:root {
  --ink: #0b0d0c;
  --surface: #121513;
  --line: rgba(255, 255, 255, 0.12);
  --text: #f3f5ef;
  --muted: #9da39e;
  --accent: #d9ff43;
  --accent-soft: rgba(217, 255, 67, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; color: var(--text); background: var(--ink); font-family: "DM Sans", sans-serif; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header { position: relative; z-index: 10; height: 96px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(24px, 5vw, 76px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 13px; font-family: "Manrope", sans-serif; font-size: 21px; font-weight: 500; letter-spacing: -0.7px; }
.brand strong { font-weight: 800; }
.brand-icon { width: 46px; height: 46px; display: block; object-fit: contain; transform-origin: center; animation: brain-spin 7s linear infinite; }
@keyframes brain-spin { to { transform: rotate(360deg); } }
.site-nav { display: flex; align-items: center; gap: clamp(22px, 3vw, 48px); }
.site-nav a { color: var(--theme-muted, #b6bbb7); font-size: 14px; transition: color .2s ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--text); }
.site-nav .nav-login { display: inline-flex; align-items: center; gap: 18px; padding: 13px 17px 13px 21px; color: var(--on-accent, var(--ink)); background: var(--accent); border-radius: 999px; font-weight: 600; }
.nav-logout { margin: 0; }
.nav-logout .nav-login { border: 0; cursor: pointer; }
.nav-login span { font-size: 17px; }
.menu-toggle { display: none; }

.services-shell { max-width: 1120px; min-height: calc(100vh - 148px); margin: 0 auto; padding: clamp(48px, 7vw, 96px) clamp(24px, 5vw, 64px); }
.services-heading { margin-bottom: 36px; }
.services-heading h1 { margin: 0; font: 600 clamp(34px, 5vw, 64px)/1.12 "Manrope", sans-serif; letter-spacing: -.04em; }
.services-heading h1 em { color: var(--accent); font-style: normal; }
.services-copy { color: var(--theme-muted, #b6bbb7); font-size: 17px; line-height: 1.8; }
.services-copy p { margin: 0; }
.services-features { margin: 40px 0; padding: clamp(24px, 4vw, 40px); background: var(--surface); border: 1px solid var(--line); border-radius: 3px; }
.services-features h2 { margin: 0 0 24px; color: var(--text); font: 600 clamp(22px, 3vw, 28px)/1.3 "Manrope", sans-serif; }
.services-features ul { margin: 0; padding-left: 22px; }
.services-features li { padding-left: 6px; }
.services-features li + li { margin-top: 16px; }
.services-features li::marker { color: var(--accent); }
.services-experience { padding-left: 24px; border-left: 2px solid var(--accent); }
.analysis-section-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.analysis-section-nav a { padding: 12px 20px; color: var(--accent); border: 1px solid var(--line); border-radius: 999px; font-size: 14px; font-weight: 600; }
.analysis-section-nav a:hover, .analysis-section-nav a:focus-visible { background: var(--accent-soft); border-color: var(--accent); }
.analysis-section { scroll-margin-top: 24px; }

.login-shell { position: relative; isolation: isolate; min-height: calc(100vh - 148px); display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(440px, .72fr); gap: clamp(60px, 8vw, 140px); align-items: center; padding: clamp(70px, 9vh, 120px) clamp(24px, 8vw, 130px); overflow: hidden; }
.login-shell::before { content: ""; position: absolute; z-index: -2; inset: 0; opacity: .28; background-image: linear-gradient(rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.025) 1px, transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(to right, black, transparent 72%); }
.ambient { position: absolute; z-index: -1; border-radius: 50%; pointer-events: none; filter: blur(2px); }
.ambient-one { width: 520px; height: 520px; left: -310px; bottom: -270px; background: radial-gradient(circle, rgba(217,255,67,.1), transparent 68%); }
.ambient-two { width: 380px; height: 380px; right: 9%; top: 5%; border: 1px solid rgba(217,255,67,.05); }
.login-copy { max-width: 680px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 30px; color: var(--theme-muted, #b8bdb9); font-size: 12px; font-weight: 600; letter-spacing: 1.6px; text-transform: uppercase; }
.eyebrow span { width: 30px; height: 1px; background: var(--accent); }
.login-copy h1 { margin: 0; font-family: "Manrope", sans-serif; font-size: clamp(52px, 6.2vw, 94px); line-height: .98; letter-spacing: clamp(-4px, -.45vw, -2px); font-weight: 600; }
.login-copy h1 em { color: var(--accent); font-style: normal; }
.intro { max-width: 540px; margin: 34px 0 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.status-row { display: flex; gap: 0; margin-top: 66px; }
.status-row div { display: grid; gap: 4px; min-width: 175px; padding-left: 20px; border-left: 1px solid var(--line); }
.status-row strong { font-family: "Manrope", sans-serif; font-size: 20px; }
.status-row span { color: var(--theme-muted, #747a76); font-size: 12px; }

.login-panel { position: relative; width: 100%; max-width: 520px; justify-self: end; padding: clamp(34px, 4vw, 56px); background: linear-gradient(145deg, var(--theme-panel, rgba(25,29,26,.98)), var(--theme-panel, rgba(16,19,17,.98))); border: 1px solid var(--line); border-radius: 3px; box-shadow: 0 34px 100px rgba(var(--theme-shadow-rgb, 0, 0, 0), 0.38); }
.login-panel::before { content: ""; position: absolute; inset: -1px auto -1px -1px; width: 2px; background: linear-gradient(transparent 7%, var(--accent) 42%, transparent 92%); }
.panel-number { position: absolute; right: 34px; top: 29px; color: rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.12); font: 600 12px "Manrope", sans-serif; letter-spacing: 2px; }
.panel-heading p { margin: 0 0 8px; color: var(--accent); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 1.3px; }
.panel-heading h2 { margin: 0; font: 600 clamp(28px, 3vw, 38px) "Manrope", sans-serif; letter-spacing: -1.4px; }
.login-form { margin-top: 42px; }
.login-error { margin: -12px 0 24px; padding: 13px 15px; color: var(--theme-red, #ffd4d0); background: rgba(255, 91, 78, .09); border: 1px solid rgba(255, 91, 78, .3); border-radius: 2px; font-size: 13px; }
.field-group + .field-group { margin-top: 24px; }
.field-group label, .label-row { font-size: 13px; }
.label-row { display: flex; justify-content: space-between; align-items: center; }
.label-row a { color: var(--theme-muted, #868c87); font-size: 12px; transition: color .2s; }
.label-row a:hover { color: var(--accent); }
.field-wrap { position: relative; margin-top: 10px; }
.field-wrap input { width: 100%; height: 58px; padding: 0 50px 0 49px; color: var(--text); caret-color: var(--accent); background: var(--theme-input, rgba(4, 6, 5, .42)); border: 1px solid rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.14); border-radius: 2px; outline: none; transition: border-color .2s, box-shadow .2s, background .2s; }
.field-wrap input::placeholder { color: var(--theme-muted, #5f6560); }
.field-wrap input:focus { border-color: rgba(217,255,67,.7); box-shadow: 0 0 0 3px rgba(217,255,67,.07); background: var(--theme-input, rgba(4,6,5,.65)); }
.field-icon, .password-toggle { position: absolute; top: 50%; transform: translateY(-50%); }
.field-icon { left: 17px; width: 19px; height: 19px; color: var(--theme-muted, #777d78); pointer-events: none; }
.field-icon svg, .password-toggle svg, .submit-button svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.password-toggle { right: 12px; width: 38px; height: 38px; padding: 9px; color: var(--theme-muted, #8e948f); background: transparent; border: 0; border-radius: 50%; cursor: pointer; }
.password-toggle:hover, .password-toggle:focus-visible { color: var(--accent); background: var(--accent-soft); outline: none; }
.eye-closed { display: none; }
.password-toggle[aria-pressed="true"] .eye-open { display: none; }
.password-toggle[aria-pressed="true"] .eye-closed { display: block; }
.remember { position: relative; display: inline-flex; align-items: center; gap: 10px; margin: 20px 0 27px; color: var(--theme-muted, #9aa09b); font-size: 12px; cursor: pointer; }
.remember input { position: absolute; opacity: 0; }
.checkmark { width: 17px; height: 17px; display: grid; place-items: center; border: 1px solid var(--theme-border, #555b56); border-radius: 2px; transition: .2s; }
.remember input:checked + .checkmark { border-color: var(--accent); background: var(--accent); }
.remember input:checked + .checkmark::after { content: ""; width: 7px; height: 4px; border-left: 2px solid var(--on-accent, var(--ink)); border-bottom: 2px solid var(--on-accent, var(--ink)); transform: rotate(-45deg) translateY(-1px); }
.remember input:focus-visible + .checkmark { box-shadow: 0 0 0 3px rgba(217,255,67,.15); }
.submit-button { width: 100%; height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 0 21px 0 24px; color: var(--on-accent, var(--ink)); background: var(--accent); border: 0; border-radius: 2px; font-weight: 700; cursor: pointer; transition: transform .2s, background .2s; }
.submit-button svg { width: 21px; height: 21px; stroke-width: 2; transition: transform .2s; }
.submit-button:hover { background: var(--accent-hover, #e4ff75); transform: translateY(-2px); }
.submit-button:hover svg { transform: translateX(4px); }
.submit-button:focus-visible { outline: 3px solid rgba(217,255,67,.25); outline-offset: 3px; }
.help-text { margin: 26px 0 0; color: var(--theme-muted, #686e69); font-size: 12px; text-align: center; }
.help-text a { color: var(--theme-muted, #abb0ac); border-bottom: 1px solid var(--theme-border, #5a605b); }
.site-footer { height: 52px; display: flex; justify-content: space-between; align-items: center; padding: 0 clamp(24px, 5vw, 76px); color: var(--theme-muted, #5f6561); border-top: 1px solid var(--line); font-size: 11px; letter-spacing: .3px; }
.site-footer span:last-child { display: flex; align-items: center; gap: 9px; }
.site-footer i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px rgba(217,255,67,.65); }

.portal-shell { min-height: calc(100vh - 148px); display: grid; grid-template-columns: minmax(340px, 460px) minmax(0, 1fr); gap: clamp(50px, 8vw, 130px); align-items: center; padding: clamp(55px, 8vh, 100px) clamp(24px, 7vw, 110px); background-image: linear-gradient(rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.025) 1px, transparent 1px); background-size: 54px 54px; }
.portal-content { width: min(100%, 680px); justify-self: end; }
.portal-content h1 { margin: 0; font: 600 clamp(48px, 6vw, 86px)/1 "Manrope", sans-serif; letter-spacing: clamp(-4px, -.4vw, -2px); }
.portal-content h1 em { color: var(--accent); font-style: normal; }
.portal-demo-notice { margin-top: 24px; padding: 16px 20px; border: 1px solid var(--theme-border, #303a34); border-left: 3px solid var(--accent); border-radius: 8px; background: var(--theme-panel, #111813); color: var(--theme-text, #eff8f1); font-size: 15px; line-height: 1.7; overflow-wrap: anywhere; }
.portal-content > p:last-child { max-width: 570px; margin: 30px 0 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.connection-status { width: fit-content; display: flex; align-items: center; gap: 10px; margin: -8px 0 26px; padding: 9px 13px; border: 1px solid; border-radius: 2px; font-size: 12px; font-weight: 600; letter-spacing: .3px; }
.connection-status i { width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px currentColor; }
.connection-status.connected { color: var(--accent); background: rgba(217,255,67,.06); border-color: rgba(217,255,67,.25); }
.connection-status.failed { color: var(--theme-red, #ff8b80); background: rgba(255,91,78,.06); border-color: rgba(255,91,78,.28); }
.portal-menu { padding: 26px; background: var(--theme-panel, rgba(18, 21, 19, .95)); border: 1px solid var(--line); box-shadow: 0 34px 100px rgba(var(--theme-shadow-rgb, 0, 0, 0), 0.35); }
.portal-menu-title { margin: 0 0 18px; color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; }
.portal-menu-group { border-top: 1px solid var(--line); }
.portal-menu-item { width: 100%; min-height: 64px; display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 12px; padding: 0 18px; color: var(--text); text-align: left; background: transparent; border: 0; border-top: 1px solid var(--line); cursor: pointer; transition: color .2s, background .2s; }
.portal-menu-group > .portal-menu-item { border-top: 0; }
.portal-menu-item span { color: var(--theme-muted, #666d67); font: 600 10px "Manrope", sans-serif; letter-spacing: 1px; }
.portal-menu-item strong { font: 600 16px "Manrope", sans-serif; }
.portal-menu-item i { color: var(--accent); font-style: normal; font-size: 19px; transition: transform .2s; }
.portal-menu-item[aria-expanded="true"] i { transform: rotate(45deg); }
.portal-menu-item:hover:not(:disabled) { color: var(--accent); background: rgba(217,255,67,.04); }
.portal-menu-item:disabled { opacity: .35; cursor: not-allowed; }
.portal-submenu { padding: 0 0 8px 38px; }
.portal-submenu-item { width: 100%; min-height: 46px; display: grid; grid-template-columns: 12px 1fr auto; align-items: center; gap: 12px; padding: 0 18px; color: var(--theme-muted, #b6bbb7); text-align: left; background: rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.018); border: 0; border-top: 1px solid rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.07); cursor: pointer; transition: color .2s, background .2s; }
.portal-submenu-item > span { width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }
.portal-submenu-item strong { font: 500 14px "Manrope", sans-serif; }
.portal-submenu-item i { color: var(--theme-muted, #666d67); font-style: normal; }
.portal-submenu-item:hover:not(:disabled) { color: var(--accent); background: rgba(217,255,67,.04); }
.portal-submenu-item:disabled { opacity: .35; cursor: not-allowed; }

.battery-page { min-height: calc(100vh - 148px); padding: clamp(52px, 7vw, 100px) clamp(24px, 7vw, 110px); background-image: linear-gradient(rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.025) 1px, transparent 1px); background-size: 54px 54px; }
.battery-page-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 50px; }
.battery-page-heading .eyebrow { margin-bottom: 18px; }
.battery-page-heading h1 { margin: 0; font: 600 clamp(42px, 5vw, 72px)/1 "Manrope", sans-serif; letter-spacing: -3px; }
.battery-page-heading h1 em { color: var(--accent); font-style: normal; }
.back-link { padding: 12px 0; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 13px; transition: color .2s, border-color .2s; }
.back-link:hover { color: var(--accent); border-color: var(--accent); }
.menu-back { display:inline-flex; align-items:center; justify-content:center; flex-shrink:0; padding:14px 20px; border:1px solid #58d4c6; border-radius:8px; background:#58d4c6; color:#092520; font-size:14px; font-weight:700; text-decoration:none; line-height:1.4; }
.menu-back:hover { background:#8ce9df; border-color:#8ce9df; color:#092520; }
.menu-back:focus-visible { outline:3px solid var(--accent); outline-offset:4px; }
.battery-message { padding: 22px; color: var(--muted); background: var(--surface); border: 1px solid var(--line); }
.battery-message.error { color: var(--theme-red, #ff9a91); border-color: rgba(255,91,78,.3); }
.battery-switcher { display: flex; gap: 12px; margin: -25px 0 24px; overflow-x: auto; padding: 1px 1px 8px; }
.battery-switcher > a { min-width: 230px; display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 13px; padding: 14px 16px; color: var(--theme-muted, #858c86); background: var(--theme-panel, rgba(18,21,19,.92)); border: 1px solid var(--line); transition: color .2s, border-color .2s, background .2s; }
.battery-switcher > a:hover, .battery-switcher > a.active { color: var(--text); border-color: rgba(217,255,67,.45); background: rgba(217,255,67,.055); }
.battery-switcher > a > i { position: relative; width: 27px; height: 17px; display: flex; gap: 2px; padding: 3px; border: 1px solid currentColor; border-radius: 2px; }
.battery-switcher > a > i::after { content: ""; position: absolute; right: -4px; top: 5px; width: 3px; height: 7px; background: currentColor; border-radius: 0 2px 2px 0; }
.battery-switcher > a > i span { flex: 1; background: currentColor; opacity: .8; }
.battery-switcher > a > span { display: grid; gap: 3px; }
.battery-switcher small { color: var(--theme-muted, #676e68); font-size: 9px; text-transform: uppercase; letter-spacing: .8px; }
.battery-switcher strong { font: 600 13px "Manrope", sans-serif; white-space: nowrap; }
.battery-switcher em { color: var(--accent); font: 700 15px "Manrope", sans-serif; font-style: normal; }
.battery-overview { display: grid; grid-template-columns: minmax(330px, .75fr) minmax(520px, 1.25fr); gap: 22px; }
.battery-hero, .battery-metrics, .soc-panel, .battery-units { background: var(--theme-panel, rgba(18,21,19,.96)); border: 1px solid var(--line); box-shadow: 0 25px 70px rgba(var(--theme-shadow-rgb, 0, 0, 0), 0.2); }
.battery-hero { min-height: 340px; display: flex; align-items: center; gap: clamp(28px, 4vw, 62px); padding: clamp(32px, 4vw, 56px); }
.battery-visual { position: relative; flex: 0 0 126px; height: 220px; display: grid; place-items: center; }
.battery-cap { position: absolute; top: 0; left: 43px; width: 40px; height: 9px; background: var(--theme-panel, #59605b); border-radius: 3px 3px 0 0; }
.battery-body { position: absolute; inset: 8px 0 0; display: flex; flex-direction: column; gap: 5px; padding: 13px; border: 2px solid var(--theme-border, #59605b); border-radius: 7px; }
.battery-cell { flex: 1; background: rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.045); border-radius: 2px; }
.battery-cell.charged { background: var(--accent); box-shadow: 0 0 12px rgba(217,255,67,.18); }
.battery-visual > strong { z-index: 1; padding: 8px; color: var(--text); background: var(--theme-panel, rgba(11,13,12,.78)); font: 700 27px "Manrope", sans-serif; letter-spacing: -1px; }
.battery-visual > strong small { font-size: 13px; }
.battery-kicker { margin: 0 0 9px; color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: 1.3px; text-transform: uppercase; }
.battery-identity h2, .soc-panel h2, .battery-units h2 { margin: 0; font: 600 27px "Manrope", sans-serif; letter-spacing: -1px; }
.battery-state { display: flex; align-items: center; gap: 9px; margin-top: 24px; color: var(--theme-muted, #abb0ac); font-size: 13px; }
.battery-state i { width: 7px; height: 7px; border-radius: 50%; background: #ff6e62; box-shadow: 0 0 9px currentColor; }
.battery-state i.online { background: var(--accent); }
.battery-mode { margin: 12px 0 0; color: var(--theme-muted, #676e68); font-size: 12px; }
.battery-metrics { display: grid; grid-template-columns: repeat(3, 1fr); }
.battery-metrics article { min-height: 170px; display: flex; flex-direction: column; justify-content: center; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.battery-metrics article:nth-child(3n) { border-right: 0; }
.battery-metrics article:nth-child(n+4) { border-bottom: 0; }
.battery-metrics span { color: var(--theme-muted, #777e78); font-size: 11px; }
.battery-metrics strong { margin-top: 13px; font: 600 clamp(22px, 2.1vw, 32px) "Manrope", sans-serif; letter-spacing: -1px; }
.battery-metrics strong small { color: var(--accent); font-size: 11px; letter-spacing: 0; }
.battery-metrics .metric-date { font-size: 19px; letter-spacing: -.4px; }
.battery-metrics p { margin: 7px 0 0; color: var(--theme-muted, #666d67); font-size: 11px; }
.battery-warning { display: flex; gap: 18px; margin-top: 22px; padding: 17px 20px; color: var(--theme-red, #ffaaa3); background: rgba(255,91,78,.07); border: 1px solid rgba(255,91,78,.27); font-size: 13px; }
.battery-warning strong { white-space: nowrap; }
.soc-panel { margin-top: 22px; padding: clamp(28px, 4vw, 46px); }
.soc-panel > header { display: flex; align-items: start; justify-content: space-between; gap: 20px; }
.soc-panel > header > span { color: var(--theme-muted, #69706a); font-size: 11px; }
.soc-chart-wrap { position: relative; margin: 38px 0 0 44px; }
.soc-chart { width: 100%; height: 280px; overflow: visible; }
.soc-chart line { stroke: rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.08); stroke-width: 1; vector-effect: non-scaling-stroke; }
.soc-chart polygon { fill: rgba(217,255,67,.07); }
.soc-chart polyline { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; filter: drop-shadow(0 0 5px rgba(217,255,67,.3)); }
.soc-y-labels { position: absolute; inset: -5px auto 19px -44px; display: flex; flex-direction: column; justify-content: space-between; color: var(--theme-muted, #646b65); font-size: 10px; }
.soc-x-labels { display: flex; justify-content: space-between; margin-top: 10px; color: var(--theme-muted, #646b65); font-size: 10px; }
.chart-empty { margin: 34px 0 0; color: var(--muted); }
.battery-units { margin-top: 22px; padding: 32px; }
.battery-units h2 { margin-bottom: 20px; font-size: 21px; }
.battery-units > div { display: grid; grid-template-columns: 1fr auto auto; gap: 24px; padding: 14px 0; color: var(--muted); border-top: 1px solid var(--line); font-size: 12px; }
.battery-units > div strong { color: var(--text); }
.planning-heading-actions { display: flex; align-items: center; gap: 20px; }
.read-only-badge { padding: 8px 11px; color: var(--theme-muted, #8e958f); border: 1px solid var(--line); font-size: 9px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
.plan-status-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-bottom: 22px; background: var(--line); border: 1px solid var(--line); }
.plan-status-grid article { min-height: 118px; display: flex; flex-direction: column; justify-content: center; padding: 24px 28px; background: var(--theme-panel, rgba(18,21,19,.97)); }
.plan-status-grid span { color: var(--theme-muted, #747b75); font-size: 10px; text-transform: uppercase; letter-spacing: .8px; }
.plan-status-grid strong { margin-top: 9px; font: 600 18px "Manrope", sans-serif; }
.plan-status-grid small { margin-top: 7px; color: var(--accent); font-size: 10px; }
.mode-panel, .planning-chart-panel { margin-top: 22px; padding: clamp(26px, 3vw, 40px); background: var(--theme-panel, rgba(18,21,19,.96)); border: 1px solid var(--line); box-shadow: 0 25px 70px rgba(var(--theme-shadow-rgb, 0, 0, 0), 0.18); }
.mode-panel header h2, .planning-chart-panel header h2 { margin: 0; font: 600 23px "Manrope", sans-serif; letter-spacing: -.8px; }
.mode-timeline-wrap { position: relative; margin-top: 30px; }
.mode-timeline { position: relative; height: 54px; overflow: hidden; background: rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.035); border: 1px solid var(--line); cursor: crosshair; }
.mode-timeline:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.mode-cursor { position: absolute; z-index: 2; top: 0; bottom: 0; width: 1px; background: var(--theme-text, #fff); pointer-events: none; }
.mode-timeline-wrap .mode-tooltip { position: absolute; z-index: 4; top: calc(100% + 8px); display: flex; flex-direction: column; align-items: start; gap: 8px; width: max-content; max-width: min(380px, 100%); margin: 0; padding: 12px 16px; border: 1px solid var(--line); border-radius: 4px; background: var(--theme-panel, #121513); box-shadow: 0 8px 24px rgba(0,0,0,.25); pointer-events: none; }
.mode-timeline-wrap .mode-tooltip[hidden] { display: none; }
.mode-timeline > span { position: absolute; top: 0; bottom: 0; opacity: .78; }
.mode-timeline > span.future { opacity: .42; background-image: repeating-linear-gradient(135deg, transparent 0 5px, rgba(0,0,0,.22) 5px 9px); }
.mode-now { position: absolute; z-index: 2; top: -4px; bottom: -4px; width: 2px; background: var(--theme-text, white); box-shadow: 0 0 9px rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.55); }
.mode-legend { display: flex; flex-wrap: wrap; gap: 12px 22px; margin-top: 18px; color: var(--theme-muted, #858c86); font-size: 10px; }
.mode-legend span, .planning-legend { display: flex; align-items: center; gap: 7px; }
.mode-legend i, .planning-legend i { width: 16px; height: 3px; display: inline-block; }
.planning-chart-panel > header { display: flex; align-items: start; justify-content: space-between; gap: 20px; }
.planning-chart-panel > header > span { color: var(--theme-muted, #6f766f); font-size: 10px; }
.planning-legend { flex-wrap: wrap; gap: 10px 18px; margin-top: 20px; color: var(--theme-muted, #858c86); font-size: 10px; }
.planning-legend button { display: inline-flex; align-items: center; gap: 8px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 4px; background: transparent; color: var(--theme-text, #fff); font: inherit; font-size: 12px; cursor: pointer; }
.planning-legend button[aria-pressed="false"] { color: var(--theme-muted, #858c86); text-decoration: line-through; }
.planning-legend button[aria-pressed="false"] i { opacity: .25; }
.planning-legend button:hover { border-color: var(--theme-muted, #858c86); }
.planning-legend button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.planning-price-note { margin: 12px 0 0; color: var(--theme-muted, #858c86); font-size: 12px; line-height: 1.6; }
.price-import, .power-plan, .soc-plan { background: var(--theme-accent, #d9ff43); }
.price-export { background: #55d6be; }
.price-network, .soc-reserve { background: #ffb45b; }
.power-actual, .soc-actual { background: var(--theme-text, #fff); }
.power-grid { background: #ff8b80; }
.power-net, .soc-target { background: #60a5fa; }
.power-solar { background: #facc15; }
.planning-chart { position: relative; display: grid; grid-template-columns: 64px minmax(0, 1fr); grid-template-rows: minmax(0, 1fr); height: 280px; min-height: 0; margin-top: 24px; }
.planning-chart svg { display: block; width: 100%; height: 100%; min-width: 0; min-height: 0; overflow: hidden; }
.planning-y-axis { position: relative; color: var(--theme-text, #fff); font-size: 12px; font-variant-numeric: tabular-nums; }
.planning-y-axis span { position: absolute; right: 12px; transform: translateY(-50%); white-space: nowrap; }
.planning-chart-message { position: absolute; left: 64px; right: 0; top: 40%; text-align: center; color: var(--theme-muted, #858c86); font-size: 12px; pointer-events: none; }
.planning-chart .planning-tooltip { position: absolute; z-index: 3; top: 8px; display: flex; flex-direction: column; align-items: start; gap: 8px; width: max-content; max-width: calc(100% - 16px); margin: 0; padding: 12px 16px; border: 1px solid var(--line); border-radius: 4px; background: var(--theme-panel, #121513); box-shadow: 0 8px 24px rgba(0,0,0,.25); pointer-events: none; }
.planning-chart .planning-tooltip[hidden] { display: none; }
.planning-chart .chart-grid { stroke: rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.075); stroke-width: 1; vector-effect: non-scaling-stroke; }
.planning-chart .chart-now { stroke: rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.5); stroke-width: 1; stroke-dasharray: 5 5; vector-effect: non-scaling-stroke; }
.planning-chart path { stroke-linejoin: round; stroke-linecap: round; }
.planning-chart.empty { display: grid; place-items: center; color: var(--muted); font-size: 12px; }
.electricity-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-bottom: 22px; background: var(--line); border: 1px solid var(--line); }
.electricity-summary article { min-height: 120px; display: flex; flex-direction: column; justify-content: center; padding: 24px 28px; background: var(--theme-panel, rgba(18,21,19,.97)); }
.electricity-summary span { color: var(--theme-muted, #747b75); font-size: 10px; text-transform: uppercase; letter-spacing: .8px; }
.electricity-summary strong { margin-top: 10px; font: 600 27px "Manrope", sans-serif; letter-spacing: -1px; }
.electricity-summary strong small { color: var(--accent); font-size: 11px; letter-spacing: 0; }
.electricity-summary .summary-date { font-size: 18px; }
.electricity-panel { margin-top: 22px; padding: clamp(26px, 3vw, 42px); background: var(--theme-panel, rgba(18,21,19,.96)); border: 1px solid var(--line); box-shadow: 0 25px 70px rgba(var(--theme-shadow-rgb, 0, 0, 0), 0.18); }
.electricity-panel > header { display: flex; justify-content: space-between; align-items: start; gap: 20px; }
.electricity-panel > header h2 { margin: 0; font: 600 24px "Manrope", sans-serif; letter-spacing: -.8px; }
.electricity-panel > header > span { color: var(--theme-muted, #707771); font-size: 10px; }
.electricity-legend-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-top: 24px; }
.electricity-legend-heading > div:first-child { display: flex; flex-direction: column; gap: 3px; }
.electricity-legend-heading strong { color: var(--theme-text, #d2d6d3); font: 600 12px "Manrope", sans-serif; }
.electricity-legend-heading span { color: var(--theme-muted, #6f766f); font-size: 10px; }
.electricity-legend-actions { display: flex; gap: 7px; }
.electricity-legend-actions button { padding: 7px 10px; color: var(--theme-muted, #929992); background: transparent; border: 1px solid rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.12); cursor: pointer; font-size: 10px; }
.electricity-legend-actions button:hover { color: var(--accent); border-color: rgba(217,255,67,.35); }
.electricity-device-legend { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 12px; }
.electricity-device-legend button { display: grid; grid-template-columns: 14px auto auto; align-items: center; gap: 7px; padding: 8px 10px; color: var(--theme-muted, #686f69); background: rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.015); border: 1px solid rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.08); cursor: pointer; font-size: 10px; transition: color .2s, border-color .2s, background .2s; }
.electricity-device-legend button.active { color: var(--theme-text, #d3d7d4); background: rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.035); border-color: rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.2); }
.electricity-device-legend button > i { width: 14px; height: 4px; opacity: .28; }
.electricity-device-legend button.active > i { opacity: 1; box-shadow: 0 0 8px currentColor; }
.electricity-device-legend button > strong { font: 600 10px "DM Sans", sans-serif; }
.electricity-device-legend button > span { padding-left: 5px; color: var(--theme-muted, #555c56); font-size: 8px; text-transform: uppercase; }
.electricity-device-legend button.active > span { color: var(--accent); }
.electricity-line-chart { position: relative; height: 340px; margin-top: 24px; }
.electricity-line-chart svg { width: 100%; height: 310px; overflow: visible; }
.electricity-line-chart .chart-grid { stroke: rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.075); stroke-width: 1; vector-effect: non-scaling-stroke; }
.electricity-line-chart polyline { stroke-linecap: round; stroke-linejoin: round; }
.electricity-y-axis { position: absolute; top: 1px; bottom: 31px; left: 0; width: 62px; pointer-events: none; }
.electricity-y-axis span { position: absolute; right: 0; transform: translateY(-50%); color: var(--theme-muted, #8a918b); font: 600 9px "Manrope", sans-serif; white-space: nowrap; }
.electricity-time-labels { display: flex; justify-content: space-between; margin: 9px 1% 0 7.2%; color: var(--theme-muted, #646b65); font-size: 10px; }
.solar-inverter-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.solar-history-panel { min-width: 0; }
.solar-chart-help { color: var(--theme-muted, #a3ada5); font-size: 12px; line-height: 1.7; }
.solar-chart-legend { display: flex; flex-wrap: wrap; gap: 12px 24px; margin: 24px 0 8px; }
.solar-chart-legend > span { display: inline-flex; align-items: center; gap: 8px; color: var(--theme-text, #d3d7d4); font-size: 12px; overflow-wrap: anywhere; }
.solar-chart-legend i { width: 20px; height: 3px; flex-shrink: 0; border-radius: 4px; }
.solar-chart-scroll { max-height: 670px; overflow: auto; margin-top: 18px; }
.solar-power-chart { min-width: 600px; }
.solar-power-chart svg { display: block; width: 100%; height: auto; }
.solar-power-chart svg:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.solar-grid { stroke: rgba(var(--theme-overlay-rgb, 255, 255, 255), 0.07); stroke-dasharray: 3 6; vector-effect: non-scaling-stroke; }
.solar-zero { stroke: var(--theme-grid, #718276); vector-effect: non-scaling-stroke; }
.solar-axis-label { fill: var(--theme-muted, #bdc7bf); font: 11px sans-serif; }
.solar-axis-caption { fill: var(--theme-muted, #98a79c); font: 10px sans-serif; }
.solar-cursor { stroke: var(--theme-accent, #d9ff43); stroke-dasharray: 4 4; vector-effect: non-scaling-stroke; pointer-events: none; }
.solar-chart-selection { display: flex; flex-wrap: wrap; gap: 8px 24px; padding: 16px; background: rgba(217,255,67,.035); border: 1px solid var(--line); color: var(--theme-muted, #bdc7bf); font-size: 12px; line-height: 1.7; }
.solar-chart-selection strong { color: var(--theme-accent, #d9ff43); }
.solar-inverter-card { display: grid; grid-template-columns: 210px 1fr; min-height: 290px; overflow: hidden; background: var(--theme-panel, rgba(18,21,19,.97)); border: 1px solid var(--line); }
.solar-inverter-card.has-alarm { border-color: rgba(255,95,86,.38); }
.solar-panel-visual { position: relative; display: grid; place-items: center; overflow: hidden; background: radial-gradient(circle at 72% 24%, rgba(250,204,21,.21), transparent 22%), linear-gradient(145deg, var(--theme-panel, #101b22), var(--theme-panel, #0b100e)); }
.solar-rays { position: absolute; top: 31px; right: 31px; width: 44px; height: 44px; border: 2px solid #facc15; border-radius: 50%; box-shadow: 0 0 28px rgba(250,204,21,.25); }
.solar-panel-cells { width: 132px; height: 86px; margin-top: 42px; transform: perspective(250px) rotateX(55deg); border: 3px solid #8dd9ff; background: repeating-linear-gradient(90deg, transparent 0 25%, rgba(141,217,255,.8) 25% 27%), repeating-linear-gradient(0deg, var(--theme-blue-soft, #123750) 0 31%, rgba(141,217,255,.8) 31% 34%); box-shadow: 0 14px 34px rgba(44,164,225,.23); }
.solar-panel-visual > span { position: absolute; bottom: 47px; width: 4px; height: 42px; background: #738079; }
.solar-inverter-content { padding: 28px; }
.solar-inverter-content header { display: flex; justify-content: space-between; align-items: start; gap: 16px; }
.solar-inverter-content header p { margin: 0 0 5px; color: var(--theme-muted, #777e78); font-size: 10px; text-transform: uppercase; letter-spacing: .8px; }
.solar-inverter-content h2 { margin: 0; font: 600 20px "Manrope", sans-serif; }
.solar-state { padding: 5px 8px; color: var(--accent); border: 1px solid rgba(217,255,67,.25); font-size: 9px; text-transform: uppercase; }
.solar-state.alarm { color: var(--theme-red, #ff6a63); border-color: rgba(255,95,86,.32); }
.solar-current-power { display: block; margin: 28px 0 20px; font: 600 38px "Manrope", sans-serif; letter-spacing: -1.5px; }
.solar-current-power small { color: var(--accent); font-size: 13px; }
.solar-inverter-content dl { display: grid; grid-template-columns: repeat(2, 1fr); gap: 13px 20px; margin: 0; }
.solar-inverter-content dl div { min-width: 0; }
.solar-inverter-content dt { color: var(--theme-muted, #686f69); font-size: 9px; text-transform: uppercase; }
.solar-inverter-content dd { overflow: hidden; margin: 4px 0 0; color: var(--theme-muted, #adb3ae); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.solar-alarm { margin: 18px 0 0; padding: 9px 11px; color: var(--theme-red, #ff827b); background: rgba(255,95,86,.07); border-left: 2px solid #ff5f56; font-size: 11px; }
.power-share-content { display: grid; grid-template-columns: minmax(260px, .65fr) minmax(380px, 1.35fr); gap: clamp(40px, 7vw, 100px); align-items: center; padding-top: 35px; }
.power-donut { position: relative; width: min(100%, 330px); aspect-ratio: 1; justify-self: center; display: grid; place-items: center; }
.power-donut svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.power-donut strong { position: absolute; display: grid; text-align: center; font: 700 30px "Manrope", sans-serif; letter-spacing: -1px; }
.power-donut strong small { color: var(--accent); font-size: 10px; letter-spacing: 0; }
.power-share-legend { display: grid; }
.power-share-legend > div { display: grid; grid-template-columns: 12px minmax(120px, 1fr) auto 60px; align-items: center; gap: 13px; padding: 14px 0; border-top: 1px solid var(--line); }
.power-share-legend i { width: 8px; height: 8px; border-radius: 50%; }
.power-share-legend strong { font: 500 13px "Manrope", sans-serif; }
.power-share-legend span { color: var(--theme-muted, #a5aba6); font-size: 12px; }
.power-share-legend em { color: var(--accent); text-align: right; font-size: 11px; font-style: normal; }

@media (max-width: 980px) {
  .login-shell { grid-template-columns: 1fr; gap: 60px; padding-top: 70px; }
  .login-copy, .login-panel { max-width: 650px; justify-self: center; width: 100%; }
  .login-copy { text-align: center; }
  .eyebrow, .status-row { justify-content: center; }
  .intro { margin-left: auto; margin-right: auto; }
  .portal-shell { grid-template-columns: 1fr; }
  .portal-menu { width: 100%; max-width: 650px; justify-self: center; }
  .battery-overview { grid-template-columns: 1fr; }
  .plan-status-grid { grid-template-columns: 1fr; }
  .electricity-summary { grid-template-columns: repeat(2, 1fr); }
  .solar-inverter-grid { grid-template-columns: 1fr; }
  .power-share-content { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
  .site-header { height: 76px; }
  .menu-toggle { display: grid; width: 42px; height: 42px; place-content: center; gap: 6px; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--theme-text, white); }
  .menu-toggle > span:not(.sr-only) { width: 17px; height: 1px; background: currentColor; transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] > span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav { position: absolute; display: none; flex-direction: column; align-items: stretch; gap: 0; top: 76px; right: 16px; width: min(250px, calc(100vw - 32px)); padding: 12px; background: var(--theme-panel, #171a18); border: 1px solid var(--line); box-shadow: 0 25px 70px rgba(var(--theme-shadow-rgb, 0, 0, 0), 0.55); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px 13px; }
  .site-nav .nav-login { margin-top: 7px; justify-content: space-between; }
}

@media (max-width: 680px) {
  .login-shell { min-height: auto; padding: 60px 20px 80px; }
  .login-copy h1 { font-size: clamp(46px, 14vw, 66px); letter-spacing: -3px; }
  .intro { font-size: 15px; }
  .status-row { margin-top: 44px; }
  .status-row div { min-width: 145px; }
  .login-panel { padding: 34px 24px; }
  .site-footer { height: auto; min-height: 68px; gap: 12px; flex-wrap: wrap; }
  .battery-page { padding: 50px 20px 70px; }
  .battery-page-heading { align-items: start; flex-direction: column; margin-bottom: 34px; }
  .planning-heading-actions { width: 100%; justify-content: space-between; }
  .battery-switcher { margin-top: -12px; }
  .battery-hero { min-height: auto; }
  .battery-metrics { grid-template-columns: repeat(2, 1fr); }
  .battery-metrics article:nth-child(3n) { border-right: 1px solid var(--line); }
  .battery-metrics article:nth-child(2n) { border-right: 0; }
  .battery-metrics article:nth-child(n+4) { border-bottom: 1px solid var(--line); }
  .battery-metrics article:nth-child(n+5) { border-bottom: 0; }
  .soc-chart { height: 210px; }
  .electricity-summary { grid-template-columns: 1fr; }
  .electricity-line-chart { height: 270px; }
  .electricity-line-chart svg { height: 240px; }
  .electricity-legend-heading { align-items: start; flex-direction: column; }
  .solar-inverter-card { grid-template-columns: 1fr; }
  .solar-panel-visual { min-height: 190px; }
  .power-share-legend > div { grid-template-columns: 10px minmax(90px, 1fr) auto 50px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .brand-icon { animation: none; }
}

.planning-cursor { stroke:var(--theme-grid, #fff);stroke-width:1;stroke-dasharray:4 4;pointer-events:none;vector-effect:non-scaling-stroke; }
.planning-readings { display:flex;flex-wrap:wrap;gap:12px 22px;padding:18px 0 0;color:var(--muted);font-size:12px;line-height:1.7; }
.planning-readings strong { flex-basis:100%;color:var(--text); }
.planning-readings span { display:inline-flex;align-items:center;gap:8px; }
.planning-readings i { width:8px;height:8px;border-radius:50%;flex-shrink:0; }
.planning-chart svg:focus-visible { outline:2px solid var(--accent);outline-offset:3px; }