/* M-CORE · Kakis design system — ported from prototype v2. Phone-first. */
:root{
  --ink:#1A2420; --paper:#F2F4EF;
  --pandan:#14594A; --pandan-deep:#0C3D33;
  --mint:#DFEDE5; --mint-soft:#EDF4EF;
  --marigold:#F0A63C; --marigold-soft:#FBEED6;
  --clay:#C25438; --clay-soft:#F6E3DC;
  --slate:#5E6B65; --line:#D8E0D9; --white:#FFFFFF;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:'Instrument Sans',system-ui,sans-serif;color:var(--ink);
  background:var(--paper);min-height:100vh;
}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--marigold-soft)}

/* app column: full width on phones, centred card on desktop */
#app{max-width:430px;margin:0 auto;min-height:100vh;background:var(--white);
  display:flex;flex-direction:column;position:relative;
  box-shadow:0 0 40px rgba(12,61,51,.08)}
main#screen{flex:1;padding:14px 20px 110px;overflow-x:hidden}

.brandbar{display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px 4px;font-family:'Spline Sans Mono',monospace;font-size:.7rem;color:var(--slate)}
.brandbar .wordmark{font-family:'Fraunces',serif;font-weight:700;font-size:1.05rem;color:var(--pandan-deep)}
.brandbar .wordmark i{color:var(--marigold);font-style:normal}

.appbar{display:flex;align-items:flex-start;gap:10px;padding:8px 0 14px}
.appbar .back{border:1px solid var(--line);background:var(--white);width:44px;height:44px;
  border-radius:12px;font-size:1rem;color:var(--pandan-deep);flex:0 0 44px}
.appbar h1{font-family:'Fraunces',serif;font-size:1.32rem;font-weight:600;letter-spacing:-.01em}
.appbar .sub{font-size:.78rem;color:var(--slate);display:block;font-weight:400;margin-top:2px;font-family:'Instrument Sans',sans-serif}
.appbar .avatar-btn{margin-left:auto;width:42px;height:42px;border-radius:50%;background:var(--mint);
  border:1px solid var(--line);color:var(--pandan-deep);font-weight:700;font-size:.8rem;flex:0 0 42px}

.stepper{font-family:'Spline Sans Mono',monospace;font-size:.66rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--marigold);background:var(--ink);display:inline-block;
  border-radius:999px;padding:4px 12px;margin:0 0 12px}
.eyebrow{font-family:'Spline Sans Mono',monospace;font-size:.64rem;letter-spacing:.13em;
  text-transform:uppercase;color:var(--pandan);margin:16px 0 8px}

.card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:16px;margin-bottom:12px}
.card.tint{background:var(--mint-soft);border-color:#CBDECF}
.card.warn{background:var(--marigold-soft);border-color:#E8C892}
.card.alert{background:var(--clay-soft);border-color:#E0B0A0}
.card h3{font-size:.95rem;font-weight:700;margin-bottom:4px}
.card p{font-size:.85rem;color:var(--slate);line-height:1.5}

.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;border:0;
  border-radius:16px;padding:16px;font-size:.98rem;font-weight:700;background:var(--pandan);
  color:#fff;margin-top:8px;min-height:52px;transition:background .15s}
.btn:hover{background:var(--pandan-deep)}
.btn.gold{background:var(--marigold);color:var(--ink)}
.btn.gold:hover{background:#E29A2E}
.btn.ghost{background:var(--white);color:var(--pandan-deep);border:1.5px solid var(--line)}
.btn.ghost:hover{border-color:var(--pandan)}
.btn.quiet{background:var(--mint);color:var(--pandan-deep)}
.btn.danger{background:var(--white);color:var(--clay);border:1.5px solid #E0B0A0}
.btn[disabled]{opacity:.45;cursor:not-allowed}

.bigcard{display:flex;align-items:center;gap:14px;width:100%;text-align:left;background:var(--white);
  border:2px solid var(--line);border-radius:20px;padding:18px;margin-bottom:12px;min-height:80px;transition:all .15s}
.bigcard:hover{border-color:var(--pandan)}
.bigcard .bc-ico{font-size:1.6rem;flex:0 0 auto}
.bigcard b{display:block;font-size:1.02rem;line-height:1.3}
.bigcard span{display:block;font-size:.8rem;color:var(--slate);margin-top:3px;line-height:1.35}
.bigcard.sel{border-color:var(--marigold);background:var(--marigold-soft)}
.bigcard.locked{opacity:.6;cursor:default}

.tier{display:flex;align-items:center;gap:14px;width:100%;text-align:left;background:var(--white);
  border:2px solid var(--line);border-radius:20px;padding:18px;margin-bottom:12px;min-height:76px}
.tier b{display:block;font-size:1rem}
.tier span{display:block;font-size:.78rem;color:var(--slate);margin-top:2px}
.tier .t-eta{margin-left:auto;font-family:'Spline Sans Mono',monospace;font-size:.66rem;color:var(--slate);text-align:right}
.tier.urgent{border-color:var(--marigold);background:var(--marigold-soft)}

.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:4px}
.chip{border:1.5px solid var(--line);background:var(--white);border-radius:999px;padding:12px 16px;
  font-size:.92rem;font-weight:600;color:var(--ink);min-height:48px;transition:all .15s}
.chip:hover{border-color:var(--pandan)}
.chip.sel{background:var(--pandan);border-color:var(--pandan);color:#fff}
.chip.locked{color:#A9B3AC;background:#F4F6F2}

.f-label{display:block;font-size:.84rem;font-weight:700;margin:16px 0 6px}
.f-label small{font-weight:400;color:var(--slate)}
.f-input, textarea.f-input{width:100%;border:1.5px solid var(--line);border-radius:14px;padding:14px;
  font-family:inherit;font-size:.95rem;background:var(--white);color:var(--ink);min-height:48px}
.f-input:focus{outline:3px solid var(--mint);border-color:var(--pandan)}
textarea.f-input{resize:vertical;min-height:76px}

.pill{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:5px 11px;font-size:.72rem;font-weight:600}
.pill.green{background:var(--mint);color:var(--pandan-deep)}
.pill.gold{background:var(--marigold-soft);color:#8A5E14}
.pill.clay{background:var(--clay-soft);color:#8F3A24}
.pill.grey{background:#EEF0EC;color:var(--slate)}
.mono{font-family:'Spline Sans Mono',monospace}
.row{display:flex;align-items:center;gap:10px}
.row .grow{flex:1}
.divider{height:1px;background:var(--line);margin:14px 0}

.li{display:flex;gap:12px;align-items:flex-start;background:var(--white);border:1px solid var(--line);
  border-radius:16px;padding:14px;margin-bottom:10px;width:100%;text-align:left}
button.li:hover{border-color:var(--pandan)}
.li .face{width:42px;height:42px;border-radius:50%;background:var(--mint);display:flex;align-items:center;
  justify-content:center;font-weight:700;font-size:.82rem;color:var(--pandan-deep);flex:0 0 42px}
.li .face.gold{background:var(--marigold-soft);color:#8A5E14}
.li .body{flex:1}
.li b{font-size:.9rem;display:block}
.li span{font-size:.76rem;color:var(--slate);line-height:1.4;display:block;margin-top:2px}
.li .end{margin-left:auto;flex:0 0 auto;text-align:right}

/* status timeline */
.tl{list-style:none;margin:4px 0 12px}
.tl li{display:flex;gap:12px;padding:0 0 18px;position:relative}
.tl li::before{content:"";width:12px;height:12px;border-radius:50%;background:var(--line);flex:0 0 12px;margin-top:4px;z-index:1}
.tl li::after{content:"";position:absolute;left:5px;top:18px;bottom:0;width:2px;background:var(--line)}
.tl li:last-child::after{display:none}
.tl li.done::before{background:var(--pandan)}
.tl li.now::before{background:var(--marigold);box-shadow:0 0 0 5px var(--marigold-soft)}
.tl li b{font-size:.85rem;display:block}
.tl li span{font-size:.74rem;color:var(--slate);display:block;margin-top:2px}

/* big code display (visit start code) */
.codebox{display:flex;gap:10px;justify-content:center;margin:12px 0}
.codebox span{width:56px;height:64px;border:2px solid var(--pandan);border-radius:14px;display:flex;
  align-items:center;justify-content:center;font-family:'Spline Sans Mono',monospace;font-size:1.7rem;
  background:var(--mint-soft);color:var(--pandan-deep);font-weight:600}
.otp-in{display:flex;gap:10px;justify-content:center;margin:12px 0}
.otp-in input{width:56px;height:64px;border:2px solid var(--line);border-radius:14px;text-align:center;
  font-family:'Spline Sans Mono',monospace;font-size:1.7rem}
.otp-in input:focus{outline:3px solid var(--mint);border-color:var(--pandan)}

/* segmented */
.seg{display:flex;background:var(--mint-soft);border:1px solid var(--line);border-radius:14px;padding:4px;gap:4px;margin:4px 0 14px}
.seg button{flex:1;border:0;background:transparent;border-radius:11px;padding:11px 8px;font-size:.84rem;
  font-weight:600;color:var(--slate);min-height:44px}
.seg button.on{background:var(--white);color:var(--pandan-deep);box-shadow:0 1px 4px rgba(12,61,51,.12)}

/* bottom nav */
nav.tabs{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:430px;
  display:flex;gap:4px;padding:10px 14px calc(14px + env(safe-area-inset-bottom));
  background:linear-gradient(transparent,var(--white) 26%);z-index:20}
nav.tabs button{flex:1;border:0;background:transparent;border-radius:14px;padding:10px 4px;font-size:.7rem;
  font-weight:600;color:var(--slate);display:flex;flex-direction:column;gap:4px;align-items:center;min-height:52px}
nav.tabs button .ico{font-size:1.1rem;line-height:1}
nav.tabs button.on{color:var(--pandan-deep);background:var(--mint)}

/* kaki pass — the trust artifact, ported from the prototype */
.kakipass{background:linear-gradient(150deg,var(--pandan) 0%,var(--pandan-deep) 78%);color:#fff;
  border-radius:22px;padding:20px;margin:10px 0 12px;position:relative;overflow:hidden}
.kakipass::after{content:"";position:absolute;left:18px;right:18px;top:92px;border-top:2px dashed rgba(255,255,255,.28)}
.kakipass .kp-top{display:flex;gap:14px;align-items:center;margin-bottom:24px}
.kakipass .kp-face{width:54px;height:54px;border-radius:50%;background:var(--marigold);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-family:'Fraunces',serif;font-size:1.1rem;flex:0 0 54px}
.kakipass h3{font-family:'Fraunces',serif;font-size:1.2rem;font-weight:600}
.kakipass .kp-sub{font-size:.76rem;opacity:.85;margin-top:2px}
.kakipass .kp-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.kakipass .kp-meta span{background:rgba(255,255,255,.14);border-radius:999px;padding:4px 10px;font-size:.68rem;font-weight:600}
.kakipass .kp-consist{font-size:.8rem;line-height:1.45;margin-top:12px;background:rgba(255,255,255,.1);border-radius:12px;padding:10px 12px}
.kakipass .kp-consist b{color:var(--marigold)}
.kakipass .kp-id{font-family:'Spline Sans Mono',monospace;font-size:.64rem;opacity:.7;margin-top:12px;letter-spacing:.08em}

/* price stack (receipt) */
.stack{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:6px 16px;margin-bottom:12px}
.stack .s-row{display:flex;justify-content:space-between;align-items:baseline;padding:10px 0;
  border-bottom:1px dashed var(--line);font-size:.86rem}
.stack .s-row:last-child{border-bottom:0}
.stack .s-row .who{color:var(--slate);font-size:.72rem;display:block;margin-top:1px}
.stack .s-row .amt{font-family:'Spline Sans Mono',monospace;font-weight:500}
.stack .s-row.total{font-weight:700;font-size:.95rem}
.stack .s-row.total .amt{color:var(--pandan-deep);font-size:1.05rem}
.stack .s-row.minus .amt{color:var(--pandan)}

/* user menu */
#userMenu{position:fixed;top:52px;right:calc(50% - 215px + 12px);background:var(--white);
  border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 32px rgba(12,61,51,.18);
  padding:10px;z-index:70;display:none;min-width:220px}
@media (max-width:470px){#userMenu{right:12px}}
#userMenu.open{display:block}
#userMenu .um-who{font-size:.78rem;color:var(--slate);padding:6px 10px 10px;border-bottom:1px solid var(--line);margin-bottom:8px}
#userMenu button{width:100%;text-align:left;border:0;background:transparent;border-radius:10px;
  padding:12px;font-size:.9rem;font-weight:600;color:var(--ink);min-height:44px}
#userMenu button:hover{background:var(--mint-soft)}
#userMenu button.out{color:var(--clay)}
.brandbar #brandRight{cursor:pointer;border:0;background:transparent;font:inherit;color:inherit;
  display:flex;align-items:center;gap:6px;min-height:36px}
.brandbar #brandRight:hover{color:var(--pandan-deep)}

/* toast */
#toast{position:fixed;left:50%;transform:translateX(-50%);bottom:96px;background:var(--ink);color:#fff;
  padding:12px 20px;border-radius:14px;font-size:.88rem;max-width:90%;z-index:60;opacity:0;
  transition:opacity .25s;pointer-events:none}
#toast.show{opacity:1}
#toast.err{background:var(--clay)}

/* help floating button + panel */
#helpBtn{position:fixed;right:calc(50% - 215px + 16px);bottom:96px;width:52px;height:52px;border-radius:50%;
  background:var(--ink);color:var(--marigold);font-size:1.3rem;font-weight:700;border:0;z-index:30;
  box-shadow:0 8px 24px rgba(12,61,51,.3)}
@media (max-width:470px){#helpBtn{right:16px}}
#helpPanel{position:fixed;inset:0;background:rgba(12,61,51,.5);display:none;z-index:50;align-items:flex-end;justify-content:center}
#helpPanel.open{display:flex}
#helpPanel .sheet{background:var(--white);border-radius:22px 22px 0 0;width:100%;max-width:430px;
  max-height:82vh;display:flex;flex-direction:column;padding:18px 20px calc(18px + env(safe-area-inset-bottom))}
#helpPanel h2{font-family:'Fraunces',serif;font-size:1.2rem;margin-bottom:4px}
#chatLog{flex:1;overflow-y:auto;margin:10px 0;display:flex;flex-direction:column;gap:8px;min-height:120px}
.msg{max-width:85%;padding:10px 14px;border-radius:16px;font-size:.88rem;line-height:1.45}
.msg.user{align-self:flex-end;background:var(--pandan);color:#fff;border-bottom-right-radius:6px}
.msg.bot{align-self:flex-start;background:var(--mint-soft);border-bottom-left-radius:6px}
.chat-row{display:flex;gap:8px}
.chat-row .f-input{flex:1;min-height:48px}
.chat-row .btn{width:auto;padding:0 18px;margin:0}

.helpline{padding:16px 0 4px;text-align:center;font-size:.78rem;color:var(--slate)}
.helpline b{color:var(--pandan)}
.center{text-align:center}
.spin{display:inline-block;width:22px;height:22px;border:3px solid var(--mint);border-top-color:var(--pandan);
  border-radius:50%;animation:spin .8s linear infinite;margin:24px auto}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation-duration:.001s!important}}