:root{
  --deep:#243E3B;
  --surface:#FCF5E8;
  --surface-2:#E9DDCA;
  --card:#FFF8EC;
  --text:#0D0D0D;
  --muted:#5F5A51;
  --copper:#C97856;
  --border:#E0D1BC;
  --soft:#F4E0CF;
  --shadow: rgba(36,62,59,.12);
  --ok:#2D5550;
  color-scheme: light;
}
[data-theme="dark"]{
  --deep:#FCF5E8;
  --surface:#141F1E;
  --surface-2:#1E2B2A;
  --card:#1E2B2A;
  --text:#FCF5E8;
  --muted:#E9DDCA;
  --copper:#C97856;
  --border:rgba(233,221,202,.22);
  --soft:rgba(201,120,86,.18);
  --shadow: rgba(0,0,0,.22);
  --ok:#E9DDCA;
  color-scheme: dark;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--surface);color:var(--text);}
body{
  background:
    radial-gradient(circle at 12% -10%, rgba(201,120,86,.18), transparent 35%),
    radial-gradient(circle at 92% 4%, rgba(36,62,59,.16), transparent 34%),
    linear-gradient(180deg,var(--surface) 0%,var(--surface-2) 100%);
}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.app{min-height:100dvh;display:flex;flex-direction:column;max-width:620px;margin:0 auto;background:rgba(252,245,232,.35);}
[data-theme="dark"] .app{background:rgba(20,31,30,.65)}
.topbar{position:sticky;top:0;z-index:20;padding:14px 20px 10px;background:rgba(252,245,232,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--border);}
[data-theme="dark"] .topbar{background:rgba(20,31,30,.88)}
.brand{font-family:Georgia,serif;font-size:26px;color:var(--deep);letter-spacing:-.02em;display:flex;align-items:center;gap:4px}
.brand-dot{width:8px;height:8px;border-radius:50%;background:var(--copper);display:inline-block;margin-top:11px}
main{flex:1;padding:20px 20px 92px}
h1,h2,h3,blockquote{font-family:Georgia,serif;font-weight:400;color:var(--deep)}
h1{font-size:32px;line-height:1.2;margin:0 0 14px}
h2{font-size:22px;line-height:1.3;margin:0 0 10px}
p{font-size:16px;line-height:1.6;margin:0 0 12px}
.meta,.label{font-size:12px;color:var(--muted)}
.label{text-transform:uppercase;letter-spacing:.14em;font-weight:700}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;box-shadow:0 14px 32px var(--shadow);margin-bottom:16px}
.soft-card{background:var(--soft);border:1px solid rgba(201,120,86,.25);border-radius:12px;padding:16px;margin-bottom:16px}
.btn{min-height:44px;border:none;border-radius:999px;padding:12px 16px;background:var(--deep);color:var(--surface);font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn.secondary{background:var(--surface-2);color:var(--deep);border:1px solid var(--border)}
.btn.ghost{background:transparent;color:var(--deep);border:1px solid var(--border)}
.btn.warn{background:#7b422f;color:#fff}
.btn.full{width:100%}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}
.progress{height:4px;background:var(--surface-2);border-radius:999px;overflow:hidden;margin:10px 0 38px}
.progress span{display:block;height:100%;background:var(--deep);transition:width .25s ease}
.back-link{background:transparent;border:none;color:var(--muted);padding:8px 0;margin-bottom:8px}
.onboarding{min-height:100dvh;padding:20px;display:flex;flex-direction:column;justify-content:space-between}
.onboarding .brand{margin-top:12px}
.footer-banner{position:fixed;left:12px;right:12px;bottom:74px;background:var(--surface-2);color:var(--muted);border:1px solid var(--border);border-radius:16px;padding:12px;z-index:50;box-shadow:0 18px 40px var(--shadow);display:flex;gap:10px;align-items:center}
.footer-banner p{font-size:13px;line-height:1.35;margin:0;flex:1}
.footer-banner button{border:0;border-radius:999px;background:var(--deep);color:var(--surface);padding:8px 12px}
.nav{position:fixed;left:50%;bottom:0;transform:translateX(-50%);z-index:30;width:min(620px,100%);height:64px;background:rgba(252,245,232,.94);backdrop-filter:blur(18px);border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(5,1fr);padding-bottom:env(safe-area-inset-bottom)}
[data-theme="dark"] .nav{background:rgba(20,31,30,.94)}
.nav button{border:none;background:transparent;color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:11px;min-height:56px}
.nav button.active{color:var(--deep);font-weight:700}
.nav .icon{font-size:19px}
.mood-section-title{font-size:13px;font-weight:700;color:var(--muted);margin:20px 0 8px}
.mood-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.mood{min-height:72px;border-radius:20px;border:1px solid transparent;background:var(--card);color:var(--text);padding:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.mood span{font-size:24px}
.mood small{font-size:13px;font-weight:600}
.mood.selected{border-color:var(--copper);background:var(--surface-2)}
.intensity{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.intensity button{min-height:44px;border:none;border-radius:16px;background:var(--card);border:1px solid var(--border);color:var(--muted);font-size:12px}
.intensity button.selected{background:var(--surface-2);color:var(--deep);border-color:var(--copper);font-weight:700}
textarea{width:100%;min-height:140px;border-radius:12px;border:1px solid var(--border);background:var(--card);color:var(--text);padding:16px;resize:vertical;font-size:16px;line-height:1.6}
.input{width:100%;min-height:44px;border-radius:999px;border:1px solid var(--border);background:var(--card);color:var(--text);padding:10px 14px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{min-height:36px;border:none;border-radius:20px;padding:8px 12px;background:var(--surface-2);color:var(--muted);font-size:13px}
.tag.selected{background:var(--deep);color:var(--surface)}
.also-true{font-family:Georgia,serif;font-style:italic}
.prompt-card{padding:12px;border:1px solid var(--border);border-radius:12px;background:var(--surface-2);display:flex;justify-content:space-between;gap:10px;color:var(--muted)}
.hidden{display:none!important}
.fade-in{animation:fade .24s ease both}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.entry-list{display:flex;flex-direction:column;gap:10px}
.entry-item{width:100%;border:none;text-align:left;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px;color:var(--text)}
.entry-top{display:flex;gap:10px;align-items:flex-start}
.entry-emoji{font-size:28px}
.entry-text{font-size:15px;margin:6px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.filter-row{display:flex;gap:8px;overflow:auto;margin:0 0 14px;padding-bottom:2px}
.filter-row button{white-space:nowrap;border:none;border-radius:999px;background:var(--surface-2);color:var(--muted);padding:9px 12px;min-height:38px}
.filter-row button.active{background:var(--deep);color:var(--surface)}
.arc-wrap{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px;margin-bottom:16px}
.arc-svg{width:100%;height:240px;display:block}
.arc-summary{border-radius:12px;background:var(--surface-2);padding:12px;color:var(--text);margin-top:10px}
.settings-section{margin-bottom:20px}
.settings-row{display:flex;justify-content:space-between;align-items:center;gap:12px;border:1px solid var(--border);background:var(--card);border-radius:12px;padding:14px;margin-bottom:10px}
.settings-row div p{margin:2px 0 0;font-size:13px;color:var(--muted)}
.toggle{appearance:none;width:52px;height:30px;border-radius:999px;background:var(--surface-2);position:relative;border:1px solid var(--border)}
.toggle:checked{background:var(--deep)}
.toggle::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:var(--card);transition:left .2s ease}
.toggle:checked::after{left:25px}
.segment{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:var(--surface-2);padding:6px;border-radius:999px}
.segment button{border:0;border-radius:999px;background:transparent;color:var(--muted);padding:8px;font-size:13px}
.segment button.active{background:var(--card);color:var(--deep);font-weight:700}
details{border:1px solid var(--border);border-radius:12px;background:var(--card);padding:12px;margin-bottom:10px}
summary{cursor:pointer;font-weight:700;color:var(--deep)}
.support-line{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px solid var(--border);padding:10px 0}
.support-line:first-of-type{border-top:0}
.support-line a{color:var(--deep);font-weight:700}
.install-card,.feedback-card,.export-card{background:var(--soft);border:1px solid rgba(201,120,86,.26);border-radius:12px;padding:16px;margin-bottom:16px}
.empty{padding:36px 16px;text-align:center;color:var(--muted);font-family:Georgia,serif;font-style:italic}
.link{border:none;background:transparent;color:var(--muted);text-decoration:underline;padding:8px 0}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:80;display:flex;align-items:flex-end;justify-content:center}
.modal{width:min(620px,100%);background:var(--card);border-radius:20px 20px 0 0;padding:20px;border:1px solid var(--border);box-shadow:0 -20px 50px rgba(0,0,0,.18)}
@media (min-width:680px){
  .app{margin:24px auto;border:1px solid var(--border);border-radius:28px;min-height:calc(100dvh - 48px);overflow:hidden;box-shadow:0 24px 60px var(--shadow)}
  .nav{bottom:24px;border-radius:0 0 28px 28px}
  .topbar{border-radius:28px 28px 0 0}
  .mood-grid{grid-template-columns:repeat(6,1fr)}
}
.intensity button{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.intensity-dot-preview{
  display:block;
  border-radius:50%;
  background:var(--copper);
  opacity:.75;
}
.dot-1{width:10px;height:10px;opacity:.45}
.dot-2{width:13px;height:13px;opacity:.55}
.dot-3{width:16px;height:16px;opacity:.68}
.dot-4{width:20px;height:20px;opacity:.82}
.dot-5{width:24px;height:24px;opacity:1}
.linked-note{
  margin:8px 0 0;
  font-size:12px;
  color:var(--copper);
  line-height:1.35;
}
.connection-card{
  margin:12px 0;
  border:1px solid var(--border);
  background:var(--surface-2);
  border-radius:12px;
  padding:12px;
}
.connection-card p{
  margin:4px 0 0;
  font-size:13px;
  line-height:1.45;
  color:var(--muted);
}
.arc-legend{
  box-shadow:none;
}
.legend-row{
  display:flex;
  gap:12px;
  align-items:center;
  margin:0 0 12px;
}
.legend-row:last-child{margin-bottom:0}
.legend-row p{margin:0;font-size:14px;line-height:1.35}
.legend-row small{color:var(--muted)}
.legend-line{
  width:54px;
  height:0;
  border-top:3px solid var(--deep);
  opacity:.7;
  flex:0 0 auto;
}
.legend-line.story-line{
  border-top-color:var(--copper);
}
.legend-dots{
  width:54px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  flex:0 0 auto;
}
.legend-dots i{
  display:inline-block;
  border-radius:50%;
  background:var(--copper);
}
.dot-small{width:10px;height:10px;opacity:.5}
.dot-large{width:24px;height:24px;opacity:1}
.time-setting{
  align-items:flex-start;
}
.time-picker{
  min-width:220px;
  max-width:100%;
}
.time-controls{
  display:grid;
  grid-template-columns:72px 82px 1fr;
  gap:8px;
  align-items:center;
}
.ampm-toggle{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:4px;
  background:var(--surface-2);
  border:1px solid var(--border);
  border-radius:999px;
  padding:4px;
}
.ampm-toggle button{
  min-height:36px;
  border:0;
  border-radius:999px;
  background:transparent;
  color:var(--muted);
  font-weight:700;
}
.ampm-toggle button.active{
  background:var(--copper);
  color:#fff;
  box-shadow:0 4px 10px rgba(201,120,86,.25);
}
@media (max-width:430px){
  .time-setting{display:block}
  .time-picker{margin-top:12px}
  .time-controls{grid-template-columns:1fr 1fr;gap:8px}
  .ampm-toggle{grid-column:1 / -1}
}
/* v1.2 link-unselect and Arc summary update */
.link-option.selected{
  border-color:var(--copper);
  background:var(--soft);
  box-shadow:0 0 0 2px rgba(201,120,86,.20) inset;
}
.connection-status{
  display:inline-flex;
  margin-top:8px;
  border-radius:999px;
  background:var(--copper);
  color:#fff;
  padding:5px 9px;
  font-size:12px;
  font-weight:700;
}
.selected-connection{
  margin:12px 0 4px;
  border:1px solid rgba(201,120,86,.35);
  background:var(--soft);
  border-radius:12px;
  padding:12px;
}
.selected-connection p{
  margin:4px 0 6px;
  font-size:13px;
  line-height:1.45;
  color:var(--muted);
}
.arc-summary .connection-card{
  margin-top:12px;
}

/* v2 features: search, calendar, app lock, restore, safer deletion, accessibility */
.nav{grid-template-columns:repeat(6,1fr)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px}
.top-action{border:1px solid var(--border);background:var(--surface-2);color:var(--deep);border-radius:999px;padding:8px 12px;font-weight:700}
.entry-inline{width:100%;border:0;background:transparent;color:inherit;text-align:left;padding:0}
.insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0 0 16px}
.mini-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px;box-shadow:0 10px 24px var(--shadow)}
.mini-card span{display:block;font-family:Georgia,serif;font-size:24px;color:var(--deep);line-height:1.1;word-break:break-word}
.mini-card p{margin:4px 0 0;font-size:12px;line-height:1.3;color:var(--muted)}
.search-box{margin-bottom:12px}
.tiny-tags{margin-top:8px;gap:5px}
.tiny-tags .tag{min-height:26px;font-size:11px;padding:5px 8px}
.entry-detail .card{box-shadow:0 14px 32px var(--shadow)}
.entry-detail-text{white-space:pre-wrap}
.field-label{display:block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:14px 0 8px}
.field-label span{text-transform:none;letter-spacing:0;font-weight:400}
.short-textarea{min-height:84px}
.link-list{margin-top:10px;margin-bottom:12px}
.calendar-controls{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-bottom:12px}
.calendar-weekdays{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin-bottom:6px;color:var(--muted);font-size:12px;font-weight:700;text-align:center}
.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin-bottom:16px}
.calendar-day{min-height:68px;border:1px solid var(--border);border-radius:12px;background:var(--card);color:var(--text);padding:8px;text-align:left;display:flex;flex-direction:column;justify-content:space-between}
.calendar-day.outside{opacity:.45}
.calendar-day.today{border-color:var(--copper);box-shadow:0 0 0 2px rgba(201,120,86,.2) inset}
.calendar-day span{font-weight:700;color:var(--deep)}
.day-dots{display:flex;gap:3px;align-items:center;flex-wrap:wrap}
.day-dots i{width:8px;height:8px;border-radius:50%;display:inline-block;background:var(--muted)}
.day-dots i.lighter{background:var(--copper)}
.day-dots i.difficult{background:var(--deep)}
.day-dots small{font-size:10px;color:var(--muted)}
.storage-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px;margin:12px 0}
.storage-meter{height:8px;border-radius:999px;background:var(--surface-2);overflow:hidden;margin:8px 0}
.storage-meter span{display:block;height:100%;background:var(--copper)}
.lock-screen{min-height:100dvh;display:flex;flex-direction:column;justify-content:center;gap:20px;width:min(520px,100%);margin:0 auto;padding:20px}
.lock-card{margin:0}
.pin-input{text-align:center;font-size:24px;letter-spacing:.25em}
.error-text{color:#9d3d2f;font-size:13px;margin-top:10px}
.toast{position:fixed;left:50%;bottom:78px;transform:translateX(-50%);z-index:100;width:min(580px,calc(100% - 24px));background:var(--deep);color:var(--surface);border-radius:16px;padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 18px 40px var(--shadow)}
.toast p{margin:0;font-size:14px;color:inherit}
.toast .link{color:var(--surface);font-weight:700}
.fatal{max-width:620px;margin:0 auto;padding:24px}
.fatal pre{white-space:pre-wrap;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px;color:var(--muted)}
.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}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--copper);outline-offset:3px}
.arc-svg [role="button"]{cursor:pointer}
.filter-row button[aria-pressed="true"]{background:var(--deep);color:var(--surface)}
@media (max-width:430px){
  .nav .icon{font-size:17px}
  .nav button{font-size:10px}
  .insight-grid{grid-template-columns:1fr}
  .calendar-day{min-height:54px;padding:6px;border-radius:10px}
  .calendar-controls{grid-template-columns:1fr}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}
}