid #f5f5f7;display:grid;place-items:center}
.shutter i{width:60px;height:60px;border-radius:50%;background:#f5f5f7;transition:transform 160ms var(--ease)}
.shutter:active i{transform:scale(.9)}
.cam-side{width:48px;height:48px;border-radius:12px;background:rgba(255,255,255,.12);display:grid;place-items:center;color:#f5f5f7}

.sheet-wrap{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;z-index:40}
.sheet-wrap.open{display:block}
.sheet{position:absolute;left:0;right:0;bottom:0;max-width:430px;margin:0 auto;background:var(--surface);color:var(--text);border-radius:24px 24px 0 0;padding:10px 20px 28px;box-shadow:var(--shadow-lg);transform:translateY(100%);transition:transform 280ms var(--ease);max-height:92vh;overflow-y:auto}
.sheet-wrap.open .sheet{transform:none}
.grab{width:36px;height:5px;border-radius:980px;background:var(--border-strong);margin:0 auto 14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--text2);margin-bottom:4px}
.input{height:44px;border:1px solid var(--border-strong);border-radius:12px;padding:0 14px;display:flex;align-items:center;justify-content:space-between;background:var(--surface)}
.input.big{height:56px;font-size:28px;font-weight:600}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.alert{border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:12px;padding:10px 14px;font-size:15px;margin-bottom:16px}
.alert.warn{border-color:var(--warning);background:var(--warning-soft)}

/* ---------- debt ---------- */
.debt-hero .big{font-size:40px;font-weight:600;line-height:1.1;letter-spacing:-.015em;margin:2px 0 6px}
.road{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:6px}
.step{border:1px solid var(--border);border-radius:12px;padding:8px 6px 8px;text-align:center;background:var(--surface);position:relative;min-height:66px}
.step .m{font-size:13px;color:var(--text2);line-height:1.3}
.step .a{font-size:13px;font-weight:500;margin-top:2px}
.step .n{position:absolute;top:4px;right:7px;font-size:11px;color:var(--text3)}
.step.now{border:2px solid var(--warning)}
.step.paid{background:var(--accent);border-color:var(--accent)}
.step.paid .m,.step.paid .a,.step.paid .n{color:var(--on-accent)}
.step.last{border-style:dashed}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin-bottom:6px}
.chip{height:34px;padding:0 14px;border-radius:980px;border:1px solid var(--border-strong);font-size:15px;white-space:nowrap;color:var(--text2)}
.chip.on{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.debt-row{padding:14px 0;border-bottom:1px solid var(--border)}
.debt-row:last-child{border-bottom:0}
.debt-row .bar{margin-top:8px}
.add-rate{font-size:13px;color:var(--warning)}

/* ---------- goals ---------- */
.goal{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center}
.ring{width:64px;height:64px}
.ring circle{fill:none;stroke-width:7}
.ring .bg{stroke:var(--surface-2)}
.ring .fg{stroke:var(--accent);stroke-linecap:round;transform:rotate(-90deg);transform-origin:center}
.ring text{font-size:15px;font-weight:600;fill:var(--text);font-family:"Inter",var(--font)}
.goal h3{font-size:19px;font-weight:600;line-height:1.3}
.goal .meta{display:flex;justify-content:space-between;font-size:13px;color:var(--text2);margin-top:6px}
.acct{display:flex;align-items:center;gap:12px;padding:10px 0}

/* ---------- recurring ---------- */
.back{display:inline-flex;align-items:center;gap:2px;color:var(--accent);font-size:17px;height:44px;margin-left:-6px}
.btn-sm{height:36px;padding:0 16px;font-size:15px}
.rec-hero .big{font-size:40px;font-weight:600;line-height:1.1;letter-spacing:-.015em;margin:2px 0 12px}
.days{display:flex;gap:6px;overflow-x:auto;padding:4px 2px 10px;scroll-snap-type:x proximity}
.dayc{flex:0 0 42px;height:60px;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;font-size:15px;color:var(--text2);background:var(--surface);border:1px solid var(--border);scroll-snap-align:start}
.dayc.today{border:2px solid var(--text);color:var(--text);font-weight:600}
.dayc .dd{display:flex;gap:3px;height:6px}
.dayc .dd i{width:6px;height:6px;border-radius:50%}
.d-paid{background:var(--accent)}.d-due{background:var(--warning)}.d-late{background:var(--danger)}
.key-legend{display:flex;gap:16px;font-size:13px;color:var(--text2)}
.key-legend span{display:inline-flex;align-items:center;gap:6px}
.key-legend i{width:8px;height:8px;border-radius:50%}
.rec-right{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.inp{width:100%;height:44px;border:1px solid var(--border-strong);border-radius:12px;padding:0 14px;background:var(--surface);color:var(--text);font:inherit;font-size:17px}
.inp.big{height:56px;font-size:28px;font-weight:600;font-variant-numeric:tabular-nums}
.inp:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px rgba(26,125,76,.28)}
.inp.bad{border-color:var(--danger)}
.err{font-size:13px;color:var(--danger);margin-top:4px;display:none}
.err.show{display:block}
.switch{width:51px;height:31px;border-radius:980px;background:var(--border-strong);position:relative;flex-shrink:0;transition:background 160ms var(--ease)}
.switch::after{content:"";position:absolute;top:2px;left:2px;width:27px;height:27px;border-radius:50%;background:var(--knob);box-shadow:0 1px 3px rgba(0,0,0,.2);transition:transform 160ms var(--ease)}
.switch[aria-checked="true"]{background:var(--accent)}
.switch[aria-checked="true"]::after{transform:translateX(20px)}

/* ---------- tab bar ---------- */
.tabbar{position:fixed;bottom:0;left:0;right:0;max-width:430px;margin:0 auto;background:var(--nav-bg);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(5,1fr);padding:6px 6px calc(10px + env(safe-area-inset-bottom));z-index:30}
.tabbar.hide{display:none}
.tab{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;color:var(--text3);min-height:48px;justify-content:center}
.tab.on{color:var(--accent)}
.tab-scan{align-self:center;justify-self:center;width:56px;height:56px;border-radius:50%;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;margin-top:-22px;box-shadow:0 4px 16px rgba(0,0,0,.18)}
.toast{position:fixed;left:50%;top:18px;transform:translate(-50%,-80px);background:var(--text);color:var(--bg);padding:10px 18px;border-radius:980px;font-size:15px;z-index:60;transition:transform 280ms var(--ease)}
.toast.show{transform:translate(-50%,0)}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}