/* MoneyFlow — "สมุดบัญชีอบอุ่น"
   พื้นกระดาษ + หมึกน้ำเงินเข้ม + จานสีจากธนบัตรไทย */

:root{
  --paper:#FBF9F6;        /* พื้นกระดาษอุ่น */
  --card:#FFFFFF;
  --card-2:#F5F2ED;       /* พื้นรองในการ์ด */
  --ink:#1B2432;          /* หมึกน้ำเงินเข้ม ใช้แทนดำ */
  --ink-2:#4A5568;
  --ink-3:#8A93A2;
  --line:#EBE5DC;
  --line-2:#DFD8CD;

  --in:#1F7A5C;           /* เขียวธนบัตร 20 — เงินเข้า */
  --in-soft:#E6F2ED;
  --out:#C4453B;          /* แดงชาดธนบัตร 100 — เงินออก */
  --out-soft:#FBECEA;
  --amber:#C98A2B;        /* ทองครุฑ — เตือนงบใกล้หมด */
  --amber-soft:#FBF1DF;

  --radius:20px;
  --radius-sm:14px;
  --shadow:0 1px 2px rgba(27,36,50,.04), 0 8px 24px -12px rgba(27,36,50,.14);
  --shadow-lift:0 2px 6px rgba(27,36,50,.06), 0 18px 36px -18px rgba(27,36,50,.28);
  --safe-b:env(safe-area-inset-bottom,0px);

  --font-num:'Anuphan','Prompt',system-ui,sans-serif;
  --font-ui:'Prompt',system-ui,-apple-system,sans-serif;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--paper);color:var(--ink);
  font-family:var(--font-ui);font-weight:400;font-size:15px;line-height:1.55;
  -webkit-font-smoothing:antialiased;overscroll-behavior-y:none;
}
button,input,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
svg{display:block}
.hidden{display:none !important}
.center{text-align:center}

.note{color:var(--ink-3);font-size:12.5px;line-height:1.6;margin:0}
.note.dim{opacity:.82;margin-top:10px}
.head-note{color:var(--ink-3);font-size:12.5px;font-variant-numeric:tabular-nums}

:focus-visible{outline:2px solid var(--in);outline-offset:2px;border-radius:6px}

/* ===== หน้าเข้าสู่ระบบ ===== */
.auth{position:fixed;inset:0;background:var(--paper);display:grid;place-items:center;z-index:100;padding:24px;overflow-y:auto}
.auth-inner{width:min(360px,92vw);text-align:center;padding:32px 0}
.lock-mark{width:44px;height:44px;margin:0 auto 18px;color:var(--in)}
.lock-mark svg{width:100%;height:100%}
.lock-title{font-family:var(--font-num);font-size:24px;font-weight:600;letter-spacing:-.4px;margin:0 0 4px}
.lock-hint{color:var(--ink-3);margin:0 0 24px;font-size:13.5px}
.auth-seg{margin-bottom:20px}
#authMode button.on{color:var(--ink)}   /* ต้องใช้ id เพราะ .seg button.on ของแผ่นกรอกถูกตั้งเป็นสีแดงและมาทีหลัง */
.auth-form{display:flex;flex-direction:column;gap:12px;text-align:left}
.field{display:block}
.field input{
  width:100%;background:var(--card);border:1px solid var(--line-2);
  border-radius:var(--radius-sm);padding:14px;outline:none;box-shadow:var(--shadow);
}
.field input::placeholder{color:var(--ink-3)}
.field input:focus{border-color:var(--ink)}
.field-with-btn{position:relative;display:block}
.field-with-btn input{padding-right:52px}
.peek{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:40px;height:40px;display:grid;place-items:center;
  color:var(--ink-3);border-radius:50%;
}
.peek svg{width:20px;height:20px}
.peek[aria-pressed="true"]{color:var(--in)}
.field-hint{display:block;font-size:11.5px;color:var(--ink-3);margin:5px 0 0 4px;min-height:16px}
.field-hint.warn{color:var(--amber)}
.auth-err{color:var(--out);font-size:13px;min-height:19px;margin:2px 0 0;text-align:center}
.auth-submit{width:100%}
#authNote{margin-top:18px}

.account-card{display:flex;align-items:center;gap:13px}
.account-avatar{
  width:42px;height:42px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:var(--in-soft);color:var(--in);
  font-family:var(--font-num);font-size:17px;font-weight:600;
}
.account-body{flex:1;min-width:0}

/* ===== โครงแอป ===== */
.app{max-width:520px;margin:0 auto;padding:0 18px calc(120px + var(--safe-b))}
.topbar{
  position:sticky;top:0;z-index:20;
  background:linear-gradient(var(--paper) 72%,rgba(251,249,246,0));
  display:flex;align-items:center;justify-content:center;gap:6px;
  padding:16px 0 14px;margin:0 -18px;
}
.month-nav{width:40px;height:40px;display:grid;place-items:center;color:var(--ink-3);border-radius:50%}
.month-nav svg{width:20px;height:20px}
.month-nav:active{background:var(--card);color:var(--ink)}
.month-label{
  font-family:var(--font-num);font-size:16px;font-weight:600;letter-spacing:-.2px;
  padding:7px 18px;border-radius:99px;background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow);min-width:158px;
}

/* ===== การ์ดหลัก ===== */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(158deg,#FFFFFF 0%,#FCFAF6 46%,#F7F3EC 100%);
  border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-lift);
  padding:22px 22px 20px;margin-top:4px;
}
.hero-guilloche{position:absolute;inset:0;width:100%;height:100%;color:var(--in);opacity:.13;pointer-events:none}
.hero-body{position:relative}
.hero-label{display:block;font-size:12.5px;color:var(--ink-2);letter-spacing:.02em}
.hero-value{
  display:block;font-family:var(--font-num);font-size:42px;font-weight:700;
  letter-spacing:-1.4px;line-height:1.14;margin:4px 0 2px;
  font-variant-numeric:tabular-nums;
}
.hero-value.neg{color:var(--out)}
.hero-sub{margin:0;font-size:13px;color:var(--ink-2)}
.hero-sub b{font-family:var(--font-num);font-weight:600;font-variant-numeric:tabular-nums}

.hero-track{position:relative;height:6px;border-radius:99px;background:rgba(27,36,50,.09);margin:16px 0 14px;overflow:hidden}
.hero-fill{position:absolute;inset:0;width:0;background:var(--in);border-radius:99px;transition:width .55s cubic-bezier(.2,.9,.3,1)}
.hero-fill.warn{background:var(--amber)}
.hero-fill.over{background:var(--out)}
.hero-today{position:absolute;top:-4px;width:2px;height:14px;border-radius:2px;background:var(--ink);opacity:.72}

.hero-flow{display:flex;align-items:center;gap:14px}
.flow{display:flex;flex-direction:column;font-size:11.5px;color:var(--ink-3)}
.flow b{
  font-family:var(--font-num);font-size:17px;font-weight:600;letter-spacing:-.3px;
  font-variant-numeric:tabular-nums;
}
.flow.in b{color:var(--in)}
.flow.out b{color:var(--out)}
.flow-div{width:1px;height:26px;background:var(--line-2)}

/* ===== บล็อก / การ์ด ===== */
.block{margin-top:30px}
.block-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.block-head h2{
  font-family:var(--font-num);font-size:14px;font-weight:600;margin:0;letter-spacing:.01em;
}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:18px;margin-bottom:16px;
}
.card .block-head{margin-bottom:10px}

.btn-sm{
  background:var(--card);border:1px solid var(--line-2);color:var(--ink-2);
  border-radius:99px;padding:6px 15px;font-size:12.5px;font-weight:500;
}
.btn-sm:active{background:var(--card-2)}
.btn-sm.solid{background:var(--ink);border-color:var(--ink);color:#fff;flex:none}
.filters{display:flex;gap:5px}
.chip{
  background:transparent;border:1px solid var(--line-2);color:var(--ink-3);
  border-radius:99px;padding:5px 13px;font-size:12.5px;transition:.14s;
}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:500}

/* ===== งบประมาณ — แถวกะทัดรัดในการ์ดเดียว ===== */
.budget-list{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:4px 15px;
}
.bud{display:flex;align-items:center;gap:11px;padding:11px 0;border-top:1px solid var(--line)}
.bud:first-child{border-top:0}
.bud-dot{width:8px;height:8px;border-radius:2.5px;flex:none}
.bud-name{font-size:13.5px;flex:none;max-width:38%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bud-bar{flex:1;height:5px;border-radius:99px;background:var(--card-2);overflow:hidden;min-width:40px}
.bud-bar i{display:block;height:100%;width:0;border-radius:99px;transition:width .55s cubic-bezier(.2,.9,.3,1)}
.bud-num{
  font-size:12px;color:var(--ink-3);font-family:var(--font-num);
  font-variant-numeric:tabular-nums;flex:none;text-align:right;min-width:88px;
}
.bud-num b{color:var(--ink);font-weight:600}
.bud.idle{opacity:.62}
.budget-empty{background:none}
.budget-empty .btn-sm{display:block;margin:14px auto 0;width:fit-content}
.bud-more{
  display:block;width:100%;padding:11px 0;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--ink-3);text-align:center;
}
.bud-more:active{color:var(--ink)}
.bud.over .bud-num b{color:var(--out)}

/* ===== รายการ ===== */
.tx-list{display:flex;flex-direction:column}
.day-head{
  display:flex;justify-content:space-between;align-items:baseline;
  font-size:12px;color:var(--ink-3);padding:18px 4px 8px;
}
.day-head b{font-family:var(--font-num);font-weight:500;font-variant-numeric:tabular-nums}
.tx{
  display:flex;align-items:center;gap:13px;width:100%;text-align:left;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  box-shadow:var(--shadow);padding:12px 14px;margin-bottom:7px;
  transition:transform .12s,box-shadow .12s;
}
.tx:active{transform:scale(.988);box-shadow:none}
.tx-icon{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-size:17px;flex:none}
.tx-body{flex:1;min-width:0}
.tx-cat{display:block;font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tx-note{display:block;font-size:12px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:1px}
.tx-amt{
  font-family:var(--font-num);font-size:15px;font-weight:600;letter-spacing:-.3px;
  font-variant-numeric:tabular-nums;flex:none;
}
.tx-amt.in{color:var(--in)}
.tx-amt.out{color:var(--ink)}
.tag{font-size:10px;color:var(--ink-3);background:var(--card-2);border-radius:5px;padding:1px 5px;margin-left:6px;vertical-align:1.5px}
.empty{
  text-align:center;color:var(--ink-3);font-size:13.5px;line-height:1.8;
  padding:34px 20px;border:1px dashed var(--line-2);border-radius:var(--radius);
  background:rgba(255,255,255,.5);
}
.empty b{display:block;color:var(--ink-2);font-weight:500;margin-bottom:2px}

/* ===== กราฟ ===== */
.donut-wrap{position:relative;width:190px;margin:6px auto 20px}
.donut{width:190px;height:190px;transform:rotate(-90deg)}
.donut-center{position:absolute;inset:0;display:grid;place-content:center;text-align:center;pointer-events:none}
.donut-center span{display:block;color:var(--ink-3);font-size:11.5px}
.donut-center strong{font-family:var(--font-num);font-size:21px;font-weight:600;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.legend{display:flex;flex-direction:column;gap:2px}
.legend-row{display:flex;align-items:center;gap:10px;font-size:13.5px;padding:7px 0;border-top:1px solid var(--line)}
.legend-row:first-child{border-top:0}
.legend-row i{width:9px;height:9px;border-radius:3px;flex:none}
.lg-name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lg-pct{color:var(--ink-3);font-size:12px;width:40px;text-align:right;font-variant-numeric:tabular-nums}
.lg-amt{font-family:var(--font-num);font-weight:500;font-variant-numeric:tabular-nums;width:80px;text-align:right}
.trend{width:100%;height:auto}
.trend-legend{display:flex;gap:20px;justify-content:center;color:var(--ink-3);font-size:12px;margin-top:8px}
.dot{width:8px;height:8px;border-radius:3px;display:inline-block;margin-right:6px}
.dot.in{background:var(--in)}
.dot.out{background:var(--out)}

/* ===== แถวรายการประจำ / หมวดหมู่ ===== */
.rec-list,.cat-list{display:flex;flex-direction:column;gap:7px}
.row-item{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  box-shadow:var(--shadow);padding:10px 13px;transition:transform .12s;
}
.cat-list .tx-icon{width:34px;height:34px;border-radius:11px;font-size:15px}
.row-item:active{transform:scale(.988)}
.row-item.off{opacity:.5}
.row-body{flex:1;min-width:0}
.row-title{display:block;font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-sub{display:block;font-size:12px;color:var(--ink-3);margin-top:1px}
.row-amt{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14px;font-weight:600;flex:none}
.row-amt.in{color:var(--in)}

/* ===== ปุ่ม ===== */
.set-actions{display:flex;flex-direction:column;gap:8px}
.btn-line{
  display:block;width:100%;text-align:center;text-decoration:none;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  box-shadow:var(--shadow);padding:14px;font-size:14px;color:var(--ink);
}
.btn-line:active{background:var(--card-2)}
.btn-line.danger{color:var(--out)}
.btn-line.file{cursor:pointer}
.btn-main{
  flex:1;background:var(--ink);color:#fff;border-radius:var(--radius-sm);
  padding:15px;font-size:15px;font-weight:600;letter-spacing:.01em;
}
.btn-main:active{opacity:.88}
.btn-main:disabled{opacity:.45}

.fab-stack{
  position:fixed;z-index:30;right:max(18px,calc(50vw - 242px));
  bottom:calc(84px + var(--safe-b));
  display:flex;align-items:center;gap:10px;
}
.fab{
  display:flex;align-items:center;gap:7px;
  height:52px;padding:0 22px 0 18px;border-radius:99px;
  background:var(--ink);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 6px 20px -6px rgba(27,36,50,.5);
}
.fab svg{width:20px;height:20px}
.fab:active{transform:scale(.95)}
.fab-slip{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:var(--card);border:1px solid var(--line-2);color:var(--ink-2);
  box-shadow:var(--shadow-lift);
}
.fab-slip svg{width:21px;height:21px}
.fab-slip:active{transform:scale(.93);background:var(--card-2)}

/* ===== แท็บบาร์ ===== */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:25;
  display:grid;grid-template-columns:repeat(4,1fr);
  max-width:520px;margin:0 auto;
  background:rgba(251,249,246,.93);backdrop-filter:blur(16px);
  border-top:1px solid var(--line);padding:9px 0 calc(9px + var(--safe-b));
}
.tabbar button{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  font-size:10.5px;color:var(--ink-3);transition:color .15s;
}
.tabbar button svg{width:22px;height:22px}
.tabbar button.on{color:var(--in);font-weight:500}

/* ===== แผ่นเลื่อน ===== */
.sheet-back{position:fixed;inset:0;background:rgba(27,36,50,.34);backdrop-filter:blur(2px);z-index:40;animation:fade .2s}
@keyframes fade{from{opacity:0}}
.sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  max-width:520px;margin:0 auto;
  background:var(--paper);border-radius:26px 26px 0 0;
  box-shadow:0 -12px 40px -12px rgba(27,36,50,.3);
  padding:8px 18px calc(22px + var(--safe-b));
  max-height:92vh;overflow-y:auto;
  animation:up .28s cubic-bezier(.2,.9,.3,1);
}
@keyframes up{from{transform:translateY(100%)}}
.sheet h3{font-family:var(--font-num);font-size:16px;font-weight:600;margin:6px 0 16px;text-align:center}
.sheet-grab{width:36px;height:4px;border-radius:99px;background:var(--line-2);margin:6px auto 14px}

.seg{display:grid;grid-template-columns:1fr 1fr;gap:3px;background:var(--card-2);border-radius:14px;padding:3px}
.seg button{padding:10px;border-radius:11px;font-size:14px;color:var(--ink-3);transition:.15s}
.seg button.on{background:var(--card);color:var(--out);font-weight:500;box-shadow:var(--shadow)}
.seg button.on[data-kind="income"]{color:var(--in)}

.amount-display{display:flex;align-items:baseline;justify-content:center;gap:6px;padding:26px 0 18px}
.amount-display span{font-family:var(--font-num);font-size:24px;color:var(--ink-3)}
.amount-display input{
  background:none;border:0;outline:none;
  width:2ch;min-width:2ch;max-width:min(300px,62vw);
  font-family:var(--font-num);font-size:44px;font-weight:700;letter-spacing:-1.6px;
  text-align:left;font-variant-numeric:tabular-nums;
}
.amount-display input::placeholder{color:var(--line-2)}

.cat-picker{display:flex;gap:8px;overflow-x:auto;padding:2px 0 14px;scrollbar-width:none}
.cat-picker::-webkit-scrollbar{display:none}
.cat-opt{
  flex:none;display:flex;flex-direction:column;align-items:center;gap:6px;
  width:68px;padding:10px 5px;border-radius:16px;
  background:var(--card);border:1px solid var(--line);
  font-size:11px;color:var(--ink-3);text-align:center;line-height:1.25;transition:.15s;
}
.cat-opt em{font-size:19px;font-style:normal}
.cat-opt.on{border-color:var(--ink);color:var(--ink);font-weight:500;box-shadow:var(--shadow)}
.cat-opt span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%}

.field-row{display:flex;gap:8px;margin-bottom:10px}
.field-label{display:block;font-size:11.5px;color:var(--ink-3);margin:0 0 5px 4px}
.field-row input{
  flex:1;min-width:0;background:var(--card);border:1px solid var(--line-2);
  border-radius:var(--radius-sm);padding:14px;outline:none;
}
.field-row input::placeholder{color:var(--ink-3)}
.field-row input:focus{border-color:var(--ink)}
.icon-input{flex:none !important;width:62px;text-align:center;font-size:20px}

.switch-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:13px 14px;margin-bottom:10px;font-size:13.5px;cursor:pointer;
}
.switch-row i{display:block;font-style:normal;font-size:11.5px;color:var(--ink-3)}
.switch-row input{width:20px;height:20px;accent-color:var(--in);flex:none}

.sheet-err{color:var(--out);font-size:13px;min-height:19px;margin:2px 0 8px;text-align:center}
.sheet-actions{display:flex;gap:8px;margin-top:4px}
.sheet-actions .btn-line{width:auto;flex:none;padding:15px 20px}

/* ===== ตรวจสลิป ===== */
.slip-list{display:flex;flex-direction:column;gap:12px;margin-bottom:10px}
.slip-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow);padding:14px;
}
.slip-card.dup{border-color:#E4CF9E;background:var(--amber-soft)}
.slip-card.off{opacity:.52}
.slip-head{display:flex;align-items:center;gap:12px;margin-bottom:11px}
.slip-head .seg{flex:1;padding:3px}
.slip-head .seg button{padding:7px;font-size:12.5px}
.slip-head input[type=checkbox]{width:20px;height:20px;accent-color:var(--in);flex:none}
.slip-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.slip-grid input,.slip-field{
  width:100%;min-width:0;background:var(--paper);border:1px solid var(--line-2);
  border-radius:11px;padding:11px 12px;outline:none;font-size:14px;
}
.slip-grid input:focus,.slip-field:focus{border-color:var(--ink)}
.slip-field{margin-top:8px;display:block}
select.slip-field{
  appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);
  background-position:calc(100% - 16px) 19px,calc(100% - 11px) 19px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:34px;
}
.slip-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px}
.slip-tag{font-size:11px;color:var(--ink-3);background:var(--card-2);border-radius:99px;padding:3px 10px}
.slip-tag.warn{color:var(--amber);background:var(--amber-soft)}
.slip-tag.bad{color:var(--out);background:var(--out-soft)}

.loading{
  position:fixed;inset:0;z-index:90;background:rgba(251,249,246,.9);backdrop-filter:blur(3px);
  display:grid;place-content:center;justify-items:center;gap:18px;text-align:center;
}
.loading p{color:var(--ink-2);font-size:14px;margin:0}
.spinner{
  width:38px;height:38px;border-radius:50%;
  border:3px solid var(--line-2);border-top-color:var(--in);
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== toast ===== */
.toast{
  position:fixed;left:50%;bottom:calc(104px + var(--safe-b));transform:translate(-50%,16px);
  background:var(--ink);color:#fff;
  padding:12px 20px;border-radius:99px;font-size:13.5px;z-index:80;
  opacity:0;pointer-events:none;transition:.26s cubic-bezier(.2,.9,.3,1);
  max-width:86vw;text-align:center;box-shadow:var(--shadow-lift);
}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* ===== เข้าฉากตอนโหลด ===== */
.rise{animation:rise .5s cubic-bezier(.2,.9,.3,1) both}
@keyframes rise{from{opacity:0;transform:translateY(10px)}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ===== แดชบอร์ดรายปี ===== */
.scope-seg{margin:4px 0 18px}
#statsScope button.on{color:var(--ink)}
.year-nav{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:14px}
.year-label{
  font-family:var(--font-num);font-size:17px;font-weight:600;letter-spacing:-.2px;
  min-width:96px;text-align:center;
}
.year-hero{margin-bottom:16px}
.year-hero .hero-value{font-size:38px}
.year-hero .flow b{font-size:15px}
.year-hero .flow:not(.in) b{color:var(--ink)}

.delta{font-family:var(--font-num);font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.delta.up{color:var(--out)}      /* จ่ายมากขึ้น = แดง */
.delta.down{color:var(--in)}     /* จ่ายน้อยลง = เขียว */
.delta.flat{color:var(--ink-3)}
.legend-row .delta{width:62px;text-align:right}

/* ตารางความเข้ม หมวด × เดือน */
.heat-wrap{overflow-x:auto;margin:0 -4px;scrollbar-width:thin}
.heat{border-collapse:separate;border-spacing:3px;font-size:11px;min-width:100%}
.heat th{font-weight:400;color:var(--ink-3);font-size:10.5px;padding:0 2px;white-space:nowrap}
.heat th.heat-cat{text-align:left;position:sticky;left:0;background:var(--card);z-index:1;padding-right:8px}
.heat td{width:20px;height:22px;border-radius:5px;background:var(--card-2);padding:0}
.heat td.on{cursor:pointer}
.heat td.now{box-shadow:inset 0 0 0 1.5px var(--ink)}
.heat tbody th{
  text-align:left;font-size:11.5px;color:var(--ink);font-weight:400;
  position:sticky;left:0;background:var(--card);z-index:1;padding-right:8px;
  max-width:104px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}