/* わりかんメモ — 紙色ベース + インク + 柿色アクセント（基本色3色） */
:root{
  --paper:#FAF6EF;
  --surface:#FFFDF8;
  --ink:#2B2622;
  --ink-soft:#6E6459;
  --accent:#E4572E;
  --accent-dark:#C7431F;
  --accent-soft:#FDEEE6;
  --line:#E7DFD2;
  --good:#2E7D4F;
  --bad:#C0392B;
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 2px 10px rgba(43,38,34,.07), 0 10px 30px rgba(43,38,34,.05);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:"Hiragino Maru Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic UI",system-ui,sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.55;
  padding-bottom:calc(96px + env(safe-area-inset-bottom));
}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h2{font-size:22px;line-height:1.35}
h3{font-size:17px}
svg{display:block}

/* ===== ヘッダー ===== */
.app-header{
  position:sticky;top:0;z-index:30;
  background:rgba(250,246,239,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.app-header-inner{
  max-width:640px;margin:0 auto;padding:8px 16px;
  display:flex;align-items:center;justify-content:space-between;min-height:56px;
}
.brand{display:flex;align-items:center;gap:8px}
.brand-icon{width:32px;height:32px}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.02em}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--ink);
}
.icon-btn:active{background:var(--accent-soft)}
.icon-btn svg{width:22px;height:22px}

/* ===== レイアウト ===== */
main{max-width:640px;margin:0 auto;padding:16px 16px 24px}
.view-title{margin-bottom:8px}
.view-lead{color:var(--ink-soft);font-size:15px;margin-bottom:16px}

/* ===== ヒーロー ===== */
.hero-card{
  background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:20px;margin-bottom:24px;position:relative;overflow:hidden;
}
.hero-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:6px;background:var(--accent);
}
.hero-label{font-size:13px;color:var(--ink-soft);font-weight:700;letter-spacing:.06em}
.hero-amount{font-size:38px;font-weight:800;line-height:1.15;margin:4px 0}
.hero-amount.zero{color:var(--good)}
.hero-next{font-size:15px;color:var(--ink-soft)}
.hero-next strong{color:var(--ink)}
.hero-progress{height:10px;border-radius:99px;background:var(--line);margin-top:14px;overflow:hidden}
.hero-progress-bar{height:100%;background:var(--accent);border-radius:99px;transition:width .5s ease}
.hero-stats{display:flex;gap:16px;margin-top:14px;flex-wrap:wrap}
.hero-stat{font-size:13px;color:var(--ink-soft)}
.hero-stat b{display:block;font-size:17px;color:var(--ink)}

/* ===== 空状態 ===== */
.empty-state{
  background:var(--surface);border:1.5px dashed var(--line);border-radius:var(--radius-lg);
  padding:28px 20px;text-align:center;margin-bottom:24px;
}
.empty-illust{width:110px;height:auto;margin:0 auto 12px}
.empty-lead{color:var(--ink-soft);margin:8px 0 16px}
.steps{list-style:none;text-align:left;max-width:330px;margin:0 auto 20px;display:grid;gap:10px}
.steps li{display:flex;align-items:center;gap:10px;font-weight:600}
.step-num{
  flex:none;width:26px;height:26px;border-radius:50%;background:var(--accent);color:#FFF7ED;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;
}
.empty-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* ===== ボタン ===== */
.btn{
  min-height:48px;padding:10px 18px;border-radius:99px;font-weight:700;font-size:16px;
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--accent);color:#FFF7ED}
.btn-primary:active{background:var(--accent-dark)}
.btn-outline{border:1.5px solid var(--ink);color:var(--ink);background:transparent}
.btn-outline:active{background:var(--accent-soft)}
.btn-ghost{color:var(--ink-soft)}
.btn-small{min-height:44px;padding:6px 14px;font-size:14px}
.btn-danger-ghost{color:var(--bad)}
.file-label{cursor:pointer}

/* ===== グループ一覧 ===== */
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.group-list{display:grid;gap:12px}
.group-card{
  width:100%;text-align:left;background:var(--surface);border:1.5px solid var(--line);
  border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:8px;min-height:44px;
}
.group-card:active{border-color:var(--accent)}
.group-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}
.group-card-name{font-size:18px;font-weight:800}
.badge{
  flex:none;font-size:12px;font-weight:700;padding:3px 10px;border-radius:99px;
  background:var(--accent-soft);color:var(--accent-dark);
}
.badge.settled{background:#E5F2EA;color:var(--good)}
.badge.pending{background:#FBE9E4;color:var(--bad)}
.group-card-meta{font-size:13.5px;color:var(--ink-soft)}
.group-card-recent{font-size:13.5px;color:var(--ink-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.group-card-progress{height:8px;border-radius:99px;background:var(--line);overflow:hidden}
.group-card-progress-bar{height:100%;background:var(--accent)}
.tag-row{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:12px;color:var(--ink-soft);border:1px solid var(--line);border-radius:99px;padding:2px 9px}

/* ===== グループ詳細 ===== */
.back-link{display:inline-flex;align-items:center;gap:2px;min-height:44px;font-weight:700;color:var(--ink-soft)}
.back-link svg{width:20px;height:20px}
.group-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;margin-bottom:6px}
.group-meta{color:var(--ink-soft);font-size:14px;margin-top:2px}
.tabs{display:flex;gap:6px;background:var(--surface);border:1.5px solid var(--line);border-radius:99px;padding:4px;margin:14px 0 18px}
.tab{flex:1;min-height:44px;border-radius:99px;font-weight:700;color:var(--ink-soft)}
.tab.is-active{background:var(--ink);color:var(--paper)}
.panel-title{margin:18px 0 10px}
.panel-title:first-child{margin-top:0}

/* 精算カード */
.settle-card{
  background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:16px;margin-bottom:12px;
}
.settle-step{font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--accent-dark)}
.settle-flow{display:flex;align-items:center;gap:10px;margin:8px 0 4px}
.avatar{
  flex:none;width:44px;height:44px;border-radius:50%;background:var(--accent-soft);color:var(--accent-dark);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
}
.avatar.to{background:#E5F2EA;color:var(--good)}
.settle-name{font-weight:800;font-size:16px}
.settle-arrow{flex:1;display:flex;flex-direction:column;align-items:center;color:var(--ink-soft)}
.settle-arrow svg{width:30px;height:18px}
.settle-arrow-amount{font-size:22px;font-weight:800;color:var(--ink)}
.settle-done-btn{margin-top:10px;width:100%}
.all-settled{
  background:#E5F2EA;border:1.5px solid #BFE0CC;color:var(--good);
  border-radius:var(--radius-lg);padding:20px;text-align:center;font-weight:800;font-size:17px;
}
.share-row{display:flex;gap:10px;margin:14px 0 4px;flex-wrap:wrap}
.share-row .btn{flex:1;min-width:150px}
.history-item{
  display:flex;justify-content:space-between;gap:10px;padding:10px 2px;border-bottom:1px solid var(--line);
  font-size:15px;
}
.history-item .h-date{color:var(--ink-soft);font-size:13px}
.empty-note{color:var(--ink-soft);font-size:14.5px;padding:8px 0}

/* 記録 */
.record-tools{display:flex;gap:8px;margin-bottom:12px}
.search-box{
  flex:1;display:flex;align-items:center;gap:6px;background:var(--surface);
  border:1.5px solid var(--line);border-radius:99px;padding:0 14px;min-height:48px;
}
.search-box svg{width:18px;height:18px;color:var(--ink-soft);flex:none}
.search-box input{border:none;background:none;outline:none;width:100%;font-size:16px}
.select{
  min-height:48px;border:1.5px solid var(--line);border-radius:99px;background:var(--surface);
  padding:0 12px;font-size:15px;max-width:44%;
}
.record-item{
  width:100%;text-align:left;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius);
  padding:12px 14px;margin-bottom:8px;display:flex;justify-content:space-between;gap:10px;min-height:44px;
}
.record-item:active{border-color:var(--accent)}
.record-main{min-width:0}
.record-title{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.record-sub{font-size:13px;color:var(--ink-soft)}
.record-amount{font-weight:800;font-size:17px;white-space:nowrap}
.treat-badge{font-size:11.5px;font-weight:800;color:var(--accent-dark);background:var(--accent-soft);border-radius:99px;padding:1px 8px;margin-left:6px;vertical-align:2px}

/* 貢献度・メンバー */
.contrib-row{margin-bottom:14px}
.contrib-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.contrib-name{font-weight:800}
.mvp-badge{font-size:12px;font-weight:800;color:#FFF7ED;background:var(--accent);border-radius:99px;padding:2px 9px;margin-left:6px}
.contrib-nums{font-size:13.5px;color:var(--ink-soft)}
.contrib-bar{height:12px;background:var(--line);border-radius:99px;overflow:hidden;margin-top:5px}
.contrib-bar-fill{height:100%;background:var(--accent);border-radius:99px}
.member-row{
  display:flex;align-items:center;gap:10px;padding:10px 2px;border-bottom:1px solid var(--line);
}
.member-row .avatar{width:38px;height:38px;font-size:15px}
.member-name{font-weight:700;flex:1}
.self-badge{font-size:12px;font-weight:800;color:var(--good);background:#E5F2EA;border-radius:99px;padding:2px 9px}
.member-actions{display:flex;gap:2px}
.member-actions .icon-btn{width:44px;height:44px;color:var(--ink-soft)}
.member-actions svg{width:19px;height:19px}
.inline-form{display:flex;gap:8px;margin-top:14px}
.inline-form .input{flex:1}
.hint{font-size:13.5px;color:var(--ink-soft);margin-top:10px}

/* ===== お財布 ===== */
.wallet-total{
  background:var(--ink);color:var(--paper);border-radius:var(--radius-lg);padding:20px;margin-bottom:20px;
}
.wallet-total .hero-label{color:#CBBFAE}
.wallet-total .hero-amount{color:var(--paper)}
.wallet-breakdown h3{margin:20px 0 10px}
.wbar-row{margin-bottom:12px}
.wbar-head{display:flex;justify-content:space-between;font-size:15px}
.wbar-head .wbar-name{font-weight:700}
.wbar-track{height:12px;background:var(--line);border-radius:99px;overflow:hidden;margin-top:4px}
.wbar-fill{height:100%;background:var(--accent)}
.stack-bar{display:flex;height:26px;border-radius:99px;overflow:hidden;margin-bottom:10px;background:var(--line)}
.stack-seg{height:100%}
.legend{display:grid;gap:6px}
.legend-item{display:flex;align-items:center;gap:8px;font-size:14.5px}
.legend-dot{width:12px;height:12px;border-radius:4px;flex:none}
.legend-item .legend-amount{margin-left:auto;font-weight:700}

/* ===== FAB・下部ナビ ===== */
.fab{
  position:fixed;right:16px;bottom:calc(84px + env(safe-area-inset-bottom));z-index:40;
  display:flex;align-items:center;gap:7px;min-height:56px;padding:14px 22px;border-radius:99px;
  background:var(--accent);color:#FFF7ED;font-weight:800;font-size:16.5px;
  box-shadow:0 8px 22px rgba(199,67,31,.4);
}
.fab:active{background:var(--accent-dark)}
.fab svg{width:21px;height:21px}
.bottom-nav{
  position:fixed;left:0;right:0;bottom:0;z-index:40;
  background:rgba(255,253,248,.96);backdrop-filter:blur(8px);border-top:1px solid var(--line);
  display:flex;padding-bottom:env(safe-area-inset-bottom);
}
.nav-item{
  flex:1;min-height:60px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:12.5px;font-weight:700;color:var(--ink-soft);
}
.nav-item svg{width:23px;height:23px}
.nav-item.is-active{color:var(--accent-dark)}

/* ===== シート（モーダル） ===== */
.sheet-backdrop{
  position:fixed;inset:0;z-index:50;background:rgba(43,38,34,.45);
  display:flex;align-items:flex-end;justify-content:center;
}
.sheet{
  background:var(--surface);width:100%;max-width:640px;max-height:92dvh;overflow-y:auto;
  border-radius:24px 24px 0 0;padding:22px 20px calc(20px + env(safe-area-inset-bottom));
  animation:sheet-up .22s ease;
}
@keyframes sheet-up{from{transform:translateY(24px);opacity:.4}to{transform:none;opacity:1}}
.sheet h3{margin-bottom:16px;font-size:19px}
.field{display:block;margin-bottom:16px}
.field-label{display:block;font-weight:700;font-size:14.5px;margin-bottom:7px}
.input{
  width:100%;min-height:48px;border:1.5px solid var(--line);border-radius:12px;
  background:var(--paper);padding:10px 12px;font-size:16px;outline:none;
}
.input:focus{border-color:var(--accent)}
textarea.input{resize:vertical}
.chip-row{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  min-height:44px;padding:8px 15px;border-radius:99px;border:1.5px solid var(--line);
  background:var(--surface);font-weight:700;font-size:15px;
}
.chip.is-selected{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.chip.multi.is-selected{background:var(--accent);border-color:var(--accent);color:#FFF7ED}
.amount-hero{
  display:flex;align-items:center;gap:6px;background:var(--paper);border:1.5px solid var(--line);
  border-radius:var(--radius);padding:10px 16px;margin-bottom:10px;
}
.amount-hero:focus-within{border-color:var(--accent)}
.amount-currency{font-size:26px;font-weight:800;color:var(--ink-soft)}
.amount-input{
  flex:1;border:none;background:none;outline:none;font-size:38px;font-weight:800;
  text-align:right;min-width:0;
}
.amount-input::placeholder{color:#CFC4B2}
.quick-amounts{display:flex;gap:8px;margin-bottom:18px}
.quick-amounts .chip{flex:1}
.switch-row{display:flex;align-items:center;gap:10px;min-height:48px;font-weight:600;cursor:pointer;margin-bottom:8px}
.switch-row input{width:22px;height:22px;accent-color:var(--accent)}
.details-box{margin-bottom:8px}
.details-box summary{min-height:44px;display:flex;align-items:center;font-weight:700;color:var(--ink-soft);cursor:pointer}
.sheet-actions{display:flex;align-items:center;gap:8px;margin-top:18px}
.sheet-actions .spacer{flex:1}
.backup-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}

/* ===== トースト ===== */
.toast{
  position:fixed;left:50%;transform:translateX(-50%);bottom:calc(160px + env(safe-area-inset-bottom));z-index:60;
  background:var(--ink);color:var(--paper);font-weight:700;font-size:15px;
  padding:12px 20px;border-radius:99px;box-shadow:var(--shadow);display:flex;align-items:center;gap:8px;
  animation:toast-in .2s ease;max-width:calc(100vw - 32px);text-align:center;
}
.toast svg{width:19px;height:19px;color:#8FD6A8;flex:none}
@keyframes toast-in{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}

@media (min-width:560px){
  .sheet{border-radius:24px;margin-bottom:24px}
  .sheet-backdrop{align-items:center;padding:0 16px}
}