@import url("https://fonts.googleapis.com/css2?family=M+PLUS+1p:wght@400;500;700;800;900&family=Orbitron:wght@400;500;600;700;800;900&display=swap");

:root{
  --ink:#2e241f;
  --deep:#7c2d12;
  --muted:#8a5a44;
  --line:#f1c9a8;
  --soft:#fff7ed;
  --paper:#fffaf5;
  --primary:#f97316;
  --primary-dark:#c2410c;
  --accent:#f59e0b;
  --danger:#b42318;
  --font-app:"Orbitron","M PLUS 1p",sans-serif;
  --font-number:"Orbitron","M PLUS 1p",sans-serif;
  font-family:var(--font-app);
}
*{box-sizing:border-box}
html{background:var(--soft);color:var(--ink);font-family:var(--font-app)}
body{margin:0;line-height:1.65}
button,input,textarea{font:inherit}
a{color:var(--primary)}
.app-shell{width:min(1120px,100%);margin:0 auto;padding:calc(12px + env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) calc(28px + env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left))}
.app-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:0 0 14px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand img{width:44px;height:44px;border-radius:8px}
.brand>div{min-width:0}
.brand strong{display:block;color:var(--deep);font-size:18px;line-height:1.2}
.brand span{display:block;color:var(--muted);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:min(42vw,240px)}
.app-version{display:block;color:#a16207;font-size:11px;line-height:1.35;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:min(42vw,240px)}
.icon-link{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--deep);text-decoration:none;font-weight:700}
.top-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-shrink:0}
.logout-link,.refresh-button{min-height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--deep);text-decoration:none;font-size:13px;font-weight:700;padding:0 12px;white-space:nowrap}
.refresh-button{cursor:pointer}
.app-menu{position:sticky;top:0;z-index:20;display:flex;gap:8px;margin:0 0 14px;padding:8px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.94);backdrop-filter:blur(10px)}
.menu-item{flex:1;display:flex;align-items:center;justify-content:center;min-height:42px;border:1px solid transparent;border-radius:8px;color:var(--muted);font-weight:700;text-decoration:none}
.menu-item.is-active,.menu-item:target,.menu-item:hover{border-color:#fed7aa;background:#fff1df;color:var(--deep)}
.message{border-radius:8px;padding:10px 12px;margin:0 0 12px}
.message.ok{background:#fff7ed;border:1px solid #fed7aa;color:#7c2d12}
.message.error{background:#fff0f0;border:1px solid #efc6c6;color:#823131}
.chart-panel,.panel,.stat{border:1px solid var(--line);border-radius:8px;background:var(--paper)}
.chart-panel{padding:16px;margin:0 0 14px}
.chart-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:0 0 8px}
.chart-head h1{margin:0;color:var(--deep);font-size:20px}
.chart-head strong{color:var(--deep);font-size:24px;white-space:nowrap}
.chart-controls{display:flex;align-items:center;justify-content:space-between;gap:10px 14px;flex-wrap:wrap;margin:0 0 8px}
.chart-options{display:flex;align-items:center;justify-content:flex-end;gap:10px 12px;flex-wrap:wrap}
.chart-legend{display:flex;gap:10px 16px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.chart-legend span{display:inline-flex;align-items:center;gap:6px}
.chart-legend i{width:18px;height:3px;border-radius:99px;background:var(--primary)}
.chart-legend .legend-unit{background:var(--accent)}
.range-toggle{display:inline-grid;grid-template-columns:repeat(3,minmax(68px,1fr));align-items:center;width:min(100%,252px);max-width:100%;gap:3px;padding:3px;border:1px solid #fed7aa;border-radius:8px;background:#fff}
.range-toggle label{position:relative;display:block;min-width:0;margin:0;color:var(--muted);font-size:12px;font-weight:800;cursor:pointer}
.range-toggle input{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px;margin:0;padding:0;border:0}
.range-toggle span{width:100%;min-height:32px;display:flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:6px;padding:0 8px;color:var(--muted);line-height:1;white-space:nowrap;text-align:center}
.range-toggle input:checked+span{border-color:#fdba74;background:#fff1df;color:var(--deep)}
.range-toggle input:focus-visible+span{outline:2px solid rgba(249,115,22,.28);outline-offset:2px}
.toggle{display:inline-flex;align-items:center;gap:7px;color:var(--deep);font-size:13px;font-weight:700;cursor:pointer}
.toggle input{width:16px;height:16px;margin:0;accent-color:var(--primary)}
.gas-chart-svg{display:block;width:100%;height:auto;min-height:178px}
.chart-grid{stroke:#f4dcc6;stroke-width:1}
.chart-axis,.chart-tick{stroke:#c08a67;stroke-width:1.3}
.chart-label{fill:var(--muted);font-size:12px}
.chart-average{fill:none;stroke:var(--primary);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.chart-unit{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:7 5}
.chart-dot-average{fill:#fff;stroke:var(--primary);stroke-width:2}
.chart-dot-unit{fill:#fff;stroke:var(--accent);stroke-width:2}
.gas-chart-dates{position:relative;height:44px;margin:-10px 18px 0 54px;color:var(--muted);font-size:12px;overflow:visible}
.gas-chart-dates span{position:absolute;top:0;line-height:1.2;white-space:nowrap;transform:translateX(-50%) rotate(-32deg);transform-origin:top center}
.empty-chart{height:180px;display:grid;place-items:center;border-radius:8px;background:#fff7ed;color:var(--muted)}
.menu-panels{margin:0 0 14px}
.menu-panel[hidden],[data-home-panel][hidden]{display:none!important}
.menu-panel{display:none;scroll-margin-top:86px}
.menu-panel.is-active,.menu-panel:target{display:block}
.account-forms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.account-form{align-content:start}
.account-form h3{grid-column:1/-1;margin:0;color:var(--deep);font-size:16px}
.support-section{margin:0 0 14px}
.section-title{margin:0 0 8px;color:var(--deep);font-size:13px;font-weight:800}
.support-card{display:grid;gap:8px;border:1px solid #fed7aa;border-radius:8px;background:#fff7ed;padding:14px}
.support-card strong{color:var(--deep);font-size:15px;line-height:1.45}
.support-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.62}
.support-stripe-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:4px}
.support-btn{min-height:42px;display:flex;align-items:center;justify-content:center;text-align:center;text-decoration:none}
.admin-panel{margin-top:16px;border:1px solid #fed7aa;border-radius:8px;background:#fff7ed;padding:14px}
.admin-section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin:0 0 10px}
.admin-section-head h2{margin:0;color:var(--deep);font-size:18px}
.admin-section-head p{margin:0}
.admin-db-meta{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.admin-db-meta span{display:inline-flex;align-items:center;min-height:28px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--deep);font-size:12px;font-weight:900;padding:3px 10px}
.admin-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:10px;margin:0 0 14px}
.admin-stats-grid .stat{background:#fff;padding:12px}
.admin-stats-grid .stat strong{font-size:20px}
.admin-stats-grid .stat em{display:block;margin-top:2px;color:var(--muted);font-size:11px;font-style:normal;font-weight:700}
.admin-table-wrap{border:1px solid var(--line);border-radius:8px;background:#fff}
.admin-table{min-width:1060px}
.admin-table th,.admin-table td{font-size:13px}
.admin-table select{min-width:88px;margin:0;padding:6px 8px;font-size:13px}
.admin-table select:disabled{background:#fff1df;color:var(--deep);font-weight:900;opacity:1}
.admin-user-form{display:none}
.admin-save-btn{min-height:34px;padding:6px 10px;font-size:12px}
.admin-first-user{display:block;margin-top:3px;color:var(--primary);font-size:11px;font-weight:900;line-height:1.2;white-space:nowrap}
.stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 14px}
.stat{padding:16px}
.stat span{display:block;margin:0 0 4px;color:var(--muted);font-size:13px}
.stat strong{display:block;color:var(--deep);font-size:23px;line-height:1.25;overflow-wrap:anywhere}
.panel{padding:18px;margin:0 0 14px}
.panel h2{margin:0 0 14px;color:var(--deep);font-size:19px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 14px}
.panel-head h2{margin:0}
.csv-export-link{min-height:40px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;white-space:nowrap}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
label{display:block;color:var(--deep);font-weight:700}
input,textarea{width:100%;border:1px solid #f0c7a3;border-radius:8px;background:#fff;color:var(--ink);padding:10px 11px;margin-top:5px}
input:not([type="checkbox"]){min-height:46px;line-height:1.2}
input[type="date"]{min-height:46px;-webkit-appearance:none;appearance:none}
input:focus,textarea:focus{outline:2px solid rgba(249,115,22,.22);border-color:var(--primary)}
textarea{resize:vertical}
.import-columns{display:grid;grid-template-columns:1.1fr .9fr .9fr 1fr;gap:8px;margin:0 0 6px;color:var(--muted);font-size:12px;font-weight:700}
.import-columns span{background:#fff7ed;border:1px solid #f4dcc6;border-radius:8px;padding:6px 8px}
.bulk-import-textarea{min-height:340px;font-family:var(--font-app);line-height:1.5;tab-size:4}
.form-actions{grid-column:1/-1;display:flex;align-items:center;justify-content:flex-start;gap:10px;margin-top:2px;flex-wrap:wrap}
.primary-btn,.secondary-btn{border:1px solid transparent;border-radius:8px;padding:10px 16px;font-weight:700;cursor:pointer}
.primary-btn{background:var(--primary);color:#fff}
.primary-btn:hover{background:var(--primary-dark)}
.secondary-btn{background:#fff;color:var(--primary);border-color:#fed7aa}
.wide{width:100%}
.inline-form{display:flex;align-items:flex-end;gap:10px;flex-wrap:wrap}
.inline-form label{min-width:210px}
.form-note{grid-column:1/-1;margin:0;color:var(--muted);font-size:13px;line-height:1.5}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{border-bottom:1px solid #f4dcc6;padding:9px;text-align:left;white-space:nowrap}
th,tfoot td{background:#fff7ed;color:var(--deep);font-weight:700}
.text-danger{border:0;background:transparent;color:var(--danger);font-weight:700;cursor:pointer;padding:4px}
.muted{color:var(--muted)}
.auth-page{min-height:100svh;display:grid;place-items:center;background:var(--soft);padding:max(18px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) max(18px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left))}
.auth-card{width:min(100%,420px);border:1px solid var(--line);border-radius:8px;background:#fff;padding:22px;box-shadow:0 12px 32px rgba(20,52,43,.10)}
.auth-logo{width:64px;height:64px;border-radius:12px;display:block;margin:0 0 14px}
.auth-card h1{margin:0 0 14px;color:var(--deep);font-size:24px}
.auth-card form{display:grid;gap:12px}
.check-row{display:flex;align-items:center;gap:8px;font-size:14px}
.check-row input{width:17px;height:17px;margin:0;accent-color:var(--primary)}
.auth-link{text-align:center;margin:14px 0 0}
@media(max-width:720px){
  .app-shell{padding-bottom:calc(92px + env(safe-area-inset-bottom))}
  .app-menu{position:fixed;top:auto;left:0;right:0;bottom:0;z-index:50;margin:0;padding:8px max(14px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left));border-width:1px 0 0;border-radius:0;background:rgba(255,255,255,.97)}
  .menu-panel{scroll-margin-top:12px;scroll-margin-bottom:100px}
  .stats-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .stat{padding:12px 9px}
  .stat span{font-size:12px}
  .stat strong{font-size:17px}
  .form-grid{grid-template-columns:1fr}
  .fuel-form{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fuel-form label{min-width:0}
  .fuel-form .form-actions{grid-column:1/-1}
  .account-forms{grid-template-columns:1fr}
  .support-stripe-actions{grid-template-columns:1fr}
  .panel-head{align-items:flex-start}
  .chart-head{display:block}
  .chart-head h1{font-size:18px}
  .chart-head strong{display:block;font-size:20px}
  .chart-controls{align-items:flex-start}
  .chart-options{width:100%;justify-content:space-between}
  .range-toggle{flex:1 1 220px;width:100%}
  .toggle{flex:1 1 142px}
  .gas-chart-dates{height:44px;font-size:10px;margin:-8px 0 0}
}
@media(max-width:420px){
  .app-top{gap:10px}
  .brand img{width:40px;height:40px}
  .brand span,.app-version{max-width:36vw}
  .top-actions{gap:6px}
  .logout-link,.refresh-button{min-height:38px;padding:0 9px;font-size:12px}
}