/* Energy Insight — light enterprise theme following the dashboard mockup */
:root {
  --bg: #f3f6fb;
  --card: #ffffff;
  --border: #e6ebf2;
  --text: #0f1b2d;
  --text-2: #4a5872;
  --muted: #8592a8;
  --primary: #1f6feb;
  --primary-600: #175fd1;
  --primary-50: #eaf2ff;
  --nav-1: #0d1b3a;
  --nav-2: #0a1530;
  --nav-text: #c9d4ea;
  --success: #16a34a;
  --success-50: #e7f7ec;
  --warning: #d97706;
  --warning-50: #fff4e0;
  --danger: #dc2626;
  --danger-50: #fdecec;
  --violet: #8b5cf6;
  --teal: #0ea5a4;
  --orange: #f59e0b;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 33, 64, .04), 0 4px 16px rgba(16, 33, 64, .05);
  --sidebar-w: 236px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px; line-height: 1.5; color: var(--text); background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; line-height: 1.25; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
.icon { width: 18px; height: 18px; flex: none; }

/* ---------- Shell ---------- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w); flex: none; position: fixed; inset: 0 auto 0 0; z-index: 40;
  background: linear-gradient(180deg, var(--nav-1), var(--nav-2)); color: var(--nav-text);
  display: flex; flex-direction: column; padding: 18px 14px; overflow-y: auto;
  transition: transform .2s ease;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 2px 4px 22px; color: #fff; }
.brand-logo {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, #2f80ff, #1659d6); box-shadow: 0 6px 16px rgba(31, 111, 235, .45);
}
.brand-logo .icon { width: 24px; height: 24px; fill: #fff; stroke: #fff; }
.brand-name { font-size: 18px; font-weight: 700; letter-spacing: -.01em; }
.brand-sub { font-size: 11px; color: #9fb0d0; }
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav a {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px;
  color: var(--nav-text); font-weight: 500; text-decoration: none; transition: background .15s;
}
.nav a:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.nav a.active { background: linear-gradient(90deg, #2f80ff, #1f6feb); color: #fff; box-shadow: 0 6px 16px rgba(31, 111, 235, .35); }
.nav .soon { margin-left: auto; font-size: 10px; padding: 1px 6px; border-radius: 99px; background: rgba(255,255,255,.08); color: #9fb0d0; }
.home-card {
  margin-top: 22px; padding: 12px; border-radius: 12px; background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .06); display: flex; gap: 10px; align-items: center;
}
.home-card .avatar-home { width: 42px; height: 42px; border-radius: 10px; background: rgba(47,128,255,.18); display: grid; place-items: center; color: #8fb6ff; }
.home-card .t { color: #fff; font-weight: 600; font-size: 13px; }
.home-card .s { font-size: 11px; color: #9fb0d0; }
.sidebar-foot { margin-top: auto; padding-top: 16px; }
.user-card { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 12px; background: rgba(255,255,255,.04); }
.user-avatar { width: 36px; height: 36px; border-radius: 50%; background: #2f80ff; color: #fff; display: grid; place-items: center; font-weight: 700; }
.user-card .t { color: #fff; font-weight: 600; font-size: 13px; }
.user-card .s { font-size: 11px; color: #9fb0d0; }
.user-card form { margin-left: auto; }
.user-card button { background: none; border: 0; color: #9fb0d0; cursor: pointer; padding: 6px; border-radius: 8px; }
.user-card button:hover { color: #fff; background: rgba(255,255,255,.08); }

.main { flex: 1; margin-left: var(--sidebar-w); min-width: 0; padding: 18px 26px 32px; }
.topbar { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.topbar h1 { font-size: 26px; font-weight: 700; letter-spacing: -.02em; }
.topbar .sub { color: var(--text-2); margin-top: 2px; }
.topbar .spacer { flex: 1; }
.chip {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 14px; border-radius: 12px;
  background: var(--card); border: 1px solid var(--border); font-size: 13px; color: var(--text);
}
.chip .s { font-size: 11.5px; color: var(--text-2); }
.chip.ok { background: var(--success-50); border-color: #cdebd6; }
.chip.ok .icon { color: var(--success); }
.chip.bad { background: var(--danger-50); border-color: #f6caca; }
.chip.bad .icon { color: var(--danger); }
.chip.warn { background: var(--warning-50); border-color: #f5dcae; }
.chip.warn .icon { color: var(--warning); }
.menu-btn { display: none; background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 8px; cursor: pointer; color: var(--text); }
.scrim { display: none; }

/* ---------- Cards & grid ---------- */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-pad { padding: 18px 20px; }
.card-head { display: flex; align-items: center; gap: 12px; padding: 16px 20px 0; flex-wrap: wrap; }
.card-head h2 { font-size: 16px; font-weight: 700; }
.card-head .sub { font-size: 12.5px; color: var(--text-2); }
.card-head .actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.card-body { padding: 16px 20px 20px; }
.grid { display: grid; gap: 16px; }
.grid-kpi { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-main { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.stack { display: flex; flex-direction: column; gap: 16px; }
.mt { margin-top: 16px; }

.head-icon { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--primary-50); color: var(--primary); flex: none; }

/* KPI tiles */
.kpi { padding: 16px; display: flex; gap: 12px; align-items: flex-start; min-height: 108px; }
.kpi-icon { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; color: #fff; flex: none; }
.kpi-icon .icon { width: 20px; height: 20px; }
.kpi .label { font-size: 12.5px; color: var(--text-2); font-weight: 500; }
.kpi .value { font-size: 26px; font-weight: 700; letter-spacing: -.02em; margin: 2px 0; white-space: nowrap; }
.kpi .value small { font-size: 16px; font-weight: 600; }
.kpi .value.empty { color: var(--muted); font-size: 20px; }
.kpi .meta { font-size: 11.5px; color: var(--muted); }
.bg-blue { background: linear-gradient(135deg, #3b8bff, #1f6feb); }
.bg-green { background: linear-gradient(135deg, #34d07a, #16a34a); }
.bg-orange { background: linear-gradient(135deg, #fbbf24, #f59e0b); }
.bg-violet { background: linear-gradient(135deg, #a78bfa, #8b5cf6); }
.bg-teal { background: linear-gradient(135deg, #2dd4bf, #0ea5a4); }
.bg-amber { background: linear-gradient(135deg, #fcd34d, #f59e0b); }

/* Badges */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 99px; font-size: 11.5px; font-weight: 600; white-space: nowrap; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.plain::before { display: none; }
.badge.success { color: var(--success); background: var(--success-50); }
.badge.danger { color: var(--danger); background: var(--danger-50); }
.badge.warning { color: var(--warning); background: var(--warning-50); }
.badge.muted { color: var(--text-2); background: #eef1f6; }
.badge.info { color: var(--primary); background: var(--primary-50); }

/* Alerts */
.alert { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: 12px; border: 1px solid; margin-bottom: 14px; font-size: 13.5px; }
.alert .icon { margin-top: 1px; }
.alert.success { background: var(--success-50); border-color: #cdebd6; color: #14532d; }
.alert.error { background: var(--danger-50); border-color: #f6caca; color: #7f1d1d; }
.alert.warning { background: var(--warning-50); border-color: #f5dcae; color: #7c3a03; }
.alert.info { background: var(--primary-50); border-color: #cfe0ff; color: #12366f; }
.alert b { font-weight: 600; }

/* Tables */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { text-align: left; font-weight: 600; color: var(--text-2); font-size: 12px; padding: 9px 12px; background: #f7f9fc; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table tr:hover td { background: #fafbfe; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.kv { width: 100%; border-collapse: collapse; font-size: 13px; }
.kv td { padding: 7px 10px; border-bottom: 1px solid var(--border); }
.kv td:first-child { color: var(--text-2); }
.kv td:last-child { text-align: right; font-weight: 600; }
.kv tr:last-child td { border-bottom: 0; }

/* Forms */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 18px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--text-2); margin-bottom: 5px; }
.field .hint { font-size: 11.5px; color: var(--muted); margin-top: 4px; }
.field .err { font-size: 12px; color: var(--danger); margin-top: 4px; }
.input, select.input, textarea.input {
  width: 100%; padding: 9px 12px; border: 1px solid #d6deea; border-radius: 10px; background: #fff;
  font: inherit; color: var(--text); transition: border-color .15s, box-shadow .15s;
}
.input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(31, 111, 235, .15); }
.input.sm { padding: 6px 8px; font-size: 13px; border-radius: 8px; }
.input.has-err { border-color: var(--danger); }
textarea.input { min-height: 80px; resize: vertical; }
.check { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--primary); }

.btn {
  display: inline-flex; align-items: center; gap: 7px; padding: 8px 14px; border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-weight: 600; font-size: 13px; cursor: pointer; text-decoration: none !important; white-space: nowrap;
  transition: background .15s, border-color .15s;
}
.btn .icon { width: 16px; height: 16px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-600); }
.btn-light { background: #fff; border-color: var(--border); color: var(--text); }
.btn-light:hover { background: #f5f7fb; }
.btn-danger { background: #fff; border-color: #f3c4c4; color: var(--danger); }
.btn-danger:hover { background: var(--danger-50); }
.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 8px; }
.btn[disabled] { opacity: .6; cursor: not-allowed; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; overflow-x: auto; }
.tabs a { padding: 9px 14px; color: var(--text-2); font-weight: 600; border-bottom: 2px solid transparent; white-space: nowrap; text-decoration: none; }
.tabs a.active { color: var(--primary); border-color: var(--primary); }

.muted { color: var(--muted); }
.text-2 { color: var(--text-2); }
.small { font-size: 12px; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.empty-state { text-align: center; padding: 36px 16px; color: var(--text-2); }
.empty-state .head-icon { margin: 0 auto 12px; width: 52px; height: 52px; border-radius: 14px; }
.empty-state .head-icon .icon { width: 26px; height: 26px; }
.empty-state h3 { font-size: 16px; color: var(--text); margin-bottom: 6px; }
.token-box { padding: 12px 14px; background: #0f1b2d; color: #e6edf9; border-radius: 10px; word-break: break-all; font-family: ui-monospace, Menlo, monospace; font-size: 13px; }
pre.code { background: #0f1b2d; color: #dbe5f6; padding: 12px 14px; border-radius: 10px; overflow-x: auto; font-size: 12.5px; margin: 0; }
.dps-chip { display: inline-block; padding: 2px 8px; border-radius: 6px; background: #eef2f8; font-family: ui-monospace, Menlo, monospace; font-size: 12px; margin: 2px; }
.activity { list-style: none; margin: 0; padding: 0; }
.activity li { display: flex; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--border); }
.activity li:last-child { border-bottom: 0; }
.activity .dot { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; flex: none; }
.activity .t { font-weight: 600; font-size: 13px; }
.activity .s { font-size: 11.5px; color: var(--muted); }

/* Guest/login */
.guest { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; background: radial-gradient(1200px 600px at 20% -10%, #dfeaff, transparent), var(--bg); }
.login-card { width: 100%; max-width: 400px; padding: 30px 28px; }
.login-card .brand { color: var(--text); justify-content: center; padding-bottom: 18px; }
.login-card .brand-sub { color: var(--text-2); }

/* ---------- Responsive ---------- */
@media (max-width: 1400px) { .grid-kpi { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 1100px) {
  .grid-main, .grid-3 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); box-shadow: 0 0 40px rgba(0,0,0,.3); }
  body.nav-open .sidebar { transform: none; }
  body.nav-open .scrim { display: block; position: fixed; inset: 0; background: rgba(10, 21, 48, .45); z-index: 30; }
  .main { margin-left: 0; padding: 14px 16px 28px; }
  .menu-btn { display: inline-flex; }
  .grid-2, .form-grid { grid-template-columns: minmax(0, 1fr); }
  .topbar h1 { font-size: 21px; }
  .topbar .chip.hide-sm { display: none; }
}
@media (max-width: 560px) {
  .grid-kpi { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi { flex-direction: column; min-height: 0; }
  .kpi .value { font-size: 21px; }
}