/* SolarIQ Design System — shared by every dashboard page.
 *
 * Tokens lifted verbatim from design/design_files/colors_and_type.css.
 * Layout primitives lifted from design/design_files/dashboard.css.
 *
 * Legacy class names (.shell, .card, .chart-panel, .ghost-btn, etc.)
 * are kept and re-skinned so the existing HTML continues to work as
 * the sidebar shell is rolled out. */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('fonts/InterVariable.woff2') format('woff2-variations');
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url('fonts/JetBrainsMono-Variable.woff2') format('woff2-variations');
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* ── SolarIQ tokens ───────────────────────────────────── */
  --primary:        #f54e00;
  --primary-active: #d04200;
  --on-primary:     #ffffff;

  --canvas:        #f7f7f4;
  --canvas-soft:   #fafaf7;
  --surface-card:  #ffffff;
  --surface-strong:#e6e5e0;

  --hairline:        #e6e5e0;
  --hairline-soft:   #efeee8;
  --hairline-strong: #cfcdc4;

  --ink:         #26251e;
  --body:        #5a5852;
  --muted:       #807d72;
  --muted-soft:  #a09c92;

  --action-charge:       #dfa88f;
  --action-solar-charge: #9fc9a2;
  --action-discharge:    #c0a8dd;
  --action-solar-sell:   #e9c668;
  --action-reduce-power: #9fbbe0;
  --action-full-power:   #f54e00;

  --semantic-success: #1f8a65;
  --semantic-error:   #cf2d56;

  /* Radii */
  --rounded-xs:   4px;
  --rounded-sm:   6px;
  --rounded-md:   8px;
  --rounded-lg:   12px;
  --rounded-pill: 9999px;

  /* Motion */
  --t-fast: 0.15s;

  /* Typography */
  --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --fs-display-sm:   22px;
  --fs-body:         16px;
  --fs-body-sm:      14px;
  --fs-caption:      13px;
  --fs-caption-upper:11px;
  --fw-regular:    400;
  --fw-medium:     500;
  --fw-semibold:   600;
  --ls-display-sm:    -0.11px;
  --ls-caption-upper:  0.88px;

  /* ── Back-compat aliases (old class names keep working) ─── */
  --bg:        var(--canvas);
  --surface:   var(--surface-card);
  --surface-2: var(--canvas-soft);
  --border:    var(--hairline);
  --border-strong: var(--hairline-strong);
  --text:        var(--ink);
  --text-dim:    var(--muted);
  --text-muted:  var(--muted-soft);
  --accent:      var(--primary);
  --accent-dim:  rgba(245, 78, 0, 0.12);
  --yellow:      var(--action-charge);
  --green:       var(--action-solar-charge);
  --red:         var(--semantic-error);
  --blue:        var(--action-reduce-power);
  --radius:      var(--rounded-lg);
  --radius-sm:   var(--rounded-md);
}

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font-sans);
  background: var(--canvas);
  color: var(--ink);
  min-height: 100vh;
  font-size: 15px;
}
button { font-family: inherit; }
a { color: inherit; text-decoration: none; }

/* ─────────────────────────────────────────────────────────────
 * SolarIQ shell — sidebar + main column.
 * Used by dashboard/plan.html, compare.html, admin.html, live/, overview.html.
 * ───────────────────────────────────────────────────────────── */

.os-app {
  display: grid;
  grid-template-columns: 264px 1fr;
  min-height: 100vh;
}

.os-side {
  background: var(--canvas);
  border-right: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  padding: 24px 18px;
  gap: 8px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.os-side-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 6px 18px;
  border-bottom: 1px solid var(--hairline-soft);
  margin-bottom: 14px;
  /* Rendered as <a href="marketingUrl()"> so the logo links back to the
   * marketing site. Strip default link styling so the wordmark stays
   * on-brand, and give it a gentle hover + focus ring for affordance. */
  text-decoration: none;
  color: inherit;
  transition: opacity 120ms ease;
}
.os-side-brand:hover { opacity: 0.78; }
.os-side-brand:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  border-radius: 4px;
}
.os-side-mark {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink);
}
.os-side-word {
  font-size: var(--fs-display-sm);
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-display-sm);
  color: var(--ink);
  line-height: 1;
}
/* "IQ" accent — primary orange to echo the wordmark.svg. */
.os-side-iq { color: var(--primary); }
.os-side-label {
  font-size: 10px;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-caption-upper);
  color: var(--muted-soft);
  padding: 14px 6px 4px;
}
.os-nav { display: flex; flex-direction: column; gap: 1px; }
.os-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px;
  border-radius: var(--rounded-md);
  font-size: var(--fs-body-sm);
  color: var(--body);
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  text-align: left;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.os-nav-item:hover {
  background: var(--surface-card);
  color: var(--ink);
  border-color: var(--hairline);
}
.os-nav-item.is-active {
  background: var(--surface-card);
  color: var(--ink);
  border-color: var(--hairline-strong);
}
.os-nav-icon { width: 16px; height: 16px; flex-shrink: 0; color: var(--muted); }
.os-nav-item.is-active .os-nav-icon { color: var(--ink); }
.os-nav-tag {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted-soft);
  background: var(--surface-strong);
  padding: 2px 6px;
  border-radius: var(--rounded-xs);
}
.os-side-spacer { flex: 1; }

.os-side-pick,
.os-side-daypick,
.os-side-plantpick {
  border-top: 1px solid var(--hairline-soft);
  padding-top: 14px;
  margin-top: 12px;
  display: flex; flex-direction: column; gap: 8px;
}
.os-side-plantpick { border-top: none; padding-top: 0; margin-top: 0; }
.os-side-pick select,
.os-side-daypick select,
.os-side-plantpick select {
  width: 100%;
  appearance: none;
  background-color: var(--surface-card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  padding: 9px 30px 9px 12px;
  border-radius: var(--rounded-md);
  font-family: inherit;
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23807d72' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  transition: border-color var(--t-fast);
}
.os-side-pick select:hover,
.os-side-daypick select:hover,
.os-side-plantpick select:hover { border-color: var(--ink); }
.os-side-pick select:focus,
.os-side-daypick select:focus,
.os-side-plantpick select:focus { outline: none; border-color: var(--primary); }

.os-lang-toggle {
  display: inline-flex;
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-md);
  padding: 2px;
  gap: 2px;
  margin-bottom: 12px;
  width: max-content;
}
.os-lang-btn {
  background: transparent;
  border: 0;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.04em;
  color: var(--muted);
  border-radius: var(--rounded-sm);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
}
.os-lang-btn:hover { color: var(--ink); }
.os-lang-btn.is-active {
  background: var(--surface-card);
  color: var(--ink);
  border: 1px solid var(--hairline);
}

.os-acc-wrap {
  position: relative;
  margin-top: 8px;
}
.os-side-account {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 10px;
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-md);
  background: var(--surface-card);
  cursor: pointer;
  transition: border-color var(--t-fast);
  width: 100%;
  text-align: left;
  font-family: inherit;
}
.os-side-account:hover { border-color: var(--hairline-strong); }
.os-side-account[aria-expanded="true"] { border-color: var(--hairline-strong); }
.os-side-account[aria-expanded="true"] .os-acc-chev { transform: rotate(180deg); }
.os-acc-chev { transition: transform var(--t-fast); }

.os-acc-menu {
  position: absolute;
  left: 0; right: 0;
  bottom: calc(100% + 6px);
  background: var(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--rounded-md);
  padding: 4px;
  z-index: 20;
  display: flex; flex-direction: column;
  gap: 1px;
}
.os-acc-menu[hidden] { display: none; }
.os-acc-menu-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px;
  border-radius: var(--rounded-sm);
  font-family: inherit;
  font-size: var(--fs-body-sm);
  color: var(--body);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  text-decoration: none;
  transition: background var(--t-fast), color var(--t-fast);
}
.os-acc-menu-item:hover {
  background: var(--canvas-soft);
  color: var(--ink);
}
.os-acc-menu-icon {
  width: 14px; height: 14px; flex-shrink: 0;
  color: var(--muted);
}
.os-acc-menu-item:hover .os-acc-menu-icon { color: var(--ink); }
.os-acc-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--canvas);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: var(--fw-semibold);
  font-family: var(--font-mono);
}
.os-acc-text { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.os-acc-name { font-size: 12.5px; font-weight: var(--fw-semibold); color: var(--ink); line-height: 1.2; }
.os-acc-site {
  font-size: 11px; color: var(--muted); line-height: 1.2;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.os-acc-chev { margin-left: auto; color: var(--muted-soft); width: 14px; height: 14px; }

/* Main column */
.os-main { display: flex; flex-direction: column; min-width: 0; }

/* Topbar */
.os-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px;
  padding: 22px 32px 18px;
  border-bottom: 1px solid var(--hairline);
}
.os-top-left { display: flex; align-items: center; gap: 18px; min-width: 0; }
.os-top-title-block { display: flex; flex-direction: column; gap: 4px; }
.os-top-eyebrow {
  font-size: 10px;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-caption-upper);
  color: var(--muted-soft);
}
.os-top-title {
  font-size: 22px;
  font-weight: var(--fw-regular);
  letter-spacing: -0.42px;
  color: var(--ink);
  line-height: 1.15;
  display: flex; align-items: center; gap: 10px;
}
.os-top-title .os-now-time,
.os-top-title .os-chip {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  padding: 3px 8px;
  border-radius: var(--rounded-xs);
  letter-spacing: 0.04em;
  font-weight: var(--fw-medium);
}
.os-spark { width: 220px; height: 38px; margin-left: 8px; }
.os-top-right { display: flex; align-items: center; gap: 8px; }

/* Status pills */
.os-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 11px 7px 9px;
  border-radius: var(--rounded-pill);
  border: 1px solid var(--hairline);
  background: var(--surface-card);
  font-size: 11.5px;
  color: var(--ink);
  font-weight: var(--fw-medium);
  font-variant-numeric: tabular-nums;
  transition: border-color var(--t-fast);
}
.os-pill:hover { border-color: var(--hairline-strong); }
.os-pill-dot { width: 8px; height: 8px; border-radius: 50%; position: relative; }
.os-pill-dot::after {
  content: ""; position: absolute; inset: -4px;
  border-radius: 50%; background: inherit;
  opacity: 0.25;
  animation: os-pulse 2.4s ease-out infinite;
}
@keyframes os-pulse {
  0%   { transform: scale(0.6); opacity: 0.35; }
  80%  { transform: scale(1.7); opacity: 0; }
  100% { transform: scale(1.7); opacity: 0; }
}
.os-pill-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: var(--fw-medium);
}

.os-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-md);
  padding: 7px 12px;
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  cursor: pointer;
  height: 36px;
  transition: border-color var(--t-fast), color var(--t-fast);
  text-decoration: none;
  display: inline-flex; align-items: center;
}
.os-ghost:hover { border-color: var(--hairline-strong); color: var(--ink); }

.os-cta {
  appearance: none;
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  font-family: inherit;
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  padding: 9px 14px;
  border-radius: var(--rounded-md);
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  transition: filter var(--t-fast), background var(--t-fast);
  height: 36px;
}
.os-cta:hover { filter: brightness(0.97); }
.os-cta:active { background: var(--primary-active); }

/* Page content area (under the topbar) */
.os-page {
  padding: 24px 32px 32px;
  flex: 1;
  min-width: 0;
}

/* ─────────────────────────────────────────────────────────────
 * Legacy classes — re-skinned to the SolarIQ palette.
 * Used by index.html (cards + charts-grid + chart-panel) and the
 * inline styles in admin / login / compare.
 * ───────────────────────────────────────────────────────────── */

/* The legacy `.shell` becomes a no-op inside `.os-page`. */
.os-page .shell { max-width: 100%; margin: 0; padding: 0; }

/* Stand-alone pages (login) still use .shell directly. */
.shell {
  max-width: 1360px;
  margin: 0 auto;
  padding: 2rem 2.5rem 1.5rem;
}

/* The legacy page <header> is hidden when the SolarIQ topbar is in
   use; we already render eyebrow / title / actions through .os-top. */
.os-page > header { display: none; }

.logo {
  color: var(--ink);
  display: flex; align-items: center;
}

h1 {
  font-size: var(--fs-display-sm);
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-display-sm);
  color: var(--ink);
}
.subtitle {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: 1.1rem 1.25rem;
  display: flex; flex-direction: column;
  gap: 0.3rem;
  transition: border-color var(--t-fast);
}
.card:hover { border-color: var(--hairline-strong); }
.card--profit {
  border-color: var(--hairline);
  background: var(--surface-card);
}
.card-label {
  font-size: 0.7rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.card-value {
  font-size: 1.5rem;
  font-weight: var(--fw-regular);
  letter-spacing: -0.3px;
  color: var(--ink);
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
}
.card--profit .card-value { color: var(--ink); }
.card-unit {
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: var(--fw-medium);
}

/* Charts */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.chart-panel {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: 1.25rem 1.25rem 0.85rem;
  transition: border-color var(--t-fast);
}
.chart-panel:hover { border-color: var(--hairline-strong); }
.chart-title {
  font-size: var(--fs-caption-upper);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-caption-upper);
  color: var(--muted);
  margin-bottom: 0.85rem;
}
.chart-sub, .chart-unit {
  font-weight: var(--fw-medium);
  text-transform: none;
  letter-spacing: 0;
  color: var(--muted-soft);
  margin-left: 0.45rem;
  font-size: var(--fs-caption);
}
.chart-panel--wide { grid-column: 1 / -1; }
.chart-wrap { position: relative; height: 280px; }
.chart-wrap canvas { width: 100% !important; height: 100% !important; }

/* Footer */
footer {
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--hairline);
  font-size: 0.72rem;
  color: var(--muted-soft);
}

/* Buttons (legacy) */
.day-picker select {
  appearance: none;
  background-color: var(--surface-card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  padding: 0.5rem 2rem 0.5rem 0.85rem;
  border-radius: var(--rounded-md);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: border-color var(--t-fast);
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23807d72' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
}
.day-picker select:hover { border-color: var(--ink); }
.day-picker select:focus { outline: none; border-color: var(--primary); }

.ghost-btn {
  appearance: none;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-md);
  padding: 0.5rem 0.85rem;
  font-family: inherit;
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast);
  text-decoration: none;
  display: inline-flex; align-items: center;
}
.ghost-btn:hover { border-color: var(--hairline-strong); color: var(--ink); }
.ghost-btn:focus {
  outline: none;
  border-color: var(--primary);
}

.primary-btn {
  display: inline-block;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: var(--fw-medium);
  font-size: 0.9rem;
  padding: 0.65rem 1.2rem;
  border: none;
  border-radius: var(--rounded-md);
  cursor: pointer;
  text-decoration: none;
  transition: filter var(--t-fast), background var(--t-fast);
}
.primary-btn:hover:not(:disabled) { filter: brightness(0.97); }
.primary-btn:active { background: var(--primary-active); }
.primary-btn:disabled { opacity: 0.6; cursor: progress; }

/* Empty-state hero */
.empty-hero {
  margin: 4rem auto;
  max-width: 560px;
  padding: 2.5rem 2rem;
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  text-align: center;
}
.empty-hero h2 {
  font-size: var(--fs-display-sm);
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-display-sm);
  color: var(--ink);
  margin-bottom: 0.85rem;
}
.empty-hero p {
  color: var(--body);
  line-height: 1.55;
  margin-bottom: 1.5rem;
}
.empty-hero__actions {
  display: flex; gap: 0.85rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.empty-hero__note {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0;
}

/* Responsive */
@media (max-width: 1100px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 980px) {
  .os-app { grid-template-columns: 220px 1fr; }
}
@media (max-width: 900px) {
  .shell { padding: 1.25rem 1rem 1rem; }
  .os-page { padding: 16px 18px 24px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .charts-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  /* Mobile: sidebar becomes an off-canvas drawer; collapse the grid
     so .os-main takes the full viewport width. */
  .os-app { grid-template-columns: 1fr; }
  .os-side {
    position: fixed;
    top: 0; left: 0;
    width: min(280px, 86vw);
    height: 100dvh;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    border-right: 1px solid var(--hairline);
    box-shadow: 0 8px 32px rgba(38, 37, 30, 0.16);
  }
  .os-app.is-sidebar-open .os-side { transform: translateX(0); }

  .os-side-backdrop {
    position: fixed; inset: 0;
    background: rgba(38, 37, 30, 0.30);
    z-index: 49;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
  }
  .os-app.is-sidebar-open .os-side-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .os-burger {
    position: fixed;
    top: 12px; left: 12px;
    z-index: 51;
    width: 40px; height: 40px;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--rounded-md);
    box-shadow: 0 2px 8px rgba(38, 37, 30, 0.08);
    cursor: pointer;
    padding: 0;
  }
  .os-burger:hover { border-color: var(--ink); }
  .os-burger-ico { width: 22px; height: 22px; }
  /* Push the topbar over so the burger doesn't overlap the title. */
  .os-top { padding: 14px 18px 14px 64px; flex-wrap: wrap; }
  .os-spark { display: none; }
}
/* Desktop: hide the burger + backdrop entirely. */
@media (min-width: 721px) {
  .os-burger,
  .os-side-backdrop { display: none; }
}
@media (max-width: 500px) {
  .cards { grid-template-columns: 1fr; }
}