:root{
  --ink:var(--text, #1b2a44);
  --paper:var(--bg, #f4f6f9);
  --stamp:var(--accent, #c4392c);
  --stamp-soft:var(--accent-soft, #f8e9e7);
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --serif:'Hahmlet',serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  background:var(--paper);color:var(--ink);line-height:1.65;font-size:16px;padding:0 20px;
}
body.sehu-has-tools{padding-bottom:calc(88px + env(safe-area-inset-bottom, 0px))}
body.sehu-tools-open{overflow:hidden}
.wrap{max-width:680px;margin:0 auto;padding:48px 0 80px}
a{color:var(--link)}
.eyebrow{
  font-size:12.5px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;font-weight:600;
  word-break:keep-all;
}
.page-intro{display:grid;grid-template-columns:minmax(0,1fr) 200px;align-items:center;gap:14px;margin:20px 0 16px;min-width:0}
.page-intro-copy{min-width:0}
.title-lockup{display:flex;align-items:center;justify-content:center;gap:12px;margin:0 0 10px;min-width:0}
.title-mascot{display:block;width:52px;height:52px;object-fit:contain;flex:0 0 auto}
h1{font-family:var(--serif);font-weight:700;font-size:clamp(27px,5.6vw,36px);line-height:1.3;letter-spacing:-.01em;text-align:center;margin:0;min-width:0;white-space:nowrap}
.sub{color:var(--muted);font-size:15px;text-align:center;max-width:54ch;margin:0;word-break:keep-all}
.page-intro-visual{width:200px;margin:0;overflow:hidden;border-radius:18px}
.page-intro-visual img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:cover}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.notice{margin:0 0 14px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:var(--card);color:var(--muted);font-size:13px;font-weight:600;word-break:keep-all}
.notice.is-warning{color:var(--danger);background:var(--danger-bg);border-color:var(--danger-line)}
.dashboard{margin-bottom:18px}
.budget-hero{background:var(--stamp-soft);border:1px solid var(--stamp-line);border-radius:14px;padding:24px 22px 22px;box-shadow:var(--shadow-soft);text-align:center;min-width:0}
.budget-hero.is-over{background:var(--danger-bg);border-color:var(--danger-line)}
.result-kicker{color:var(--muted);font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:5px}
.hero-amount{font-size:clamp(31px,8.8vw,48px);font-weight:700;font-variant-numeric:tabular-nums;line-height:1.22;letter-spacing:-.035em;color:var(--stamp);overflow-wrap:anywhere}
.budget-hero.is-over .hero-amount{color:var(--danger)}
.hero-status{margin:8px auto 0;color:var(--prose);font-size:14px;font-weight:600;word-break:keep-all}
.today-progress-card{margin:12px 0 0;padding:14px 15px 13px;background:var(--card);border:1px solid var(--line);border-radius:12px;min-width:0}
.today-progress-card h2,.purchase-comparison h3{font-family:inherit;font-size:12.5px;font-weight:700;line-height:1.5;color:var(--muted);word-break:keep-all}
.progress-amounts,.purchase-bar-label{display:flex;align-items:baseline;justify-content:space-between;gap:10px;min-width:0}
.progress-amounts{margin:5px 0 8px}.progress-amounts strong,.progress-amounts span,.purchase-bar-label strong{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;min-width:0}
.progress-amounts strong{font-size:16px;color:var(--ink)}.progress-amounts span{font-size:13px;color:var(--muted);text-align:right}
.budget-bar-track{height:8px;border-radius:999px;background:var(--line);overflow:hidden;min-width:0}
.budget-bar-fill{width:0;height:100%;border-radius:inherit;background:var(--stamp);transition:width .2s ease}
.progress-caption,.progress-over,.purchase-scale{margin-top:7px;color:var(--subtle);font-size:11.5px;line-height:1.5;word-break:keep-all}
.progress-over{color:var(--muted);font-weight:600}.progress-over[hidden]{display:none}
.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0}
.summary-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 14px 13px;min-width:0}
.summary-card.summary-primary{box-shadow:inset 3px 0 0 var(--stamp)}
.summary-label{display:block;color:var(--muted);font-size:12px;font-weight:600;margin-bottom:4px;word-break:keep-all}
.summary-value{display:block;color:var(--ink);font-size:clamp(16px,4.7vw,21px);line-height:1.35;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em;overflow-wrap:anywhere}
.summary-card small{display:block;color:var(--subtle);font-size:11.5px;margin-top:2px}
.expense-open,.primary-button,.secondary-button{min-height:48px;border-radius:100px;font-family:inherit;font-size:15px;font-weight:700;cursor:pointer}
.expense-open{width:100%;border:0;background:var(--ink);color:var(--on-ink);box-shadow:var(--shadow-btn);margin-top:4px}
.expense-open:hover,.primary-button:hover{opacity:.92}
.expense-undo{display:block;border:0;background:transparent;color:var(--muted);font-family:inherit;font-size:12.5px;font-weight:600;text-decoration:underline;text-underline-offset:3px;cursor:pointer;margin:8px auto 0;padding:6px 10px;max-width:100%}
.expense-undo[hidden]{display:none}
button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.expense-panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin:12px 0 0;box-shadow:var(--shadow-soft)}
.expense-panel h2{font-family:var(--serif);font-size:19px;line-height:1.35;margin-bottom:15px}
.recent-expenses{margin:16px 0 0;padding:16px 2px 0;border-top:1px solid var(--line);min-width:0}
.recent-expenses-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;min-width:0}
.recent-expenses-head h2{font-family:var(--serif);font-size:18px;line-height:1.4}
.recent-expenses-head p{color:var(--subtle);font-size:11.5px;white-space:nowrap}
.recent-expenses-empty{padding:10px 0 3px;color:var(--muted);font-size:13.5px}
.recent-expenses-list{list-style:none;margin:5px 0 0;padding:0;min-width:0}
.recent-expenses-list[hidden]{display:none}
.recent-expense-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);min-width:0}
.recent-expense-row:last-child{border-bottom:0;padding-bottom:3px}
.recent-expense-date{min-width:0;color:var(--muted);font-size:13px;line-height:1.5;white-space:nowrap}
.recent-expense-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;min-width:0}
.recent-expense-amount{flex:0 0 auto;color:var(--ink);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.5;text-align:right;white-space:nowrap}
.recent-expense-delete{flex:0 0 auto;min-width:44px;min-height:44px;padding:0 7px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--stamp);font-family:inherit;font-size:12px;font-weight:500;line-height:1;cursor:pointer}
.recent-expense-delete:hover{background:var(--stamp-soft);color:var(--stamp)}
.purchase-card{scroll-margin-top:18px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin:18px 0 0;box-shadow:var(--shadow-soft);min-width:0}
.purchase-head{margin-bottom:17px}.purchase-kicker{color:var(--muted);font-size:11.5px;font-weight:700;letter-spacing:.06em;margin-bottom:3px}
.purchase-head h2{font-family:var(--serif);font-size:21px;line-height:1.35;margin:0 0 5px}.purchase-head>p:last-child{color:var(--muted);font-size:13.5px;line-height:1.65;word-break:keep-all}
.purchase-card form>label{display:block;color:var(--muted);font-size:12.5px;font-weight:700;margin:0 0 6px}
.purchase-preview-button{width:100%;margin-top:14px}
.purchase-result{margin-top:16px;padding:17px;border:1px solid var(--line);border-radius:12px;background:var(--paper);box-shadow:inset 3px 0 0 var(--muted);min-width:0}
.purchase-result[hidden]{display:none}.purchase-result[data-status="A"]{box-shadow:inset 3px 0 0 var(--stamp)}.purchase-result[data-status="C"]{border-style:dashed}
.purchase-message{font-size:15px;font-weight:700;line-height:1.55;word-break:keep-all;overflow-wrap:anywhere}
.purchase-comparison{margin-top:13px;padding-top:12px;border-top:1px solid var(--line);min-width:0}
.purchase-bar-row{margin-top:9px;min-width:0}.purchase-bar-label{margin-bottom:5px;color:var(--muted);font-size:12px}
.purchase-bar-label strong{color:var(--ink);font-size:13.5px;text-align:right}.purchase-after-fill{opacity:.62}
.purchase-metrics{display:grid;gap:8px;margin-top:12px}.purchase-metrics>div{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding-top:8px;border-top:1px solid var(--line);min-width:0}
.purchase-metrics>div[hidden]{display:none}.purchase-metrics dt{color:var(--muted);font-size:12.5px;font-weight:600;word-break:keep-all}.purchase-metrics dd{color:var(--ink);font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;text-align:right;overflow-wrap:anywhere;min-width:0}
.purchase-last-day{margin-top:12px;padding-top:10px;border-top:1px solid var(--line);color:var(--prose);font-size:13px;font-weight:600;line-height:1.6;word-break:keep-all}.purchase-last-day[hidden]{display:none}
.purchase-record-button{width:100%;margin-top:15px;white-space:normal}.purchase-record-button:disabled{cursor:not-allowed;opacity:.55}
.money-input-row,.input-with-unit{display:flex;align-items:center;gap:8px;border:1px solid var(--input-border);border-radius:10px;background:var(--input-bg);padding:0 12px}
.money-input-row:focus-within,.input-with-unit:focus-within{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.money-input-row input,.input-with-unit input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:var(--ink);font-family:inherit;font-variant-numeric:tabular-nums}
.money-input-row input{font-size:28px;font-weight:700;padding:12px 0}
.money-input-row span,.input-with-unit span{color:var(--muted);font-weight:700;white-space:nowrap}
.form-actions{display:grid;grid-template-columns:1fr 1.4fr;gap:9px;margin-top:14px}
.primary-button{border:0;background:var(--ink);color:var(--on-ink);padding:11px 17px;box-shadow:var(--shadow-btn)}
.secondary-button{border:1px solid var(--line);background:var(--card);color:var(--ink);padding:10px 16px}
.settings-card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-soft);overflow:hidden}
.settings-card.is-setup{margin-top:2px}
.settings-card summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:58px;padding:14px 20px;font-family:var(--serif);font-size:18px;font-weight:700;cursor:pointer;list-style:none}
.settings-card summary::-webkit-details-marker{display:none}
.settings-chevron{font-family:var(--mono);color:var(--muted);font-size:20px;transition:transform .15s}
.settings-card[open] .settings-chevron{transform:rotate(45deg)}
.settings-content{border-top:1px solid var(--line);padding:18px 20px 20px}
.settings-intro{color:var(--muted);font-size:13.5px;line-height:1.65;margin-bottom:16px;word-break:keep-all}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px 12px}
.form-field{min-width:0}
.form-field-wide{grid-column:1/-1}
.form-field label{display:block;color:var(--muted);font-size:12.5px;font-weight:700;margin:0 0 6px}
.input-with-unit input{font-size:16px;font-weight:600;padding:10px 0}
.field-error{color:var(--danger);font-size:12.5px;font-weight:600;line-height:1.55;margin:8px 2px 0;word-break:keep-all}
.settings-save{width:100%;margin-top:16px}
.reset-button{display:block;border:0;background:transparent;color:var(--muted);font-family:inherit;font-size:12.5px;text-decoration:underline;text-underline-offset:3px;cursor:pointer;margin:18px auto 0;padding:6px}
.reset-button[hidden]{display:none}
.budget-guide{margin:36px 0 0}
.budget-guide>h2{font-family:var(--serif);font-size:22px;line-height:1.4;margin:0 0 8px}
.budget-guide-intro{max-width:60ch;color:var(--muted);font-size:14.5px;line-height:1.75;margin:0 0 12px;word-break:keep-all;overflow-wrap:break-word}
.budget-formula{margin:0 0 16px;padding:13px 15px;border-left:3px solid var(--stamp);border-radius:0 10px 10px 0;background:var(--card);color:var(--prose);font-size:13.5px;font-weight:650;line-height:1.7;word-break:keep-all;overflow-wrap:break-word}
.budget-guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.budget-guide-card{min-width:0;padding:18px;background:var(--card);border:1px solid var(--line);border-radius:12px}
.budget-guide-card h3{font-family:var(--serif);font-size:16px;line-height:1.5;margin:0 0 7px;word-break:keep-all}
.budget-guide-card p{color:var(--prose);font-size:13.5px;line-height:1.75;margin:0;word-break:keep-all;overflow-wrap:break-word}
.privacy-note{font-size:12px;color:var(--subtle);line-height:1.65;margin:14px 4px 0;word-break:keep-all}
footer{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);font-size:12.5px;color:var(--subtle);line-height:1.7}
footer a{color:var(--muted)}

.tools-fab{position:fixed;z-index:40;left:50%;bottom:calc(16px + env(safe-area-inset-bottom, 0px));transform:translateX(-50%);display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 20px;border:0;border-radius:999px;background:var(--fab-bg);color:var(--fab-text);font-family:inherit;font-size:14.5px;font-weight:700;cursor:pointer;box-shadow:var(--shadow-fab)}
.tools-fab-icon{flex:0 0 auto;display:block}
.tools-dialog{border:0;padding:0;margin:0;max-width:100%;width:100%;background:transparent;color:var(--ink)}
.tools-dialog:not([open]){display:none}
.tools-dialog[open]{display:flex;align-items:flex-end;justify-content:center;position:fixed;inset:0;width:100%;height:100%;max-height:100%;z-index:50}
.tools-dialog::backdrop{background:var(--overlay)}
.tools-sheet{width:100%;max-width:680px;max-height:80dvh;overflow-x:hidden;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;background:var(--card);border:1px solid var(--line);border-bottom:0;border-radius:16px 16px 0 0;box-shadow:var(--shadow-soft);padding:6px 16px calc(18px + env(safe-area-inset-bottom, 0px));min-width:0}
.tools-handle{width:40px;height:4px;border-radius:999px;background:var(--line);margin:8px auto 10px}
.tools-head{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 12px;padding:4px 0 8px;background:var(--card)}
.tools-title{font-family:var(--serif);font-size:18px;font-weight:700;line-height:1.3;margin:0;color:var(--ink)}
.tools-close{flex:0 0 auto;width:44px;height:44px;min-width:44px;min-height:44px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.tools-cat{margin:0 0 14px;padding:0 0 14px;border-bottom:1px solid var(--line);min-width:0}
.tools-cat:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.tools-cat-title{font-size:11px;font-weight:700;line-height:1.4;margin:0 0 8px;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.tools-list{list-style:none;margin:0;padding:0;display:grid;gap:8px;min-width:0}
.tools-link{display:flex;align-items:center;min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);font-size:14.5px;font-weight:600;line-height:1.45;text-decoration:none;word-break:keep-all}
.tools-link:hover{border-color:var(--ink)}
.tools-link.is-current,.tools-link[aria-current="page"]{border-color:var(--ink);background:var(--stamp-soft);font-weight:700;box-shadow:inset 3px 0 0 var(--stamp)}
.tools-fallback{position:static;margin:28px 0 0;padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--card);line-height:1.65;color:var(--ink)}
.tools-fallback strong{display:block;margin-bottom:8px;font-size:15px}.tools-fallback ul{margin:0;padding-left:1.2em}.tools-fallback li{margin:4px 0}.tools-fallback a{font-weight:600;color:var(--ink)}

@media (min-width:769px){
  body.sehu-has-tools{padding-bottom:88px}
  .tools-fab{left:auto;right:24px;bottom:24px;transform:none}
  .tools-dialog[open]{align-items:flex-end;justify-content:flex-end;padding:0 24px 24px 0}
  .tools-sheet{width:min(400px, calc(100vw - 48px));max-width:400px;max-height:min(70dvh,560px);border-radius:14px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:10px 16px 16px}
}
@media (max-width:768px){
  .page-intro{display:block;margin-bottom:30px}.page-intro-visual{display:none}
  .tools-fab{bottom:calc(12px + env(safe-area-inset-bottom, 0px));min-height:48px;padding:10px 16px;font-size:13.5px}
  body.sehu-has-tools{padding-bottom:calc(96px + env(safe-area-inset-bottom, 0px))}
}
@media (max-width:520px){
  .wrap{padding-top:36px}.page-intro{margin-bottom:24px}.sub{font-size:15.5px;line-height:1.8}
  .title-lockup{gap:10px}.title-mascot{width:44px;height:44px}.title-lockup h1{max-width:190px;white-space:normal;word-break:keep-all}
  .recent-expenses + .purchase-card{margin-top:8px}
  .budget-hero{padding:22px 15px 20px}.today-progress-card{padding:13px}.summary-card{padding:12px 11px 11px}.purchase-card{padding:17px 15px}.purchase-result{padding:15px 13px}.settings-content{padding:16px}
  .budget-guide{margin-top:30px}.budget-guide-grid{grid-template-columns:1fr}.budget-guide-card{padding:16px}
  .settings-card summary{padding:13px 16px}.tools-title{font-size:17px}.tools-link{font-size:14px}
}
@media (max-width:360px){
  body{padding:0 16px}.summary-grid{grid-template-columns:1fr}.hero-amount{font-size:30px}.form-grid{grid-template-columns:1fr}.form-field-wide{grid-column:auto}
  .recent-expense-row{gap:8px}.recent-expense-date{font-size:12px}.recent-expense-actions{gap:5px}.recent-expense-amount{font-size:13px}
}
@media (prefers-reduced-motion:reduce){.settings-chevron,.budget-bar-fill{transition:none}}