:root {
  --navy: #212836;
  --navy-2: #0d364f;
  --navy-3: #0e405e;
  --teal: #01a09a;
  --teal-2: #1a9ca2;
  --cyan: #2d8db8;
  --ink: #152132;
  --muted: #6c7887;
  --line: #e2e7ea;
  --bg: #f5f7f8;
  --card: #ffffff;
  --soft: #eef7f7;
  --success: #137c72;
  --danger: #b53d45;
  --shadow: 0 12px 34px rgba(25, 44, 58, .10);
  --radius: 18px;
}
* { box-sizing: border-box; }
html, body, #root { min-height: 100%; margin: 0; }
body { font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: var(--bg); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }

.login-page { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(420px, .8fr); background: #fff; }
.login-brand { background: linear-gradient(140deg, var(--navy) 0%, var(--navy-2) 58%, #124d69 100%); color: white; display: flex; min-height: 100vh; padding: 46px 7vw; }
.brand-panel { width: min(720px, 100%); margin: auto; }
.login-logo { width: 210px; max-width: 54vw; display: block; margin-bottom: 64px; }
.brand-copy h1 { font-size: clamp(38px, 5vw, 68px); line-height: 1.03; letter-spacing: -0.04em; max-width: 700px; margin: 12px 0 24px; }
.brand-copy p { font-size: 18px; line-height: 1.7; color: #c5d7df; max-width: 650px; }
.brand-points { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 34px; color: #d8f6f3; font-weight: 650; }
.login-form-wrap { display: flex; align-items: center; justify-content: center; padding: 48px; }
.login-card { width: min(430px, 100%); }
.login-card h2 { font-size: 38px; margin: 7px 0 10px; letter-spacing: -0.03em; }
.login-card label { display: block; font-size: 14px; font-weight: 700; margin-top: 22px; color: #334152; }
.login-card input { width: 100%; margin-top: 8px; height: 52px; border: 1px solid #d6dde2; border-radius: 11px; padding: 0 15px; outline: none; transition: .2s; }
.login-card input:focus { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(1,160,154,.10); }
.mobile-logo { display: none; background: var(--navy); padding: 9px 14px; border-radius: 10px; width: fit-content; margin-bottom: 28px; }
.mobile-logo img { width: 130px; display: block; }
.muted { color: var(--muted); line-height: 1.55; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: 12px; font-weight: 800; color: var(--teal); }
.eyebrow.light { color: #6bd8d4; }
.form-error, .alert.error { color: #8e2930; background: #fff1f2; border: 1px solid #f0c6ca; border-radius: 10px; padding: 11px 13px; margin-top: 14px; font-size: 14px; }
.demo-note { display: flex; align-items: flex-start; gap: 9px; color: #76828f; font-size: 12px; line-height: 1.5; margin-top: 20px; }

.primary-btn, .secondary-btn { min-height: 44px; border-radius: 10px; border: 0; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 800; padding: 0 18px; }
.primary-btn { background: var(--teal); color: white; box-shadow: 0 7px 18px rgba(1,160,154,.18); }
.primary-btn:hover { filter: brightness(.97); }
.primary-btn.full { width: 100%; margin-top: 25px; height: 52px; }
.secondary-btn { background: #eaf5f5; color: #14766f; }
.secondary-btn.light { background: rgba(255,255,255,.12); color: white; border: 1px solid rgba(255,255,255,.20); }
button:disabled { opacity: .62; cursor: wait; }

.app-shell { min-height: 100vh; display: flex; }
.sidebar { width: 248px; background: var(--navy); color: #dfe8ec; display: flex; flex-direction: column; padding: 24px 16px; position: fixed; inset: 0 auto 0 0; z-index: 30; }
.sidebar-head { display: flex; align-items: center; justify-content: space-between; padding: 0 8px 30px; }
.sidebar-logo { width: 150px; display: block; }
.sidebar nav { display: flex; flex-direction: column; gap: 7px; }
.nav-item { width: 100%; background: transparent; color: #c4ced4; border: 0; display: flex; align-items: center; gap: 12px; border-radius: 10px; padding: 13px 14px; text-align: left; font-weight: 650; }
.nav-item:hover { background: rgba(255,255,255,.06); color: white; }
.nav-item.active { background: rgba(1,160,154,.17); color: #e6fffc; }
.nav-item small { margin-left: auto; color: #71c9c5; font-size: 10px; text-transform: uppercase; }
.sidebar-footer { margin-top: auto; border-top: 1px solid rgba(255,255,255,.08); padding-top: 17px; }
.user-chip { display: flex; align-items: center; gap: 10px; padding: 9px 11px 13px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--teal), var(--cyan)); display: grid; place-items: center; color: white; font-weight: 900; }
.user-chip strong, .user-chip span { display: block; }
.user-chip strong { font-size: 13px; color: white; }
.user-chip span { font-size: 11px; color: #8fa4b0; margin-top: 2px; }
.logout { color: #9faeb7; }

.main-shell { flex: 1; margin-left: 248px; min-width: 0; }
.topbar { min-height: 88px; background: white; border-bottom: 1px solid #e6ebee; display: flex; align-items: center; gap: 18px; padding: 17px 34px; position: sticky; top: 0; z-index: 20; }
.topbar-copy { flex: 1; min-width: 0; }
.topbar h1 { font-size: 21px; margin: 0; letter-spacing: -0.02em; }
.topbar p { font-size: 12px; color: var(--muted); margin: 4px 0 0; }
.mode-chip { display: inline-flex; align-items: center; gap: 8px; border-radius: 999px; font-size: 12px; font-weight: 800; padding: 9px 12px; background: #f0f5f5; color: #3b5960; white-space: nowrap; }
.mode-chip.live { background: #e7f8f4; color: #17695f; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #e2aa36; box-shadow: 0 0 0 3px rgba(226,170,54,.13); }
.mode-chip.live .status-dot { background: #26a77f; box-shadow: 0 0 0 3px rgba(38,167,127,.13); }
.content { padding: 30px 34px 50px; }
.page-section { max-width: 1450px; margin: 0 auto; }

.hero, .plant-hero { background: linear-gradient(115deg, var(--navy-2), #0e4f69); color: white; border-radius: var(--radius); padding: 32px 36px; display: flex; align-items: center; justify-content: space-between; gap: 30px; box-shadow: var(--shadow); }
.hero h2, .plant-hero h2 { font-size: clamp(27px, 3vw, 40px); margin: 7px 0 9px; letter-spacing: -0.035em; }
.hero p, .plant-hero p { color: #bcd4dd; margin: 0; line-height: 1.55; }
.hero-stat { background: rgba(255,255,255,.08); min-width: 180px; padding: 20px 25px; border-radius: 14px; text-align: center; border: 1px solid rgba(255,255,255,.08); }
.hero-stat strong { font-size: 44px; display: block; color: #60d7d2; }
.hero-stat span { color: #cce0e7; font-size: 12px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 25px; margin: 34px 0 18px; }
.section-head h2 { font-size: 26px; margin: 5px 0 0; }
.section-head p { color: var(--muted); font-size: 13px; margin: 0; }
.plant-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.plant-card { background: white; border: 1px solid #e3e8eb; border-radius: 16px; padding: 20px; box-shadow: 0 7px 18px rgba(25,44,58,.04); transition: .2s ease; }
.plant-card:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(25,44,58,.09); border-color: #cbdadb; }
.plant-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.plant-icon { width: 48px; height: 48px; border-radius: 14px; background: var(--soft); color: var(--teal); display: grid; place-items: center; }
.status-pill { font-size: 10px; text-transform: uppercase; letter-spacing: .07em; border-radius: 999px; padding: 7px 9px; font-weight: 850; }
.status-pill.ok { background: #e8f7f2; color: #1c755f; }
.status-pill.pending { background: #f3f5f6; color: #78828c; }
.plant-kicker { color: var(--teal); text-transform: uppercase; font-weight: 800; font-size: 11px; letter-spacing: .10em; }
.plant-card h3 { margin: 5px 0; font-size: 21px; }
.plant-meta { margin: 0 0 16px; color: var(--muted); font-size: 12px; }
.connection-line { display: flex; justify-content: space-between; gap: 10px; border-top: 1px solid #edf0f2; padding: 10px 0; font-size: 12px; }
.connection-line span { color: #7d8994; }
.connection-line strong { text-align: right; font-weight: 750; }
.card-link { width: 100%; border: 0; border-radius: 10px; background: #eef8f8; color: #16746e; min-height: 43px; margin-top: 9px; display: flex; align-items: center; justify-content: center; gap: 8px; font-weight: 850; }
.future-panel { background: white; border: 1px dashed #cad4d8; border-radius: 15px; padding: 18px 22px; margin-top: 20px; display: flex; align-items: center; gap: 15px; }
.future-icon, .empty-icon { width: 50px; height: 50px; flex: 0 0 auto; border-radius: 14px; background: #edf4f5; color: #607782; display: grid; place-items: center; }
.future-panel strong { display: block; margin-bottom: 4px; }
.future-panel p { margin: 0; color: var(--muted); font-size: 13px; }
.future-badge { margin-left: auto; border-radius: 999px; background: #f2f5f6; color: #79858e; padding: 7px 10px; font-size: 10px; text-transform: uppercase; font-weight: 850; white-space: nowrap; }

.empty-state { min-height: 430px; background: white; border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 35px; }
.empty-state h2, .empty-state h3 { margin: 10px 0; }
.empty-state p { color: var(--muted); max-width: 620px; line-height: 1.6; }
.empty-state .future-badge { margin: 10px 0 0; }
.empty-state.compact { min-height: 300px; margin-top: 18px; }

.back-link { border: 0; background: transparent; color: #667680; padding: 0; margin-bottom: 14px; font-weight: 750; }
.plant-hero { padding: 26px 30px; }
.plant-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.auto-toggle { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; font-weight: 800; color: #d8e7eb; }
.auto-toggle input { position: absolute; opacity: 0; pointer-events: none; }
.auto-toggle span { width: 34px; height: 19px; border-radius: 999px; background: rgba(255,255,255,.18); position: relative; }
.auto-toggle span:after { content: ""; width: 13px; height: 13px; background: white; border-radius: 50%; position: absolute; top: 3px; left: 3px; transition: .18s; }
.auto-toggle input:checked + span { background: var(--teal); }
.auto-toggle input:checked + span:after { transform: translateX(15px); }
.tabs { display: flex; gap: 6px; margin-top: 18px; border-bottom: 1px solid #dde5e8; }
.tabs button { border: 0; background: transparent; padding: 12px 16px; color: #74808b; font-weight: 750; border-bottom: 2px solid transparent; }
.tabs button.active { color: #166d69; border-color: var(--teal); }
.tabs small { margin-left: 7px; background: #eef2f3; padding: 3px 5px; border-radius: 5px; font-size: 8px; text-transform: uppercase; }
.alert.error { margin: 18px 0 0; display: flex; flex-direction: column; gap: 3px; }
.reading-summary { background: white; border: 1px solid var(--line); border-radius: 14px; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 18px; overflow: hidden; }
.reading-summary > div { padding: 16px 18px; border-right: 1px solid var(--line); }
.reading-summary > div:last-child { border-right: 0; }
.reading-summary span, .reading-summary strong { display: block; }
.reading-summary span { color: #87939d; font-size: 10px; text-transform: uppercase; letter-spacing: .07em; font-weight: 800; }
.reading-summary strong { margin-top: 5px; font-size: 14px; }
.success-text { color: var(--success); }
.data-panel { background: white; border: 1px solid var(--line); border-radius: 16px; margin-top: 16px; overflow: hidden; }
.panel-head { display: flex; justify-content: space-between; align-items: end; gap: 15px; padding: 20px 22px; border-bottom: 1px solid var(--line); }
.panel-head h3 { margin: 5px 0 0; font-size: 19px; }
.accum-note { font-size: 11px; color: #677983; background: #f2f6f6; border-radius: 999px; padding: 7px 9px; }
.table-wrap { overflow-x: auto; }
.readings-table { width: 100%; border-collapse: collapse; min-width: 760px; }
.readings-table th { text-align: left; padding: 12px 18px; font-size: 10px; text-transform: uppercase; letter-spacing: .07em; color: #849099; background: #fafbfb; border-bottom: 1px solid var(--line); }
.readings-table td { padding: 11px 18px; border-bottom: 1px solid #edf0f1; font-size: 13px; }
.readings-table tbody tr:last-child td { border-bottom: 0; }
.readings-table tbody tr:hover { background: #fbfdfd; }
.value-cell { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-weight: 800; color: #263640; }
.accumulator-row { background: #f0fbfa; }
.accumulator-row td:first-child { color: #078b84; font-weight: 900; }
.rollover-note { margin-top: 13px; background: #eef5f6; color: #5e727d; border-radius: 12px; padding: 12px 14px; display: flex; align-items: flex-start; gap: 9px; font-size: 12px; line-height: 1.55; }
.loading-card { background: white; border: 1px solid var(--line); border-radius: 14px; padding: 28px; color: var(--muted); }
.icon-btn { border: 0; background: transparent; padding: 7px; color: inherit; display: grid; place-items: center; }
.mobile-only { display: none; }
.sidebar-overlay { display: none; }

@media (max-width: 1180px) {
  .plant-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .login-page { grid-template-columns: 1fr 430px; }
  .brand-copy h1 { font-size: 46px; }
}

@media (max-width: 860px) {
  .login-page { display: block; background: #f5f7f8; padding: 20px; }
  .login-brand { display: none; }
  .login-form-wrap { min-height: calc(100vh - 40px); padding: 24px; }
  .login-card { background: white; border-radius: 18px; padding: 28px 24px; box-shadow: var(--shadow); }
  .mobile-logo { display: block; }
  .sidebar { transform: translateX(-102%); transition: .22s ease; width: min(290px, 84vw); box-shadow: 20px 0 40px rgba(0,0,0,.20); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay { display: block; position: fixed; inset: 0; background: rgba(8,22,31,.45); z-index: 29; }
  .main-shell { margin-left: 0; }
  .mobile-only { display: grid; }
  .topbar { padding: 13px 16px; min-height: 76px; }
  .menu-btn { color: #485964; }
  .content { padding: 18px 16px 38px; }
  .hero, .plant-hero { border-radius: 15px; padding: 24px; align-items: flex-start; }
  .plant-hero { flex-direction: column; }
  .plant-actions { justify-content: flex-start; }
  .reading-summary { grid-template-columns: repeat(2, 1fr); }
  .reading-summary > div:nth-child(2) { border-right: 0; }
  .reading-summary > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 620px) {
  .mode-chip { font-size: 0; padding: 9px; }
  .mode-chip .status-dot { margin: 0; }
  .topbar-copy h1 { font-size: 17px; }
  .topbar-copy p { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 54vw; }
  .hero { flex-direction: column; align-items: stretch; }
  .hero-stat { min-width: 0; display: flex; align-items: baseline; gap: 10px; text-align: left; }
  .hero-stat strong { font-size: 30px; }
  .section-head { align-items: flex-start; flex-direction: column; gap: 6px; }
  .plant-grid { grid-template-columns: 1fr; }
  .future-panel { align-items: flex-start; flex-wrap: wrap; }
  .future-badge { margin-left: 65px; }
  .plant-actions { width: 100%; }
  .plant-actions .primary-btn, .plant-actions .secondary-btn { flex: 1 1 100%; }
  .auto-toggle { width: 100%; margin-bottom: 5px; }
  .reading-summary { grid-template-columns: 1fr 1fr; }
  .panel-head { align-items: flex-start; flex-direction: column; }
  .table-wrap { overflow: visible; }
  .readings-table { min-width: 0; display: block; }
  .readings-table thead { display: none; }
  .readings-table tbody { display: grid; gap: 10px; padding: 12px; }
  .readings-table tr { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid #e2e8ea; border-radius: 12px; padding: 10px 12px; background: white; }
  .readings-table td { border: 0; padding: 4px 0; display: block; font-size: 12px; }
  .readings-table td:nth-child(1), .readings-table td:nth-child(3) { color: #78858e; font-size: 10px; }
  .readings-table td:nth-child(2), .readings-table td:nth-child(4) { grid-column: 1 / -1; }
  .readings-table td:nth-child(4) { font-size: 15px; color: #21313c; padding-top: 2px; }
  .accumulator-row { background: #f0fbfa !important; border-color: #cce9e5 !important; }
  .rollover-note { font-size: 11px; }
}

/* ===== V2: auth, history, maintenance, users ===== */
.secure-note{margin-top:14px;background:#eef7f7;color:#557078;border-radius:10px;padding:11px 12px;display:flex;gap:8px;font-size:11px;line-height:1.5}
.status-pill.bad{background:#fff0ef;color:#a63d36}.hero-stats{display:flex;gap:10px}.hero-stats .hero-stat{min-width:110px}.filter-bar{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;gap:14px;align-items:end;margin-bottom:16px}.filter-bar label{min-width:180px;font-size:11px;font-weight:800;color:#60717b}.filter-bar select,.panel-head select{margin-top:6px;border:1px solid #d7e0e3;border-radius:9px;padding:9px 11px;background:#fff;color:#263640}
.history-panel{padding-bottom:18px}.history-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:18px 22px 0}.history-kpis>div{background:#f7fafa;border:1px solid #e1e9eb;border-radius:11px;padding:13px}.history-kpis span,.history-kpis strong{display:block}.history-kpis span{font-size:10px;text-transform:uppercase;color:#7b8991;font-weight:800;letter-spacing:.06em}.history-kpis strong{margin-top:5px;font-size:16px}.chart-wrap{padding:18px 22px}.line-chart{width:100%;height:250px;background:linear-gradient(180deg,#fbfefe,#fff);border:1px solid #e6edef;border-radius:12px}.axis{stroke:#d9e4e6;stroke-width:1}.trend-line{stroke:#00a7a1;stroke-width:3}.trend-dot{fill:#067e79}.chart-range{display:flex;justify-content:space-between;color:#72818a;font-size:11px;margin-top:7px}.chart-empty{margin:20px 22px;padding:32px;border:1px dashed #cfdadd;border-radius:12px;text-align:center;color:#7d8a92}.history-table{margin:0 22px;border-top:1px solid #edf1f2}.history-table>div{display:flex;justify-content:space-between;padding:8px 2px;border-bottom:1px solid #edf1f2;font-size:12px}.history-table span{color:#72808a}
.maintenance-form{background:#fff;border:1px solid var(--line);border-radius:16px;padding-bottom:20px;margin-bottom:18px}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;padding:18px 22px}.form-grid label{font-size:11px;font-weight:800;color:#5e6e77}.form-grid input,.form-grid select,.form-grid textarea{width:100%;margin-top:6px;border:1px solid #d8e0e3;border-radius:9px;padding:10px;background:#fff;color:#273741;font:inherit}.form-grid .wide{grid-column:1/-1}.maintenance-form>.primary-btn{margin-left:22px}.maintenance-list{display:grid;gap:12px}.maintenance-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 19px}.maintenance-title{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.maintenance-title h3{margin:4px 0 0}.maintenance-meta{display:flex;gap:18px;flex-wrap:wrap;color:#75828b;font-size:11px;margin:12px 0}.maintenance-card p{font-size:13px;color:#52636c;line-height:1.55}.file-chips{display:flex;gap:8px;flex-wrap:wrap}.file-chips button{border:1px solid #d4e5e5;background:#f2fbfa;color:#087b76;border-radius:999px;padding:7px 10px;display:flex;gap:6px;align-items:center;font-size:11px}
.inline-user-form{display:grid;grid-template-columns:1fr 1fr 160px auto;gap:10px;padding:18px 22px;border-bottom:1px solid var(--line)}.inline-user-form input,.inline-user-form select{border:1px solid #d8e0e3;border-radius:9px;padding:10px}.user-list{padding:0 22px 18px}.user-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid #edf1f2}.user-row:last-child{border-bottom:0}.user-row .grow{flex:1}.user-row .grow strong,.user-row .grow span{display:block}.user-row .grow span{color:#79868e;font-size:11px;margin-top:3px}.secondary-btn.small{min-height:34px;padding:7px 10px;font-size:11px}
@media(max-width:860px){.form-grid{grid-template-columns:1fr 1fr}.history-kpis{grid-template-columns:1fr 1fr}.inline-user-form{grid-template-columns:1fr 1fr}.inline-user-form .primary-btn{grid-column:1/-1}.filter-bar{flex-wrap:wrap}.hero-stats{width:100%}}
@media(max-width:620px){.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.history-kpis{grid-template-columns:1fr 1fr;padding:12px}.chart-wrap{padding:12px}.line-chart{height:210px}.history-table{margin:0 12px}.inline-user-form{grid-template-columns:1fr;padding:14px}.maintenance-meta{display:grid;gap:5px}.filter-bar{display:grid}.filter-bar label{min-width:0}.hero-stats{display:grid;grid-template-columns:1fr 1fr}.maintenance-form>.primary-btn{margin-left:14px}.form-grid{padding:14px}.panel-head{padding:16px}}

/* ===== V3: Hammond branding, permissions, spinner, consumption ===== */
.hammond-login-logo{width:min(520px,78%);height:auto;display:block;margin:0 0 58px;filter:drop-shadow(0 8px 18px rgba(0,0,0,.2))}
.mobile-hammond-logo{display:none;background:linear-gradient(135deg,#142c4a,#0b1d31);border-radius:14px;padding:16px 18px;margin:0 0 24px}
.mobile-hammond-logo img{width:100%;max-width:260px;display:block;margin:auto}
.sidebar-logo{width:194px;max-height:72px;object-fit:contain;object-position:left center;filter:drop-shadow(0 4px 10px rgba(0,0,0,.18))}
.sidebar-head{min-height:86px;padding-bottom:22px}
.content{padding-bottom:86px}

.powered-by{position:fixed;right:18px;bottom:14px;z-index:40;display:flex;align-items:center;gap:8px;background:rgba(18,36,55,.94);border:1px solid rgba(255,255,255,.08);box-shadow:0 8px 22px rgba(14,29,42,.18);border-radius:999px;padding:7px 11px 7px 12px;color:#c9d7df;font-size:10px;backdrop-filter:blur(10px)}
.powered-by img{height:22px;width:auto;display:block}

.global-loader{position:fixed;inset:0;background:rgba(9,25,39,.32);backdrop-filter:blur(2px);display:grid;place-items:center;z-index:9999}
.loader-card{min-width:210px;background:#fff;border:1px solid #dfe7eb;border-radius:18px;padding:24px 26px;box-shadow:0 20px 60px rgba(7,24,39,.25);display:flex;flex-direction:column;align-items:center;gap:8px;color:#203448}
.loader-card strong{margin-top:4px;font-size:14px}.loader-card span{font-size:11px;color:#71808b}
.segmented-spinner{width:48px;height:48px;position:relative;display:inline-block;vertical-align:middle;flex:0 0 auto}
.segmented-spinner span{position:absolute;left:23px;top:4px;width:4px;height:11px;border-radius:4px;background:#0879d9;transform-origin:2px 20px;transform:rotate(calc(var(--i) * 30deg));opacity:calc(.25 + (var(--i) * .055));animation:spinnerPulse 1s linear infinite;animation-delay:calc(var(--i) * -0.083s)}
@keyframes spinnerPulse{0%,100%{opacity:.18}50%{opacity:1}}
.primary-btn .segmented-spinner{width:24px;height:24px;margin-right:4px}.primary-btn .segmented-spinner span{left:11px;top:2px;width:2px;height:6px;transform-origin:1px 10px;background:#fff}
.loading-card{display:flex;align-items:center;gap:13px}.loading-card .segmented-spinner{width:34px;height:34px}.loading-card .segmented-spinner span{left:16px;top:3px;height:8px;transform-origin:2px 14px}

.consumption-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:20px}
.consumption-grid.compact{margin-top:18px}
.chart-panel{min-width:0}
.chart-card-inner{padding:14px 16px 16px}
.multi-chart{width:100%;height:280px;display:block;background:linear-gradient(180deg,#fbfdff,#fff);border-radius:10px}
.gridline{stroke:#e7edf1;stroke-width:1}.chart-axis-label{font-size:10px;fill:#7d8993}.chart-axis-title{font-size:10px;fill:#64747f;font-weight:700}
.chart-legend{display:flex;gap:14px;flex-wrap:wrap;padding:10px 6px 2px;color:#5c6d79;font-size:11px}.chart-legend span{display:flex;align-items:center;gap:6px}.chart-legend i{width:14px;height:4px;border-radius:999px;display:inline-block}
.range-chip{font-size:10px;font-weight:800;color:#61727e;background:#f1f5f7;border-radius:999px;padding:7px 9px;white-space:nowrap}

.user-create-form{border-bottom:1px solid var(--line);padding:18px 22px}.user-fields{display:grid;grid-template-columns:1fr 1fr 170px auto;gap:10px;align-items:center}.user-fields input,.user-fields select{height:44px;border:1px solid #d8e0e3;border-radius:9px;padding:0 11px;background:#fff;color:#273741}
.permission-label{display:block;margin:16px 0 9px;font-size:11px;text-transform:uppercase;letter-spacing:.07em;font-weight:850;color:#697985}
.plant-permissions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.plant-permissions label{display:flex;align-items:center;gap:8px;border:1px solid #dfe6e9;border-radius:10px;padding:10px 11px;background:#fafcfc;font-size:11px;font-weight:700;color:#42545f}.plant-permissions input{accent-color:#0b84d9;width:16px;height:16px}
.modal-backdrop{position:fixed;inset:0;background:rgba(8,23,35,.48);display:grid;place-items:center;padding:18px;z-index:9998}.user-edit-modal{width:min(720px,96vw);max-height:90vh;overflow:auto;background:white;border-radius:18px;box-shadow:0 24px 70px rgba(0,0,0,.28);padding-bottom:18px}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:19px 22px;border-bottom:1px solid var(--line)}.modal-head h3{margin:4px 0 0}.modal-actions{display:flex;justify-content:flex-end;gap:10px;padding:18px 22px 0}

.login-brand{background:radial-gradient(circle at 18% 18%,rgba(25,102,160,.28),transparent 35%),linear-gradient(140deg,#10243c 0%,#0b1a2d 62%,#101820 100%)}
.hero,.plant-hero{background:linear-gradient(115deg,#132c4d,#0b5274)}
.primary-btn{background:linear-gradient(135deg,#0a72c7,#0796b8);box-shadow:0 7px 18px rgba(8,121,195,.19)}
.card-link{background:#edf7ff;color:#0b6cae}.plant-icon{background:#edf7ff;color:#0b76c5}.nav-item.active{background:rgba(28,144,213,.18);color:#eef9ff}.eyebrow{color:#0b84d9}.eyebrow.light{color:#57c5ee}

@media(max-width:1100px){.consumption-grid{grid-template-columns:1fr}.plant-permissions{grid-template-columns:repeat(2,minmax(0,1fr))}.user-fields{grid-template-columns:1fr 1fr}.user-fields .primary-btn{grid-column:1/-1}}
@media(max-width:860px){.mobile-hammond-logo{display:block}.powered-by{right:10px;bottom:9px}.sidebar-logo{width:185px}.hammond-login-logo{margin-bottom:28px}.multi-chart{height:245px}}
@media(max-width:620px){.plant-permissions{grid-template-columns:1fr}.user-fields{grid-template-columns:1fr}.consumption-grid{gap:12px}.chart-card-inner{padding:10px 8px 12px}.multi-chart{height:225px}.chart-legend{font-size:10px}.powered-by span{display:none}.powered-by{padding:7px 9px}.powered-by img{height:20px}.login-card{padding-bottom:70px}.user-row{align-items:flex-start;flex-wrap:wrap}.user-row .grow{min-width:60%}.modal-actions{flex-direction:column}.modal-actions .primary-btn,.modal-actions .secondary-btn{width:100%}.global-loader .loader-card{min-width:190px}}

/* ===== V3.2: separación clara entre Resumen y Plantas ===== */
.summary-page{display:grid;gap:18px}
.executive-hero{margin-bottom:0}
.executive-stats{grid-template-columns:repeat(3,minmax(100px,1fr))}
.summary-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:16px}
.operation-overview,.attention-panel{min-width:0}
.summary-status-list{padding:4px 20px 10px}
.summary-status-row{width:100%;border:0;border-bottom:1px solid #edf1f3;background:transparent;display:grid;grid-template-columns:12px minmax(140px,1fr) auto 20px;gap:12px;align-items:center;padding:14px 2px;color:#263640;text-align:left;cursor:pointer}
.summary-status-row:last-child{border-bottom:0}
.summary-status-row:hover{background:#f7fafc}
.summary-status-dot{width:9px;height:9px;border-radius:50%;display:inline-block}.summary-status-dot.ok{background:#18a957}.summary-status-dot.bad{background:#e05252}.summary-status-dot.pending{background:#e6a51f}
.summary-status-name strong,.summary-status-name small{display:block}.summary-status-name small{margin-top:3px;color:#76858d;font-size:10px}.summary-status-time{font-size:11px;color:#667680;white-space:nowrap}
.summary-last-update{display:flex;justify-content:space-between;gap:16px;padding:13px 22px;border-top:1px solid var(--line);background:#f8fbfc;font-size:11px;color:#6d7b84}.summary-last-update strong{color:#273844}
.attention-list{padding:6px 20px 18px}.attention-item{display:grid;grid-template-columns:12px 1fr auto;gap:11px;align-items:center;padding:13px 0;border-bottom:1px solid #edf1f3}.attention-item:last-child{border-bottom:0}.attention-item strong,.attention-item span{display:block}.attention-item span{font-size:10px;color:#78858d;margin-top:3px}
.healthy-state{min-height:195px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;color:#62737d}.healthy-icon{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#e8f8ef;color:#169b50;font-size:23px;font-weight:900;margin-bottom:12px}.healthy-state strong{color:#274238;margin-bottom:5px}.healthy-state span{font-size:11px;max-width:260px;line-height:1.45}
.executive-head{margin:4px 0 -4px}
.executive-kpis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.executive-kpi{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px;box-shadow:0 6px 18px rgba(31,52,66,.04)}.executive-kpi .kpi-label{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#6f7f88;font-weight:850}.executive-kpi strong{display:block;font-size:26px;color:#15304a;margin:9px 0 6px}.executive-kpi small{color:#7b8990;font-size:10px}
.plants-page{display:grid;gap:18px}.plants-intro{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px 25px}.plants-intro h2{margin:5px 0 7px}.plants-intro p{margin:0;color:#65757f;max-width:760px;line-height:1.5;font-size:12px}.plants-intro-meta{min-width:125px;text-align:right}.plants-intro-meta strong,.plants-intro-meta span{display:block}.plants-intro-meta strong{font-size:30px;color:#0b72bd}.plants-intro-meta span{font-size:10px;color:#76858d;text-transform:uppercase;font-weight:800;letter-spacing:.06em}.plants-grid-focused{margin-top:0}.plants-help{display:flex;align-items:center;gap:9px;color:#687984;font-size:11px;background:#f7fafb;border:1px solid #dfe8eb;border-radius:12px;padding:11px 14px}
@media(max-width:980px){.summary-grid{grid-template-columns:1fr}.executive-kpis{grid-template-columns:1fr}.executive-stats{grid-template-columns:repeat(3,1fr)}}
@media(max-width:620px){.executive-stats{grid-template-columns:1fr 1fr}.executive-stats .hero-stat:last-child{grid-column:1/-1}.summary-status-row{grid-template-columns:10px 1fr 18px}.summary-status-time{display:none}.plants-intro{align-items:flex-start;flex-direction:column}.plants-intro-meta{text-align:left}.executive-kpi strong{font-size:22px}}

/* V3.2 · navegación consistente */
.sidebar-brand-button{border:0;background:transparent;padding:0;margin:0;display:block;cursor:pointer;border-radius:10px}
.sidebar-brand-button:focus-visible{outline:2px solid #33b9e8;outline-offset:4px}
.page-nav{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.page-nav .back-link{margin-bottom:0;cursor:pointer}
.page-nav .home-link{color:#0b72bd}
.page-nav .back-link:hover{text-decoration:underline}
@media(max-width:620px){.page-nav{gap:10px}.page-nav .back-link{font-size:12px}}

/* V3.3 · mejora visual de gráficas históricas */
.chart-description{margin:5px 0 0;max-width:560px;color:#73828b;font-size:10.5px;line-height:1.45;font-weight:500}
.chart-plot-wrap{background:linear-gradient(180deg,#fbfdff 0%,#f7fbfd 100%);border:1px solid #e7eef2;border-radius:13px;padding:4px 4px 0;overflow:hidden}
.multi-chart{height:320px;background:transparent;border-radius:10px}
.gridline.vertical{stroke:#eef3f5;stroke-dasharray:4 5}
.chart-axis-label{font-size:10px;fill:#697a85;font-weight:600}
.chart-time-label{font-size:9.5px;fill:#71818a;font-weight:600}
.chart-axis-title{font-size:10px;fill:#536772;font-weight:800;letter-spacing:.02em}
.chart-line{filter:drop-shadow(0 2px 2px rgba(8,121,217,.10))}
.chart-point{transition:r .15s ease}.chart-point.latest{filter:drop-shadow(0 2px 4px rgba(8,121,217,.25))}
.chart-insights{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:10px}
.chart-insights>div{border:1px solid #e3eaee;border-radius:10px;background:#f8fbfc;padding:9px 11px;min-width:0}
.chart-insights span,.chart-insights strong{display:block}.chart-insights span{font-size:8.5px;text-transform:uppercase;letter-spacing:.065em;color:#7b8991;font-weight:850}.chart-insights strong{margin-top:4px;color:#223746;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chart-insights .trend-up{color:#158858}.chart-insights .trend-down{color:#c34a4a}
.chart-card-inner .chart-legend{padding-top:9px}.chart-card-inner .chart-legend i{height:3px}
@media(max-width:860px){.multi-chart{height:290px}.chart-insights{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.multi-chart{height:260px}.chart-insights{grid-template-columns:1fr 1fr}.chart-description{font-size:10px}}