:root{
  --bg-1:#FFF4E0;
  --bg-2:#FFE2C9;
  --bg-3:#FFD0B5;
  --card:#FFFFFF;
  --ink:#3D3047;
  --ink-soft:#8B7D8B;
  --ink-mute:#B7ABAE;
  --coral:#FF7F6B;
  --coral-soft:#FFD2C7;
  --coral-deep:#E56450;
  --mint:#5FC4B0;
  --mint-soft:#C6EBE2;
  --sun:#FFB347;
  --sun-soft:#FFE4B8;
  --peach:#FFB39A;
  --line:#F4E6D5;
  --shadow:0 8px 24px rgba(255,140,90,0.15);
  --shadow-soft:0 4px 14px rgba(255,140,90,0.10);
  --radius:22px;
  --radius-sm:14px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:linear-gradient(165deg,var(--bg-1) 0%,var(--bg-2) 60%,var(--bg-3) 100%);
  min-height:100vh;
  min-height:100dvh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  padding-bottom:60px;
}

/* ===== декоративный фон ===== */
.bg-decor{
  position:fixed; inset:0; pointer-events:none; z-index:0; overflow:hidden;
}
.sun{
  position:absolute; top:-80px; right:-60px;
  width:220px; height:220px; border-radius:50%;
  background:radial-gradient(circle,#FFD27A 0%,#FFB347 50%,transparent 70%);
  filter:blur(2px); opacity:0.85;
}
.cloud{
  position:absolute; background:rgba(255,255,255,0.55);
  border-radius:50px; filter:blur(8px);
}
.cloud-1{ top:120px; left:-40px; width:160px; height:40px; }
.cloud-2{ top:240px; right:-30px; width:120px; height:32px; }

/* ===== шапка ===== */
.topbar{
  position:sticky; top:0; z-index:10;
  display:flex; align-items:center; gap:12px;
  padding:18px 18px 12px;
  background:linear-gradient(180deg,rgba(255,244,224,0.95) 60%,transparent);
  backdrop-filter:blur(8px);
}
.brand{ display:flex; align-items:center; gap:10px; flex:1; }
.brand-icon{
  font-size:26px;
  background:var(--card);
  width:42px; height:42px;
  border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-soft);
}
.brand h1{
  margin:0; font-size:20px; font-weight:700; letter-spacing:-0.2px;
}
.spacer{ width:38px; }
.icon-btn{
  width:38px; height:38px; border:none; border-radius:12px;
  background:var(--card); color:var(--ink);
  font-size:20px; font-weight:600; cursor:pointer;
  box-shadow:var(--shadow-soft);
  display:flex; align-items:center; justify-content:center;
  transition:transform .15s;
}
.icon-btn:active{ transform:scale(0.93); }
.hidden{ display:none !important; }

/* ===== главный экран ===== */
.screen{
  position:relative; z-index:1;
  padding:8px 18px 24px;
  max-width:680px; margin:0 auto;
}

.hero-card{
  display:flex; align-items:center; justify-content:space-between;
  background:linear-gradient(135deg,#FFB37A 0%,#FF8E6B 60%,#FF7F6B 100%);
  border-radius:var(--radius);
  padding:22px 22px;
  color:#fff;
  box-shadow:0 14px 32px rgba(255,127,107,0.35);
  margin-bottom:18px;
  overflow:hidden; position:relative;
}
.hero-card::before{
  content:""; position:absolute; right:-30px; top:-30px;
  width:140px; height:140px; border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,0.25),transparent 70%);
}
.hero-text{ position:relative; z-index:1; }
.hero-eyebrow{
  margin:0 0 4px; font-size:13px; opacity:0.92; letter-spacing:0.3px;
}
.hero-amount{
  margin:0; font-size:32px; font-weight:800; letter-spacing:-0.5px;
}
.hero-sub{
  margin:6px 0 0; font-size:13px; opacity:0.88;
}
.hero-mascot{
  font-size:48px; position:relative; z-index:1;
  filter:drop-shadow(0 6px 8px rgba(0,0,0,0.15));
  animation:bob 4s ease-in-out infinite;
}
@keyframes bob{
  0%,100%{ transform:translateY(0) rotate(-4deg); }
  50%{ transform:translateY(-6px) rotate(4deg); }
}

.section-head{
  display:flex; align-items:center; justify-content:space-between;
  margin:22px 4px 12px;
}
.section-head h2,.section-head h3{
  margin:0; font-size:18px; font-weight:700; letter-spacing:-0.2px;
}
.counter{
  background:var(--sun-soft); color:#A56B12;
  padding:3px 10px; border-radius:999px;
  font-size:12px; font-weight:700;
}

.ap-list{ display:flex; flex-direction:column; gap:12px; }

.apt-card{
  background:var(--card);
  border-radius:var(--radius);
  padding:16px 18px;
  box-shadow:var(--shadow-soft);
  display:flex; align-items:center; gap:14px;
  cursor:pointer; border:none; text-align:left;
  font-family:inherit; color:inherit;
  width:100%;
  transition:transform .15s, box-shadow .15s;
}
.apt-card:active{ transform:scale(0.98); }
.apt-card:hover{ box-shadow:var(--shadow); }

.apt-emoji{
  width:48px; height:48px; border-radius:16px;
  display:flex; align-items:center; justify-content:center;
  font-size:24px; flex-shrink:0;
}
.apt-card:nth-child(3n+1) .apt-emoji{ background:var(--coral-soft); }
.apt-card:nth-child(3n+2) .apt-emoji{ background:var(--mint-soft); }
.apt-card:nth-child(3n+3) .apt-emoji{ background:var(--sun-soft); }

.apt-info{ flex:1; min-width:0; }
.apt-name{
  margin:0 0 2px; font-size:16px; font-weight:700;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.apt-addr{
  margin:0; font-size:13px; color:var(--ink-soft);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.apt-right{ text-align:right; flex-shrink:0; }
.apt-sum{
  font-size:17px; font-weight:800; color:var(--coral-deep);
  letter-spacing:-0.2px;
}
.apt-arrow{
  display:inline-block; margin-top:2px;
  color:var(--ink-mute); font-size:18px;
}

.add-card{
  width:100%; margin-top:12px;
  background:transparent;
  border:2px dashed var(--peach);
  border-radius:var(--radius);
  padding:16px;
  color:var(--coral-deep);
  font-size:15px; font-weight:600;
  display:flex; align-items:center; justify-content:center; gap:8px;
  cursor:pointer; font-family:inherit;
  transition:background .15s;
}
.add-card:active{ background:rgba(255,127,107,0.06); }
.plus{
  width:28px; height:28px; border-radius:50%;
  background:var(--coral-soft); color:var(--coral-deep);
  display:inline-flex; align-items:center; justify-content:center;
  font-weight:700; font-size:18px;
}

/* ===== экран квартиры ===== */
.apt-header{ padding:8px 4px 4px; }
.apt-header h2{
  margin:0 0 4px; font-size:24px; font-weight:800; letter-spacing:-0.3px;
}
.apt-address{ margin:0; color:var(--ink-soft); font-size:14px; }

.quick-stats{
  display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:14px;
}
.stat-card{
  background:var(--card); border-radius:var(--radius);
  padding:14px 16px; box-shadow:var(--shadow-soft);
  border-left:4px solid;
}
.stat-coral{ border-color:var(--coral); }
.stat-mint{ border-color:var(--mint); }
.stat-label{
  display:block; font-size:12px; color:var(--ink-soft);
  text-transform:uppercase; letter-spacing:0.5px; font-weight:600;
}
.stat-value{
  display:block; margin-top:6px; font-size:20px; font-weight:800;
  letter-spacing:-0.3px;
}

.month-picker{
  background:var(--card); border:1px solid var(--line);
  border-radius:12px; padding:6px 10px;
  font-size:13px; color:var(--ink); font-family:inherit;
  cursor:pointer;
}

.cat-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:10px;
}
.cat-card{
  background:var(--card); border-radius:var(--radius-sm);
  padding:14px; box-shadow:var(--shadow-soft);
  display:flex; flex-direction:column; gap:4px; min-height:78px;
  position:relative; overflow:hidden;
}
.cat-emoji{ font-size:22px; }
.cat-name{
  font-size:12px; color:var(--ink-soft); font-weight:600;
}
.cat-sum{
  font-size:16px; font-weight:800; color:var(--ink);
  margin-top:auto;
  letter-spacing:-0.2px;
}
.cat-sum.zero{ color:var(--ink-mute); font-weight:600; }
.cat-tap{
  position:absolute; inset:0;
  background:transparent; border:none; cursor:pointer;
}

/* ===== счётчики воды: блоки ХВС / ГВС с 2 стояками ===== */
.meters{ display:flex; flex-direction:column; gap:12px; }
.water-block{
  background:var(--card); border-radius:var(--radius);
  padding:16px; box-shadow:var(--shadow-soft);
}
.water-head{
  display:flex; align-items:center; gap:10px;
  margin-bottom:14px; padding-bottom:12px;
  border-bottom:1.5px dashed var(--line);
}
.water-emoji{
  width:40px; height:40px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:20px;
}
.water-block.cold .water-emoji{ background:#D6ECFF; }
.water-block.hot  .water-emoji{ background:var(--coral-soft); }
.water-title{
  font-size:17px; font-weight:800; letter-spacing:-0.2px;
}
.water-sides{
  display:grid; grid-template-columns:1fr 1fr; gap:10px;
}
.meter-side{
  background:#FFFCF7; border:1.5px solid var(--line);
  border-radius:14px; padding:12px;
}
.meter-side-label{
  font-size:12px; font-weight:700;
  text-transform:uppercase; letter-spacing:0.4px;
  margin-bottom:8px;
  display:inline-block; padding:3px 8px;
  background:var(--sun-soft); color:#A56B12;
  border-radius:999px;
}
.meter-block.cold .meter-side-label{ background:#E0EEFF; color:#2D5D9E; }
.water-block.hot .meter-side-label{ background:var(--coral-soft); color:var(--coral-deep); }

.meter-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:8px;
}
.meter-field label{
  display:block; font-size:10.5px; color:var(--ink-soft);
  margin-bottom:4px; text-transform:uppercase; letter-spacing:0.4px; font-weight:600;
}
.meter-field input{
  width:100%; padding:9px 10px;
  border:1.5px solid var(--line); border-radius:10px;
  font-size:14px; font-family:inherit; color:var(--ink);
  background:#fff; outline:none;
  transition:border-color .15s;
}
.meter-field input:focus{ border-color:var(--coral); }
.meter-result{
  margin-top:10px; padding:8px 10px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--sun-soft),#FFEFC8);
  display:flex; align-items:center; justify-content:space-between;
  font-size:11.5px; font-weight:600;
}
.meter-result .flow{
  font-size:14px; font-weight:800; color:#A56B12;
}
.water-side-total{
  margin-top:10px;
  text-align:center;
  font-size:13px; font-weight:700;
  color:var(--ink-soft);
}
.meter-total{
  background:linear-gradient(135deg,#5FC4B0,#4AA89A);
  color:#fff; border-radius:var(--radius);
  padding:14px 18px;
  display:flex; align-items:center; justify-content:space-between;
  box-shadow:0 8px 18px rgba(95,196,176,0.35);
}
.meter-total-label{
  font-size:13px; font-weight:700; opacity:0.95;
}
.meter-total-value{
  font-size:20px; font-weight:800; letter-spacing:-0.3px;
}
.meter-empty{
  font-size:13px; color:var(--ink-soft);
  padding:6px 0;
}

/* ===== история ===== */
.pay-list{ display:flex; flex-direction:column; gap:8px; }
.pay-item{
  background:var(--card); border-radius:var(--radius-sm);
  padding:12px 14px;
  display:flex; align-items:center; gap:12px;
  box-shadow:var(--shadow-soft);
}
.pay-emoji{
  width:36px; height:36px; border-radius:10px;
  background:var(--bg-2); display:flex; align-items:center; justify-content:center;
  font-size:18px; flex-shrink:0;
}
.pay-info{ flex:1; min-width:0; }
.pay-cat{ font-size:14px; font-weight:700; }
.pay-meta{ font-size:12px; color:var(--ink-soft); margin-top:2px; }
.pay-sum{
  font-size:15px; font-weight:800; color:var(--coral-deep);
}
.pay-del{
  background:none; border:none; color:var(--ink-mute);
  cursor:pointer; font-size:18px; padding:4px 6px;
  margin-left:4px;
}
.pay-del:active{ color:var(--coral-deep); }
.empty{
  background:rgba(255,255,255,0.5); border-radius:var(--radius-sm);
  padding:18px; text-align:center; color:var(--ink-soft); font-size:14px;
}

.apt-actions{
  margin-top:24px; display:flex; flex-direction:column; gap:10px;
}
.btn-secondary, .btn-danger, .btn-primary{
  width:100%; padding:14px; border-radius:14px;
  font-size:15px; font-weight:700; font-family:inherit;
  border:none; cursor:pointer;
  transition:transform .15s;
}
.btn-secondary{
  background:var(--card); color:var(--ink);
  box-shadow:var(--shadow-soft);
}
.btn-primary{
  background:linear-gradient(135deg,var(--coral),var(--coral-deep));
  color:#fff; box-shadow:0 8px 20px rgba(255,127,107,0.35);
}
.btn-danger{
  background:transparent; color:var(--coral-deep);
  border:1.5px solid var(--coral-soft);
}
.btn-secondary:active, .btn-danger:active, .btn-primary:active{
  transform:scale(0.98);
}

/* ===== модалка ===== */
.modal-overlay{
  position:fixed; inset:0; z-index:100;
  background:rgba(61,48,71,0.45);
  display:flex; align-items:flex-end; justify-content:center;
  animation:fadeIn .2s;
}
@keyframes fadeIn{ from{opacity:0} to{opacity:1} }
.modal{
  background:#FFFAF1; width:100%; max-width:480px;
  border-radius:24px 24px 0 0;
  padding:22px 22px calc(22px + env(safe-area-inset-bottom));
  max-height:90vh; overflow-y:auto;
  animation:slideUp .25s cubic-bezier(.2,.7,.3,1);
}
@keyframes slideUp{ from{transform:translateY(40px)} to{transform:translateY(0)} }
.modal h3{
  margin:0 0 4px; font-size:19px; font-weight:800;
}
.modal-sub{
  margin:0 0 18px; color:var(--ink-soft); font-size:13px;
}
.field{ margin-bottom:14px; }
.field label{
  display:block; font-size:12px; color:var(--ink-soft);
  margin-bottom:6px; font-weight:600;
  text-transform:uppercase; letter-spacing:0.4px;
}
.field input, .field textarea, .field select{
  width:100%; padding:12px 14px;
  border:1.5px solid var(--line); border-radius:12px;
  font-size:15px; font-family:inherit; color:var(--ink);
  background:#fff; outline:none;
  transition:border-color .15s;
}
.field input:focus, .field textarea:focus, .field select:focus{
  border-color:var(--coral);
}
.field textarea{ min-height:60px; resize:vertical; }
.modal-actions{
  display:flex; gap:10px; margin-top:20px;
}
.modal-actions button{ flex:1; }

/* ===== крупный экран ===== */
@media (min-width:720px){
  .topbar{ padding:22px 32px 14px; }
  .screen{ padding:8px 32px 32px; }
  .hero-amount{ font-size:38px; }
  .cat-grid{ grid-template-columns:repeat(3,1fr); }
}
@media (min-width:980px){
  .cat-grid{ grid-template-columns:repeat(4,1fr); }
}

/* ===== экран входа / регистрации ===== */
.auth-screen{ display:flex; align-items:center; justify-content:center; min-height:calc(100vh - 120px); padding:24px 18px; }
.auth-card{ width:100%; max-width:380px; background:#fff; border-radius:24px; padding:28px 22px; box-shadow:0 12px 32px rgba(255,140,90,0.18); text-align:center; }
.auth-emoji{ font-size:48px; margin-bottom:6px; }
.auth-title{ font-size:22px; color:#3D3047; margin:0 0 6px; font-weight:700; }
.auth-sub{ font-size:14px; color:#7A6F86; margin:0 0 18px; line-height:1.45; }
.auth-tabs{ display:flex; background:#FFF3E8; border-radius:14px; padding:4px; margin-bottom:18px; }
.auth-tab{ flex:1; padding:14px 0; min-height:48px; border:0; background:transparent; font:inherit; font-weight:600; color:#7A6F86; border-radius:10px; cursor:pointer; transition:all .15s; }
.auth-tab.active{ background:#FF8C66; color:#fff; box-shadow:0 4px 10px rgba(255,140,90,0.35); }
.auth-card .field{ text-align:left; margin-bottom:12px; }
.auth-card .field label{ display:block; font-size:13px; color:#7A6F86; margin-bottom:4px; font-weight:600; }
.auth-card .field input{ width:100%; padding:12px 14px; border:2px solid #FFE3CC; border-radius:12px; font:inherit; font-size:15px; background:#FFFBF7; color:#3D3047; outline:none; transition:border-color .15s; box-sizing:border-box; }
.auth-card .field input:focus{ border-color:#FF8C66; }
.auth-error{ color:#D9483B; font-size:13px; min-height:18px; margin:6px 0 10px; font-weight:600; }
.btn-primary.big{ width:100%; padding:14px; font-size:16px; border-radius:14px; }
.btn-primary:disabled{ opacity:.6; cursor:wait; }
.auth-hint{ margin-top:16px; font-size:12.5px; color:#A89FB0; line-height:1.5; }

@media (max-width:380px){
  .auth-card{ padding:22px 16px; border-radius:20px; }
  .auth-title{ font-size:20px; }
}