:root{--ink:#17132b;--deep:#17132b;--paper:#fbf8f2;--white:#fff;--violet:#5b3df5;--violet-dark:#4528d8;--violet-soft:#ece8ff;--lime:#c9f45d;--lime-soft:#f1fbd6;--coral:#ff7b5c;--coral-soft:#ffe6de;--pink:#ff6fae;--pink-soft:#ffe3ef;--sky:#5ccfff;--sky-soft:#dff5ff;--sun:#ffd23f;--sun-soft:#fff3c9;--mint:#0f9f6e;--green:#5b3df5;--muted:#6b6880;--line:#e8e2d6;--red:#d6334a;--red-soft:#ffe4e8;--radius:20px;--shadow:4px 4px 0 var(--ink);--shadow-sm:2px 2px 0 var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;-webkit-text-size-adjust:100%}
*{box-sizing:border-box}
html,body{overflow-x:clip}
html:has(dialog[open]){overflow:hidden}
body{margin:0;font-size:15px;line-height:1.55;background:var(--paper);overflow-x:hidden}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--violet);text-decoration:none}
button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button:disabled{opacity:.5;cursor:wait}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--sky);outline-offset:3px}
[hidden]{display:none!important}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(32px,4.4vw,52px);letter-spacing:-.04em;line-height:1.05;margin-bottom:14px;font-weight:850}
h2{font-size:22px;letter-spacing:-.02em;line-height:1.25;font-weight:800}
h3{font-size:16px;font-weight:750}
p{color:var(--muted)}
small{font-size:12px}

/* Header */
.topbar{height:80px;max-width:1180px;padding:0 32px;margin:auto;display:flex;align-items:center;justify-content:space-between}
.brand{font-size:27px;font-weight:900;letter-spacing:-.05em;display:flex;align-items:center;color:var(--ink);gap:10px}
.brand img{border-radius:12px;border:2px solid var(--ink);box-shadow:var(--shadow-sm)}
.brand-dot{color:var(--violet);margin-left:-10px}
.header-right{display:flex;align-items:center;gap:12px}
#language{background-color:var(--white);width:76px;margin:0;border:2px solid var(--ink);border-radius:999px;font-size:13px;font-weight:700;min-height:42px;padding:8px 12px;box-shadow:var(--shadow-sm)}
.avatar{border:2px solid var(--ink);width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--lime);color:var(--ink);font-size:17px;font-weight:850;box-shadow:var(--shadow-sm);transition:transform .15s}
.avatar:hover{transform:translate(-1px,-1px)}
.avatar.small{width:42px;height:42px;flex-shrink:0;box-shadow:none}
.member-row:nth-child(4n+2) .avatar{background:var(--pink-soft)}.member-row:nth-child(4n+3) .avatar{background:var(--sky-soft)}.member-row:nth-child(4n+4) .avatar{background:var(--sun-soft)}

#app{max-width:1180px;margin:auto;padding:28px 32px 110px}
.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:800;color:var(--violet);margin-bottom:14px}
.page-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:32px}
.page-heading p{margin-bottom:0;max-width:700px}
.wave{display:inline-block;animation:wave 2.4s ease-in-out infinite;transform-origin:70% 70%}

/* Buttons */
.primary,.secondary,.danger{border:2px solid var(--ink);border-radius:999px;min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:10px 22px;font-size:15px;font-weight:800;gap:10px;white-space:normal;text-align:center;box-shadow:var(--shadow-sm);transition:transform .12s,box-shadow .12s,background .15s}
.primary{background:var(--violet);color:var(--white)}
.primary:hover{background:var(--violet-dark)}
.secondary{background:var(--white);color:var(--ink)}
.secondary:hover{background:var(--lime-soft)}
.danger{background:var(--red-soft);color:var(--red)}
.primary:hover,.secondary:hover,.danger:hover{transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--ink)}
.primary:active,.secondary:active,.danger:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--ink)}
.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.section-line{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:32px 0 16px}
.section-line h2{margin:0}
.section-line>span{border:2px solid var(--ink);border-radius:999px;min-width:30px;padding:0 8px;text-align:center;font-size:12px;font-weight:800;background:var(--sun)}
.section-line.small{margin:18px 0 8px}

/* Groups */
.group-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.group-card{display:block;background:var(--white);border:2px solid var(--ink);border-radius:var(--radius);overflow:hidden;color:var(--ink);box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s}
.group-card:hover{transform:translate(-3px,-3px) rotate(-.5deg);box-shadow:7px 7px 0 var(--ink)}
.group-cover{height:150px;position:relative;overflow:hidden;background:var(--violet-soft);border-bottom:2px solid var(--ink);display:flex;align-items:center;justify-content:center}
.group-cover>span{font-size:76px;line-height:1;transform:rotate(-10deg);filter:drop-shadow(3px 4px 0 #17132b22);transition:transform .3s}
.group-card:hover .group-cover>span{transform:rotate(6deg) scale(1.08)}
.group-cover small{position:absolute;top:14px;left:14px;border-radius:999px;padding:3px 11px;background:var(--white);border:2px solid var(--ink);font-weight:800}
.tone-1 .group-cover{background:var(--coral-soft)}.tone-2 .group-cover{background:var(--sky-soft)}.tone-3 .group-cover{background:var(--lime-soft)}.tone-4 .group-cover{background:var(--pink-soft)}.tone-5 .group-cover{background:var(--sun-soft)}
.group-info{padding:20px 22px}
.group-info h2{margin-bottom:6px;overflow-wrap:anywhere}
.group-info p{font-size:13px}
.card-footer{border-top:2px dashed var(--line);padding-top:14px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);font-weight:600}
.card-footer b{width:34px;height:34px;border-radius:50%;background:var(--lime);border:2px solid var(--ink);display:inline-flex;align-items:center;justify-content:center;color:var(--ink)}
.empty{text-align:center;border:2px dashed var(--ink);border-radius:var(--radius);padding:56px 22px;background:var(--white)}
.empty p{max-width:430px;margin:10px auto 22px}
.empty-icon{font-size:56px;margin-bottom:12px;display:inline-block;animation:float 3s ease-in-out infinite}
.empty.compact{padding:28px 18px;border:0;background:transparent}
.back{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-size:13px;font-weight:700;margin-bottom:22px;padding:6px 14px;border:2px solid var(--ink);border-radius:999px;background:var(--white)}

/* Group detail */
.tabs{display:flex;gap:8px;margin-bottom:26px;overflow-x:auto;padding:4px 4px 8px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs button{border:2px solid var(--ink);background:var(--white);padding:9px 16px;color:var(--ink);font-size:14px;font-weight:700;white-space:nowrap;border-radius:999px;transition:background .15s}
.tabs button.selected{background:var(--ink);color:var(--white)}
.stats{display:grid;grid-template-columns:1.2fr 1fr;gap:20px}
.stat{padding:24px 28px;border-radius:var(--radius);position:relative;overflow:hidden;border:2px solid var(--ink);box-shadow:var(--shadow)}
.stat>span:first-child{font-size:13px;font-weight:700;display:block}
.stat>strong{display:block;font-size:40px;letter-spacing:-.04em;line-height:1.3;margin-top:8px;font-weight:900}
.stat>small{display:block;opacity:.85;font-weight:600}
.stat.total{background:var(--violet);color:var(--white)}
.stat.balance{background:var(--lime);color:var(--ink)}
.stat .stat-decoration{position:absolute;right:22px;bottom:-6px;font-size:84px;line-height:1.3;opacity:.9;transform:rotate(-8deg)}
.negative{color:var(--red)!important}
.positive{color:var(--mint)}
.list-panel{background:var(--white);border:2px solid var(--ink);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.expense-row{display:flex;align-items:center;width:100%;text-align:left;padding:16px 20px;gap:14px;border:0;background:var(--white);border-bottom:2px solid #f0ebe1;color:var(--ink)}
.expense-row:last-child{border-bottom:0}
.expense-row:hover{background:#fdfbf6}
.category-icon{width:46px;height:46px;flex-shrink:0;border-radius:14px;background:var(--sun-soft);border:2px solid var(--ink);font-size:23px;display:inline-flex;align-items:center;justify-content:center}
.cat-stay{background:var(--violet-soft)}.cat-transport{background:var(--sky-soft)}.cat-fun{background:var(--pink-soft)}.cat-shopping{background:var(--lime-soft)}.cat-other{background:var(--coral-soft)}
.expense-main{flex:1;min-width:0}
.expense-main strong{display:block;overflow-wrap:anywhere;font-size:15px}
.expense-main small{display:block;color:var(--muted);margin-top:2px;font-size:12px}
.expense-amount{font-weight:850;white-space:nowrap}
.expense-amount small{display:block;text-align:right;color:var(--muted);font-weight:400}
.dates{font-size:12px;display:inline-block;margin-top:8px;padding:2px 10px;border-radius:999px;background:var(--white);border:2px solid var(--ink);color:var(--ink);font-weight:700}
.badge{display:inline-block;border-radius:999px;background:var(--lime);border:2px solid var(--ink);color:var(--ink);font-size:11px;font-weight:800;padding:2px 10px;white-space:nowrap}
.status-pending{background:var(--sun)}
.status-rejected,.status-cancelled{background:#ece9e3;color:#55526a}
.notice{background:var(--sky-soft);border:2px solid var(--ink);border-radius:16px;padding:14px 18px;font-size:13px;color:var(--ink);line-height:1.6}
.hint{font-size:12.5px;color:var(--muted);line-height:1.6}

/* Auth */
.auth-card{max-width:460px;margin:20px auto;background:var(--white);border:2px solid var(--ink);border-radius:26px;padding:34px;box-shadow:6px 6px 0 var(--ink)}
.auth-card h1{font-size:34px}
.auth-card .primary{width:100%;margin-top:12px}
.auth-card .secondary{margin-top:12px;width:100%}
.auth-links{display:flex;justify-content:space-between;gap:15px;margin-top:22px;font-size:13px;font-weight:700}

/* Forms */
label{display:block;font-size:13px;font-weight:700;margin:0 0 16px}
input,select,textarea{display:block;width:100%;min-width:0;padding:12px 14px;background:var(--white);border:2px solid #d9d3c7;border-radius:14px;color:var(--ink);margin-top:6px;min-height:48px;font-size:16px;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--violet);box-shadow:0 0 0 4px #5b3df522;outline:none}
input[type=date]{-webkit-appearance:none;appearance:none;line-height:1.3}
input[type=date]::-webkit-date-and-time-value{text-align:left}
input[type=file]{padding:10px;font-size:14px;border-style:dashed}
select{-webkit-appearance:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat;padding-right:38px}
#language{background-position:calc(100% - 18px) 50%,calc(100% - 12px) 50%}
textarea{resize:vertical}
.check-row{display:flex;align-items:center;gap:12px;margin:0;font-weight:650}
.check-row input{width:22px;min-height:22px;height:22px;margin:0;accent-color:var(--violet);flex-shrink:0}
.two-col{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}
.form-panel{border:2px solid var(--ink);border-radius:var(--radius);background:var(--white);padding:26px;box-shadow:var(--shadow)}
.form-panel>h2{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.form-panel>h2+.hint{margin-bottom:20px}
.form-panel h3{margin-top:26px}
.form-panel h3 small{font-weight:400;color:var(--muted)}
.section-emoji{width:38px;height:38px;border-radius:12px;border:2px solid var(--ink);display:inline-flex;align-items:center;justify-content:center;font-size:19px;background:var(--lime-soft);flex-shrink:0}

/* Switch */
input.switch{-webkit-appearance:none;appearance:none;width:52px;height:30px;min-height:30px;border-radius:999px;background:#ddd7cb;border:2px solid var(--ink);position:relative;cursor:pointer;margin:0;padding:0;flex-shrink:0;transition:background .2s}
input.switch::after{content:"";position:absolute;top:2px;left:2px;width:22px;height:22px;border-radius:50%;background:var(--white);border:2px solid var(--ink);transition:transform .2s}
input.switch:checked{background:var(--violet)}
input.switch:checked::after{transform:translateX(22px)}
.switch-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;border:2px solid var(--ink);border-radius:16px;background:var(--paper);margin:0 0 16px;font-weight:750}
.switch-row span small{display:block;font-weight:500;color:var(--muted);margin-top:2px;font-size:12.5px;line-height:1.5}

/* Profile / settings */
.profile-hero{display:flex;align-items:center;gap:20px;flex-wrap:wrap;background:var(--violet);color:var(--white);border:2px solid var(--ink);border-radius:26px;padding:26px 28px;box-shadow:6px 6px 0 var(--ink);margin-bottom:28px;position:relative;overflow:hidden}
.profile-hero::after{content:"✦";position:absolute;right:-6px;bottom:-40px;font-size:120px;color:var(--lime);opacity:.35;transform:rotate(12deg);pointer-events:none}
.profile-hero .avatar{width:72px;height:72px;font-size:30px;box-shadow:var(--shadow-sm)}
.profile-hero h1{margin:0;font-size:clamp(28px,4vw,40px);overflow-wrap:anywhere}
.profile-hero p{color:#e4ddff;margin:2px 0 8px;overflow-wrap:anywhere}
.profile-hero .who{flex:1;min-width:200px;position:relative;z-index:1}
.profile-hero .secondary{position:relative;z-index:1}
.profile-hero .verify-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.profile-hero .text-button{color:var(--lime);font-weight:800;font-size:13px}
.profile-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.profile-layout>.stack{display:grid;gap:24px}
.save-bar{grid-column:1/-1;position:sticky;bottom:16px;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--ink);color:var(--white);border-radius:999px;padding:10px 10px 10px 24px;box-shadow:0 10px 30px #17132b33}
.save-bar span{font-size:13px;font-weight:650;color:#d9d4ef}
.save-bar .primary{background:var(--lime);color:var(--ink);border-color:var(--lime);box-shadow:none}
.ai-preferences{margin-top:24px}

/* Modal */
dialog{width:min(600px,calc(100% - 28px));max-height:min(90vh,900px);max-height:min(90dvh,900px);overflow:hidden;border:2px solid var(--ink);border-radius:26px;padding:0;background:var(--paper);color:var(--ink);box-shadow:8px 8px 0 var(--ink)}
dialog[open]{display:flex;flex-direction:column;animation:pop .22s cubic-bezier(.2,.9,.3,1.2)}
dialog::backdrop{background:#17132b8c}
.modal-inner{position:relative;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:30px 32px 32px;flex:1;min-height:0}
dialog h2{padding-right:44px;margin-bottom:22px;font-size:24px}
#modal-close{position:sticky;top:0;float:right;margin:-8px -10px 0 8px;z-index:2}
.icon-button{border:2px solid var(--ink);width:40px;height:40px;border-radius:50%;background:var(--white);color:var(--ink);font-size:22px;line-height:1;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm)}
.text-button{border:0;background:transparent;color:var(--violet);font-size:13px;font-weight:750;padding:8px 4px;min-height:36px}
.danger-text{color:var(--red)}
.modal-section{background:var(--white);border:2px solid var(--ink);border-radius:18px;padding:18px 18px 4px;margin-bottom:16px}
.modal-section>strong{display:flex;align-items:center;gap:8px;font-size:14px;margin-bottom:14px}
.modal-submit{position:sticky;bottom:-32px;margin:8px -32px -32px;padding:14px 32px calc(18px + env(safe-area-inset-bottom));background:linear-gradient(transparent,var(--paper) 30%)}
.modal-submit .primary{width:100%}
.share-row{display:flex;gap:12px;align-items:center;padding:10px 0;border-bottom:2px dashed var(--line)}
.share-row>label{flex:1;overflow-wrap:anywhere}
.share-input{width:90px;min-height:42px;margin:0;padding:7px 10px}
.share-row output{min-width:80px;text-align:right;font-size:14px;font-weight:800}
.simple-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 20px;border-bottom:2px solid #f0ebe1;font-size:14px}
.simple-row:last-child{border-bottom:0}
dialog .simple-row{padding:12px 0}
.detail-amount{display:block;font-size:40px;font-weight:900;letter-spacing:-.04em;color:var(--violet);margin-bottom:12px}
.user-note{white-space:pre-wrap;overflow-wrap:anywhere}
.attachment-link{display:block;font-size:14px;font-weight:700;padding:10px 0;overflow-wrap:anywhere}
#upload-form{margin:20px 0}

/* Settlement */
.settlement-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:22px}
.transfer-card{background:var(--white);border:2px solid var(--ink);border-radius:var(--radius);padding:20px;margin:0 0 16px;box-shadow:var(--shadow)}
.transfer-people{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:750;flex-wrap:wrap}
.transfer-people b{width:30px;height:30px;border-radius:50%;background:var(--lime);border:2px solid var(--ink);display:inline-flex;align-items:center;justify-content:center}
.transfer-card>strong{display:block;font-size:32px;font-weight:900;letter-spacing:-.04em;margin:10px 0 16px;color:var(--violet)}
.payment-row{padding:20px;border-bottom:2px solid #f0ebe1}
.payment-row:last-child{border:0}
.payment-row p{margin:10px 0 4px;font-size:14px;color:var(--ink);font-weight:650}
.payment-row>strong{font-size:22px;font-weight:900}
.payment-row>small{display:block;color:var(--muted);margin:4px 0 14px}
.bank-data p{font-size:12px;font-weight:700}
.bank-data strong{display:block;font-size:17px;color:var(--ink);overflow-wrap:anywhere}

/* Members */
.member-row{display:flex;gap:14px;align-items:center;padding:16px 20px;border-bottom:2px solid #f0ebe1}
.member-row:last-child{border-bottom:0}
.member-name{flex:1;min-width:0}
.member-name strong,.member-name small{display:block;overflow-wrap:anywhere}
.member-name small{color:var(--muted);font-size:12px}
.member-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
#tab-content>.actions{margin-top:20px}
.audit-row{padding:14px 0;border-bottom:2px dashed var(--line);display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
.audit-row strong,.audit-row small{display:block;font-size:13px}
.audit-row small{color:var(--muted);margin-top:4px;width:100%}
.qr{background:var(--white);width:256px;padding:16px;margin:20px auto;border:2px solid var(--ink);border-radius:18px}
.qr img{max-width:100%}
#invite-url{font-size:13px;margin-bottom:15px}
#toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--white);padding:13px 22px;border-radius:999px;border:2px solid var(--ink);box-shadow:4px 4px 0 var(--lime);z-index:10;max-width:calc(100% - 32px);font-size:14px;font-weight:700;animation:pop .25s}
#toast.error{background:var(--red);box-shadow:4px 4px 0 var(--ink)}
.loading{text-align:center;padding:100px;font-weight:800;font-size:20px;animation:pulse 1.2s ease-in-out infinite}
#bottom-nav{display:flex;justify-content:center;gap:12px;padding:14px 25px;font-size:13px}
#bottom-nav a{color:var(--ink);display:flex;gap:8px;align-items:center;padding:8px 18px;border-radius:999px;font-weight:700;border:2px solid transparent}
#bottom-nav a.selected{background:var(--lime);border-color:var(--ink)}
#bottom-nav span{font-size:18px}
.text-link{display:block;margin-top:20px;font-weight:700}

/* Landing */
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;min-height:min(620px,calc(100vh - 120px));padding:10px 0 40px}
.pill-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border:2px solid var(--ink);border-radius:999px;background:var(--white);font-size:13px;font-weight:800;box-shadow:var(--shadow-sm);margin-bottom:22px}
.hero h1{font-size:clamp(44px,6.4vw,82px);letter-spacing:-.055em;line-height:.98;margin-bottom:22px}
.hl{position:relative;display:inline-block;color:var(--violet);white-space:nowrap}
.hl::after{content:"";position:absolute;left:-4px;right:-4px;bottom:.04em;height:.3em;background:var(--lime);z-index:-1;border-radius:6px;transform:scaleX(0);transform-origin:left;animation:mark .8s .5s cubic-bezier(.6,0,.3,1) forwards}
.hero-copy{position:relative;z-index:1}
.hero-copy>p{font-size:18px;line-height:1.65;max-width:520px;margin-bottom:28px;color:#4d4a63}
.hero-copy .actions{gap:14px}
.hero-copy .primary,.cta-band .primary{min-height:56px;padding:12px 28px;font-size:16px}
.hero-copy .secondary{min-height:56px;padding:12px 26px;font-size:16px}
.trust{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:26px;font-size:13px;font-weight:700;color:var(--muted)}
.trust span::before{content:"✓";color:var(--mint);margin-right:6px;font-weight:900}
.hero-demo{position:relative;height:500px;display:flex;align-items:center;justify-content:center}
.blob{position:absolute;width:420px;height:420px;border-radius:44% 56% 52% 48%/52% 44% 56% 48%;background:var(--lime);border:2px solid var(--ink);animation:morph 12s ease-in-out infinite}
.demo-phone{position:relative;width:290px;background:var(--white);border:2px solid var(--ink);border-radius:30px;padding:20px 18px;box-shadow:8px 8px 0 var(--ink);transform:rotate(-3deg);animation:float 6s ease-in-out infinite}
.demo-head{display:flex;align-items:center;gap:10px;font-weight:850;font-size:15px;margin-bottom:16px}
.demo-head i{font-style:normal;width:38px;height:38px;border-radius:12px;background:var(--sky-soft);border:2px solid var(--ink);display:inline-flex;align-items:center;justify-content:center;font-size:20px}
.demo-head small{display:block;font-weight:600;color:var(--muted);font-size:11px}
.demo-bill{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--sun-soft);border:2px solid var(--ink);border-radius:16px;padding:12px 14px;font-weight:800;animation:billIn 7s ease-in-out infinite}
.demo-bill b{font-size:20px;letter-spacing:-.03em}
.demo-split{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.demo-person{display:flex;align-items:center;gap:8px;border:2px solid var(--ink);border-radius:14px;padding:7px 9px;font-size:13px;font-weight:800;background:var(--white);opacity:0;animation:personIn 7s ease-in-out infinite}
.demo-person i{font-style:normal;width:26px;height:26px;border-radius:50%;border:2px solid var(--ink);display:inline-flex;align-items:center;justify-content:center;font-size:11px;background:var(--pink-soft);flex-shrink:0}
.demo-person:nth-child(2){animation-delay:.15s}.demo-person:nth-child(2) i{background:var(--sky-soft)}
.demo-person:nth-child(3){animation-delay:.3s}.demo-person:nth-child(3) i{background:var(--lime-soft)}
.demo-person:nth-child(4){animation-delay:.45s}.demo-person:nth-child(4) i{background:var(--sun-soft)}
.demo-done{margin-top:14px;text-align:center;background:var(--ink);color:var(--lime);border-radius:999px;padding:9px;font-weight:850;font-size:14px;opacity:0;animation:doneIn 7s ease-in-out infinite}
.sticker{position:absolute;width:64px;height:64px;border-radius:20px;background:var(--white);border:2px solid var(--ink);box-shadow:var(--shadow-sm);display:flex;align-items:center;justify-content:center;font-size:32px;animation:bob 4s ease-in-out infinite}
.sticker.s1{top:36px;left:6%;transform:rotate(-12deg);background:var(--coral-soft)}
.sticker.s2{top:70px;right:4%;animation-delay:-1s;background:var(--sky-soft)}
.sticker.s3{bottom:46px;left:10%;animation-delay:-2s;background:var(--pink-soft)}
.sticker.s4{bottom:30px;right:10%;animation-delay:-3s;background:var(--sun-soft)}
.marquee{overflow:hidden;background:var(--ink);color:var(--white);margin:10px 0 0;padding:14px 0;border:2px solid var(--ink);border-radius:28px;box-shadow:4px 4px 0 var(--violet)}
.marquee-track{display:flex;gap:16px;width:max-content;animation:marquee 32s linear infinite}
.marquee-track span{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;padding:6px 16px;border-radius:999px;border:2px solid var(--white);font-weight:800;font-size:15px}
.marquee-track span:nth-child(3n+1){background:var(--violet)}.marquee-track span:nth-child(3n+2){color:var(--ink);background:var(--lime);border-color:var(--lime)}
.l-section{padding:96px 0 0}
.l-head{text-align:center;max-width:640px;margin:0 auto 44px}
.l-head h2{font-size:clamp(32px,4vw,48px);letter-spacing:-.04em;line-height:1.05;margin-bottom:12px}
.l-head p{font-size:17px;margin:0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step{position:relative;background:var(--white);border:2px solid var(--ink);border-radius:24px;padding:30px 26px 26px;box-shadow:var(--shadow);transition:transform .2s}
.step:hover{transform:translateY(-4px) rotate(-.6deg)}
.step-num{position:absolute;top:-20px;right:22px;width:46px;height:46px;border-radius:50%;background:var(--violet);color:var(--white);border:2px solid var(--ink);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:18px}
.step-emoji{font-size:44px;line-height:1;display:block;margin-bottom:16px}
.step h3,.benefit h3{font-size:20px;letter-spacing:-.02em;margin-bottom:8px}
.step p,.benefit p{margin:0;font-size:15px;line-height:1.65;color:#4d4a63}
.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.benefit{border:2px solid var(--ink);border-radius:24px;padding:26px;background:var(--white);transition:transform .2s,box-shadow .2s}
.benefit:hover{transform:translate(-3px,-3px);box-shadow:var(--shadow)}
.benefit:nth-child(1){background:var(--lime-soft)}.benefit:nth-child(2){background:var(--violet-soft)}.benefit:nth-child(3){background:var(--sun-soft)}.benefit:nth-child(4){background:var(--sky-soft)}.benefit:nth-child(5){background:var(--pink-soft)}.benefit:nth-child(6){background:var(--coral-soft)}
.benefit-icon{width:52px;height:52px;border-radius:16px;border:2px solid var(--ink);background:var(--white);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px;box-shadow:var(--shadow-sm)}
.cta-band{margin-top:96px;background:var(--violet);color:var(--white);border:2px solid var(--ink);border-radius:32px;padding:56px 32px;text-align:center;box-shadow:8px 8px 0 var(--ink);position:relative;overflow:hidden}
.cta-band::before,.cta-band::after{content:"✦";position:absolute;font-size:150px;color:var(--lime);opacity:.3;line-height:1}
.cta-band::before{left:-20px;top:-30px;transform:rotate(-15deg)}
.cta-band::after{right:-10px;bottom:-40px;transform:rotate(20deg)}
.cta-band h2{font-size:clamp(30px,4vw,46px);letter-spacing:-.04em;line-height:1.05;margin-bottom:12px;position:relative}
.cta-band p{color:#e4ddff;font-size:17px;max-width:520px;margin:0 auto 28px;position:relative}
.cta-band .actions{justify-content:center;position:relative}
.cta-band .primary{background:var(--lime);color:var(--ink)}
.cta-band .secondary{min-height:56px;padding:12px 26px;font-size:16px}
.site-foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:56px;padding-top:22px;border-top:2px solid var(--ink);font-size:13px;color:var(--muted)}
.site-foot b{color:var(--ink);font-weight:900}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}

@keyframes pop{from{opacity:0;transform:scale(.94) translateY(10px)}to{opacity:1;transform:none}}
@keyframes float{0%,100%{translate:0 0}50%{translate:0 -10px}}
@keyframes bob{0%,100%{translate:0 0;rotate:-6deg}50%{translate:0 -12px;rotate:6deg}}
@keyframes wave{0%,60%,100%{transform:rotate(0)}10%,30%{transform:rotate(16deg)}20%,40%{transform:rotate(-8deg)}}
@keyframes morph{0%,100%{border-radius:44% 56% 52% 48%/52% 44% 56% 48%;rotate:0deg}50%{border-radius:56% 44% 42% 58%/44% 58% 42% 56%;rotate:20deg}}
@keyframes marquee{to{transform:translateX(-50%)}}
@keyframes mark{to{transform:scaleX(1)}}
@keyframes pulse{50%{opacity:.4}}
@keyframes billIn{0%{opacity:0;transform:translateY(-14px) scale(.96)}8%,88%{opacity:1;transform:none}100%{opacity:0}}
@keyframes personIn{0%,18%{opacity:0;transform:translateY(12px) scale(.8)}26%,88%{opacity:1;transform:none}100%{opacity:0}}
@keyframes doneIn{0%,40%{opacity:0;transform:scale(.6)}46%{opacity:1;transform:scale(1.08)}50%,88%{opacity:1;transform:none}100%{opacity:0}}

@media(max-width:1000px){.group-grid{gap:16px}.settlement-grid{gap:20px}.hero{grid-template-columns:1fr;min-height:0;gap:10px}.hero-demo{height:440px}.steps,.benefits{grid-template-columns:1fr 1fr}.steps .step:last-child{grid-column:1/-1}}
@media(max-width:760px){
 body{font-size:15px}
 .topbar{height:68px;padding:0 18px}
 .brand{font-size:24px}.brand img{width:34px;height:34px}
 #language{width:70px;min-height:38px;padding:6px 10px}
 .avatar{width:40px;height:40px}
 #app{padding:16px 18px calc(110px + env(safe-area-inset-bottom))}
 .page-heading{display:block;margin-bottom:22px}
 .page-heading .actions,.page-heading>button{margin-top:18px}
 .page-heading .actions>*{flex:1}
 .page-heading h1{font-size:34px}
 .group-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .group-cover{height:120px}.group-cover>span{font-size:60px}
 .group-info h2{font-size:18px}
 .stats{gap:12px;grid-template-columns:1fr 1fr}
 .stat{padding:18px 16px}.stat>strong{font-size:26px}.stat .stat-decoration{right:6px;font-size:50px}
 .tabs{margin-left:-18px;margin-right:-18px;padding:4px 18px 8px}
 .tabs button{padding:8px 14px;font-size:13px}
 .profile-layout,.settlement-grid{grid-template-columns:1fr}
 .profile-hero{padding:22px}.profile-hero .avatar{width:60px;height:60px;font-size:24px}
 .save-bar{bottom:calc(84px + env(safe-area-inset-bottom));padding:8px 8px 8px 18px}
 .save-bar span{display:none}.save-bar .primary{flex:1}
 .expense-row{padding:14px;gap:12px}
 .expense-amount{font-size:14px}
 .category-icon{width:40px;height:40px;border-radius:12px;font-size:20px}
 #bottom-nav{position:fixed;bottom:0;left:0;width:100%;padding:8px 12px calc(8px + env(safe-area-inset-bottom));gap:6px;justify-content:space-around;z-index:4;background:#fbf8f2f2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:2px solid var(--ink)}
 #bottom-nav a{flex-direction:column;gap:0;font-size:11px;padding:6px 14px;flex:1;max-width:140px;justify-content:center}
 #toast{bottom:calc(96px + env(safe-area-inset-bottom))}
 /* Full-screen modal on phones: robust with the iOS keyboard and no zoom jumps. */
 dialog{width:100%;max-width:100%;height:100vh;height:100dvh;max-height:none;margin:0;inset:0;border:0;border-radius:0;box-shadow:none}
 dialog[open]{animation:sheet .26s cubic-bezier(.2,.9,.3,1)}
 .modal-inner{padding:calc(14px + env(safe-area-inset-top)) 18px 24px}
 #modal-close{margin:0 -4px 0 8px}
 dialog h2{font-size:24px;margin-top:4px}
 .modal-submit{bottom:-24px;margin:8px -18px -24px;padding:12px 18px calc(16px + env(safe-area-inset-bottom))}
 .hero h1{font-size:clamp(42px,12vw,58px)}
 .hero-copy>p{font-size:16px}
 .hero-copy .actions>*{flex:1}
 .hero-demo{height:400px;margin:0 -18px}
 .blob{width:320px;height:320px}
 .demo-phone{width:262px;padding:16px 14px}
 .sticker{width:52px;height:52px;font-size:26px;border-radius:16px}
 .sticker.s1{left:3%;top:20px}.sticker.s2{right:3%;top:40px}.sticker.s3{left:4%;bottom:24px}.sticker.s4{right:4%;bottom:14px}
 .marquee{padding:12px 0;border-radius:22px}
 .marquee-track span{font-size:14px;padding:5px 14px}
 .l-section{padding-top:72px}
 .l-head{margin-bottom:34px}
 .steps,.benefits{grid-template-columns:1fr;gap:26px}
 .benefits{gap:14px}
 .cta-band{margin-top:72px;padding:42px 22px;border-radius:26px}
 .auth-card{margin:5px auto;padding:26px 20px;box-shadow:var(--shadow)}
 .member-actions{flex-direction:column;gap:0;align-items:flex-end}
 .member-actions button{padding:4px;font-size:12px}
 .form-panel{padding:20px}
}
@media(max-width:420px){.group-grid{grid-template-columns:1fr}.group-cover{height:130px}.group-cover>span{font-size:70px}.two-col{gap:10px}.share-input{width:72px}.share-row output{min-width:64px;font-size:13px}.stat>strong{font-size:22px}.stat>span:first-child{font-size:11px}.member-row{gap:10px;padding:14px}.transfer-card .actions>*{flex:1;padding:10px 12px;font-size:13px}}
@keyframes sheet{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}.demo-person,.demo-done{opacity:1}}