:root{--purple-950:#2f063f;--purple-900:#410557;--purple-800:#571174;--purple-700:#6f258d;--purple-100:#f3eafa;--gold:#d9a62e;--ink:#201b24;--muted:#706a74;--line:#ebe5ed;--surface:#fff;--background:#f7f5f8;--danger:#c52d3f;--danger-soft:#fff0f2;--success:#147a53;--success-soft:#eaf8f2;--shadow:0 14px 38px #2b0f3514}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--background);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Noto Sans Thai,Leelawadee UI,Tahoma,sans-serif;font-size:16px;line-height:1.55}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.72}.app-shell{min-height:100vh;padding-bottom:82px}.auth-loading,.login-screen{background:radial-gradient(circle at 80% 10%, #7d2f96, transparent 35%), linear-gradient(155deg, var(--purple-950), var(--purple-800));color:#fff;place-items:center;min-height:100vh;padding:22px;display:grid}.auth-loading{align-content:center;gap:12px}.auth-loading p{color:#e5d8ea;margin:0;font-size:13px}.login-card{width:min(430px,100%);color:var(--ink);background:#fff;border-radius:24px;padding:30px;box-shadow:0 26px 70px #15001d59}.login-mark{color:#ffd66d;background:linear-gradient(145deg,#7d379d,#4a0a61);border-radius:14px;place-items:center;width:46px;height:46px;margin-bottom:18px;font-size:20px;display:grid}.login-card h1{margin:8px 0 6px;font-size:26px}.login-card>p{color:var(--muted);margin:0 0 20px;font-size:15px;line-height:1.65}.login-card form{gap:8px;display:grid}.login-card label{color:#4e4651;margin-top:4px;font-size:14px;font-weight:800}.login-card input{border:1px solid #d8d0db;border-radius:12px;outline:none;min-height:47px;padding:0 13px}.login-card input:focus{border-color:var(--purple-700);box-shadow:0 0 0 3px #6f258d1f}.login-card form button{background:var(--gold);color:#2c1d00;border:0;border-radius:12px;min-height:47px;margin-top:9px;font-weight:900}.login-card>small{color:var(--muted);text-align:center;margin-top:15px;font-size:12px;display:block}.topbar{background:var(--purple-950);color:#fff;justify-content:space-between;align-items:center;height:66px;padding:0 18px;display:flex}.brand{align-items:center;gap:11px;display:flex}.brand-mark{color:#ffd66d;background:linear-gradient(145deg,#7d379d,#4a0a61);border:1px solid #fff3;border-radius:12px;place-items:center;width:38px;height:38px;display:grid}.brand div{flex-direction:column;line-height:1.15;display:flex}.brand strong{letter-spacing:.01em;font-size:16px}.brand small{color:#d9c6e1;text-transform:uppercase;letter-spacing:.06em;margin-top:3px;font-size:11px}.topbar-actions{align-items:center;gap:8px;display:flex}.install-button{color:#fff;background:#ffffff1a;border:1px solid #fff3;border-radius:999px;min-height:38px;padding:0 11px;font-size:13px;font-weight:800}.install-button span{color:var(--gold);margin-right:3px;font-size:14px}.profile-button{min-width:42px;height:38px;color:var(--purple-800);background:#fff;border:1px solid #ffffff2e;border-radius:999px;padding:0 11px;font-size:13px;font-weight:800}main{width:min(1180px,100%);margin:0 auto}.hero{background:radial-gradient(circle at 100% 0%, #d9a62e33, transparent 36%), linear-gradient(155deg, var(--purple-950) 0%, var(--purple-800) 74%, #7d2f96 100%);color:#fff;padding:22px 18px 20px;position:relative;overflow:hidden}.hero:after{content:"";border:32px solid #ffffff0d;border-radius:50%;width:180px;height:180px;position:absolute;bottom:-104px;right:-94px}.hero-copy,.search-panel{z-index:1;position:relative}.eyebrow{color:var(--gold);letter-spacing:.045em;font-size:13px;font-weight:800;display:inline-block}.hero h1{letter-spacing:-.02em;margin:5px 0 3px;font-size:clamp(25px,7vw,34px);line-height:1.2}.hero-copy>p{color:#e5d8ea;max-width:500px;margin:0;font-size:14px;line-height:1.5}.search-panel{color:var(--ink);background:#fffffffa;border:1px solid #ffffff1f;border-radius:16px;margin-top:16px;padding:15px;box-shadow:0 16px 36px #17001f33}.search-panel label{color:#4e4651;margin-bottom:7px;font-size:14px;font-weight:800;display:block}.search-row{grid-template-columns:minmax(0,1fr) auto;gap:8px;display:grid}.search-row input{width:100%;min-height:48px;color:var(--ink);border:1px solid #d8d0db;border-radius:12px;outline:none;padding:0 14px}.search-row input:focus{border-color:var(--purple-700);box-shadow:0 0 0 3px #6f258d1f}.search-row button{background:var(--gold);color:#2c1d00;border:0;border-radius:12px;min-width:88px;padding:0 16px;font-weight:900;box-shadow:0 7px 16px #ab790e33}.privacy-note{color:#625a65;margin:9px 0 0;font-size:12px;line-height:1.5}.privacy-note span{color:var(--success)}.privacy-note.warning-note{color:#925f00}.privacy-note.warning-note span{color:#c18400}.piw-link{color:var(--purple-700);margin-top:10px;font-size:14px;font-weight:800;text-decoration:none;display:inline-flex}.error-message{color:var(--danger);margin:8px 0 0;font-size:14px;font-weight:700}.piw-connect-panel{margin:22px 14px 34px;padding:22px}.connection-copy{align-items:flex-start;gap:12px;display:flex}.connection-copy h2{margin:5px 0 6px;font-size:21px}.connection-copy p{color:var(--muted);margin:0;font-size:14px;line-height:1.7}.connection-form{gap:8px;margin-top:20px;display:grid}.connection-form label{color:#4e4651;margin-top:4px;font-size:14px;font-weight:800}.connection-form input{border:1px solid #d8d0db;border-radius:12px;outline:none;min-height:47px;padding:0 13px}.connection-form input:focus{border-color:var(--purple-700);box-shadow:0 0 0 3px #6f258d1f}.connection-form 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button{background:var(--purple-800);color:#fff;border:0;border-radius:11px;min-height:44px;margin-top:4px;font-weight:900}.chart-wrap{width:100%;overflow:hidden}.chart-wrap svg{width:100%;height:auto;display:block}.combined-chart-wrap svg{height:clamp(220px,44vw,310px)}.grid-line{stroke:#eee8f0;stroke-width:1px}.usage-line{fill:none;stroke:var(--purple-700);stroke-width:3px;stroke-linecap:round;stroke-linejoin:round}.amount-line{fill:none;stroke:var(--gold);stroke-width:3px;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:7 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var(--line);background:#fff;border-radius:13px;scroll-margin-top:18px;overflow:hidden}.piw-section-list>details>summary{cursor:pointer;background:#faf7fb;justify-content:space-between;align-items:center;gap:12px;padding:13px;list-style-position:inside;display:flex}.piw-section-list>details>summary span{font-size:14px;font-weight:900}.piw-section-list>details>summary small{color:var(--muted);flex:none;font-size:12px}.data-table-wrap{overscroll-behavior-inline:contain;width:100%;overflow-x:auto}.data-table-wrap table{border-collapse:collapse;width:max-content;min-width:100%;font-size:12px;line-height:1.45}.data-table-wrap th,.data-table-wrap td{text-align:left;vertical-align:top;white-space:nowrap;border-bottom:1px solid #eee8f0;border-right:1px solid #eee8f0;max-width:260px;padding:9px 10px}.data-table-wrap th{z-index:1;background:var(--purple-950);color:#fff;font-weight:800;position:sticky;top:0}.data-table-wrap tbody tr:nth-child(2n){background:#faf8fb}.data-table-wrap td:last-child,.data-table-wrap th:last-child{border-right:0}.mobile-nav{z-index:10;height:68px;padding:6px 10px max(6px, env(safe-area-inset-bottom));border-top:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fffffff5;grid-template-columns:repeat(4,1fr);display:grid;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 26px #260b2e14}.mobile-nav a{color:#857d87;flex-direction:column;justify-content:center;align-items:center;gap:2px;font-size:12px;text-decoration:none;display:flex}.mobile-nav a span{font-size:18px;line-height:1}.mobile-nav a.active{color:var(--purple-700);font-weight:900}@media (min-width:720px){.app-shell{padding-bottom:0}.topbar{height:74px;padding-inline:34px}.hero{border-radius:0 0 26px 26px;grid-template-columns:minmax(240px,.72fr) minmax(390px,1.28fr);align-items:center;gap:30px;padding:26px 38px;display:grid}.search-panel{margin-top:0}.dashboard{padding:28px 24px 54px}.piw-connect-panel{grid-template-columns:minmax(0,1fr) minmax(320px,430px);align-items:center;gap:32px;margin:28px 24px 54px;padding:28px;display:grid}.connection-form{margin-top:0}.piw-connect-panel>small{grid-column:1/-1;margin-top:-12px}.summary-grid{grid-auto-flow:initial;grid-template-columns:repeat(3,1fr);overflow:visible}.overview-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.overview-grid .meter-panel{grid-column:1/-1}.overview-grid .invoice-card{grid-template-columns:1fr}.overview-grid .invoice-due{border-top:1px solid #f0ccd1;border-left:0}.invoice-card{grid-template-columns:minmax(0,1fr) 220px}.invoice-due{border-top:0;border-left:1px solid #f0ccd1;justify-content:center}.mobile-nav{display:none}}@media (min-width:1000px){.overview-grid{grid-template-columns:minmax(0,1.28fr) minmax(250px,.78fr) minmax(285px,.92fr);align-items:stretch}.overview-grid .meter-panel{grid-column:auto}.overview-grid .invoice-panel,.overview-grid .meter-panel{flex-direction:column;display:flex}.overview-grid .invoice-card{flex:1;grid-template-rows:auto 1fr}.overview-grid .meter-panel .map-actions{margin-top:auto;padding-top:13px}}@media (min-width:1100px){body{background:#eee9f0;padding:24px}.app-shell{background:var(--background);border-radius:26px;max-width:1240px;margin:0 auto;overflow:hidden;box-shadow:0 26px 70px #23082b24}.dashboard{padding-inline:38px}.piw-connect-panel{margin-inline:38px}.summary-card{min-height:142px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}