/* SPDX-FileCopyrightText: 2025 Caspar Water Company */
/*                                                      */
/* SPDX-License-Identifier: Apache-2.0                  */

/* DuckPond sitegen -- light ocean/meadow theme */

:root {
  --sidebar-width: 260px;
  --max-width: 960px;

  /* Spacing: shared inset keeps sidebar and content top-aligned */
  --page-inset: 2.5rem;

  /* Radii: shared between nav buttons, cards, and containers */
  --radius: 8px;
  --radius-sm: 4px;

  /* Palette: ocean blue + coastal green */
  --accent: #0c4a6e;
  --accent-light: #0284c7;
  --accent-wash: #e0f2fe;
  --green: #059669;
  --green-wash: #ecfdf5;

  /* Sidebar nav buttons */
  --nav-btn: rgba(50, 250, 200, 0.965);
  --nav-btn-hover: rgba(224, 224, 224, 0.965);
  --nav-btn-active: rgba(140, 130, 120, 0.9);
  --nav-sub-btn: rgba(50, 250, 200, 0.55);
  --nav-sub-btn-hover: rgba(200, 200, 200, 0.8);
  --nav-sub-btn-active: rgba(160, 150, 140, 0.85);

  /* Surfaces */
  --bg: #f7f6f3;
  --bg-sidebar: #f0f7ff;
  --bg-card: #f8fafc;
  --bg-hover: #f1f5f9;

  /* Text */
  --fg: #1e293b;
  --fg-secondary: #475569;
  --fg-muted: #94a3b8;

  /* Borders */
  --border: #e2e8f0;
  --border-light: #f1f5f9;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Spline Sans Mono", ui-monospace, Menlo, Consolas, monospace;
}

/* ── Reset ──────────────────────────────────────────────────── */

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

html {
  font: 16px/1.7 var(--font-sans);
  background: var(--bg);
  background-image: var(--bg-image, none);
  background-repeat: repeat;
  background-size: 1500px auto;
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0; padding: 0;
}

body {
  margin: 0;
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
}

a { color: var(--accent-light); }
a:hover { color: var(--accent); }

/* ── Sidebar ────────────────────────────────────────────────── */

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: transparent;
  padding: var(--page-inset) 1.25rem;
  overflow-y: auto;
  z-index: 100;
}

.sidebar h2 {
  font-size: 1rem;
  font-weight: 700;
  padding: 0 0.5rem;
  margin: 0 0 1rem;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.sidebar h2 a {
  color: inherit;
  text-decoration: none;
}

.sidebar h3 {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  padding: 0.75rem 0.5rem 0.35rem;
  margin: 0;
}

.sidebar ul {
  list-style: none;
  margin: 0; padding: 0;
}

.sidebar li {
  margin-bottom: 6px;
}

.sidebar a {
  display: block;
  padding: 0.75rem 1rem;
  background: var(--nav-btn);
  color: var(--fg);
  text-decoration: none;
  font-size: 1.3rem;
  font-weight: 400;
  border-radius: var(--radius);
  transition: background 0.2s;
}

.sidebar a:hover {
  background: var(--nav-btn-hover);
}

.sidebar li.active a {
  background: var(--nav-btn-active);
  color: #ffffff;
  font-weight: 700;
}

/* Section heading (parent for grouped sub-navigation) */
.sidebar .nav-heading {
  display: block;
  padding: 0.75rem 1rem;
  background: var(--nav-btn);
  color: var(--fg);
  text-decoration: none;
  font-size: 1.3rem;
  font-weight: 400;
  border-radius: var(--radius);
  transition: background 0.2s;
}

.sidebar .nav-heading:hover {
  background: var(--nav-btn-hover);
}

.sidebar li.active > .nav-heading {
  background: var(--nav-btn-active);
  color: #ffffff;
  font-weight: 700;
}

/* ── Sub-navigation (nested under sidebar entries) ─────────── */

.sidebar .subnav {
  display: none;
  margin: 4px 0 0 0;
  padding: 0;
}

.sidebar .subnav.expanded {
  display: block;
}

.sidebar .subnav li {
  margin-bottom: 3px;
}

.sidebar .subnav a {
  font-size: 0.85rem;
  padding: 0.4rem 0.75rem 0.4rem 1.25rem;
  background: var(--nav-sub-btn);
  border-radius: var(--radius-sm);
}

.sidebar .subnav a:hover {
  background: var(--nav-sub-btn-hover);
}

.sidebar .subnav li.active a {
  background: var(--nav-sub-btn-active);
  color: #ffffff;
  font-weight: 600;
}

/* ── Nav sections (collapsible) ─────────────────────────────── */

.nav-section > ul { display: none; }
.nav-section.expanded > ul { display: block; }

.nav-section-title {
  cursor: pointer;
  user-select: none;
}

.nav-list {
  list-style: none;
  margin: 0; padding: 0;
}

/* ── Main content ───────────────────────────────────────────── */

main {
  min-width: 0;
  padding: var(--page-inset) 3rem;
  max-width: calc(var(--max-width) + 6rem);
  background: transparent;
}

main h1 {
  margin: 0 0 0.25rem;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--accent);
}

main h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.015em;
}

main h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
}

/* ── Content page typography ────────────────────────────────── */

.content-page article {
  max-width: var(--max-width);
}

.content-page p {
  margin: 0.75rem 0;
  line-height: 1.75;
  color: var(--fg-secondary);
}

.content-page ul, .content-page ol {
  margin: 0.75rem 0;
  padding-left: 1.5rem;
  color: var(--fg-secondary);
}

.content-page li {
  margin: 0.25rem 0;
  line-height: 1.7;
}

.content-page blockquote {
  margin: 1.5rem 0;
  padding: 0.75rem 1.25rem;
  border-left: 3px solid var(--accent-light);
  background: var(--accent-wash);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--fg-secondary);
}

.content-page blockquote p {
  margin: 0;
}

.content-page img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  margin: 1rem 0;
}

.content-page code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-card);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--accent);
}

.content-page pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.6;
}

.content-page pre code {
  background: none;
  padding: 0;
  border-radius: 0;
}

.content-page hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* ── Tables ─────────────────────────────────────────────────── */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}

th {
  text-align: left;
  font-weight: 600;
  color: var(--fg);
  padding: 0.6rem 0.75rem;
  border-bottom: 2px solid var(--border);
}

td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--fg-secondary);
}

tr:hover td {
  background: var(--bg-card);
}

/* ── Breadcrumb ─────────────────────────────────────────────── */

.breadcrumb ol {
  list-style: none;
  display: flex;
  gap: 0.25rem;
  padding: 0; margin: 0 0 1.5rem;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.25rem;
  color: var(--border);
}

.breadcrumb a {
  color: var(--accent-light);
  text-decoration: none;
}

.breadcrumb a:hover { text-decoration: underline; }

.breadcrumb .active {
  color: var(--fg);
  font-weight: 500;
}

/* ── Duration buttons ───────────────────────────────────────── */

.chart-toolbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.duration-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.duration-buttons button {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.15s;
}

.duration-buttons button:hover {
  background: var(--bg-hover);
  border-color: var(--accent-light);
  color: var(--fg);
}

.duration-buttons button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.reset-zoom {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--accent-light);
  background: transparent;
  color: var(--accent-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.15s;
}

.reset-zoom:hover:not(:disabled) {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.reset-zoom:disabled {
  opacity: 0.3;
  cursor: default;
  border-color: var(--border);
  color: var(--fg-muted);
}

/* ── Brush-to-zoom overlay ──────────────────────────────────── */

.brush-overlay {
  position: absolute;
  top: 0;
  height: 100%;
  cursor: crosshair;
  z-index: 10;
}

.brush-rect {
  display: none;
  position: absolute;
  top: 0;
  height: 100%;
  background: rgba(2, 132, 199, 0.12);
  border-left: 1px solid var(--accent-light);
  border-right: 1px solid var(--accent-light);
  pointer-events: none;
}

/* ── Charts ─────────────────────────────────────────────────── */

.chart-container {
  margin-bottom: 2rem;
  background: #f3f4f6;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  min-height: 200px;
}

.chart-container svg {
  width: 100%;
  height: auto;
}

.empty-state {
  padding: 2rem;
  text-align: center;
  background: var(--accent-wash);
  border-radius: var(--radius);
  margin: 1rem 0;
  color: var(--fg-muted);
  font-size: 0.9rem;
}

/* ── Map (Leaflet) ──────────────────────────────────────────── */

#map {
  width: 100%;
  z-index: 0;
}

/* ── Blog grid ──────────────────────────────────────────────── */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--accent-wash);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
  box-shadow: var(--shadow-sm);
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-light);
  transform: translateY(-2px);
  color: inherit;
}

.blog-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-card);
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.03);
}

.blog-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.blog-card-date {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-light);
  letter-spacing: 0.02em;
}

.blog-card-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.blog-card-summary {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--fg-secondary);
}

/* ── Top bar (back link + icons, above card) ────────────────── */

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.top-bar-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent-light);
  text-decoration: none;
  transition: color 0.15s;
}

.top-bar-back:hover {
  color: var(--accent);
}

.blog-back-arrow {
  font-size: 1.1rem;
  line-height: 1;
}

.top-bar-icons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.top-bar-icons a {
  color: var(--fg-muted);
  transition: color 0.15s;
  display: flex;
  align-items: center;
}

.top-bar-icons a:hover {
  color: var(--accent);
}

.blog-post {
  background: var(--accent-wash);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 2.5rem;
  box-shadow: var(--shadow-sm);
  max-width: var(--max-width);
}

.blog-post-header {
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-light);
}

.blog-post-date {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-light);
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}

.blog-post-title {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.blog-post-content {
  max-width: var(--max-width);
}

.blog-post-content p {
  margin: 0.75rem 0;
  line-height: 1.75;
  color: var(--fg-secondary);
}

.blog-post-content a {
  color: var(--accent-light);
}

.blog-post-content a:hover {
  color: var(--accent);
}

.blog-post-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-card);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--accent);
}

.blog-post-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  margin: 1rem 0;
}

/* ── Anchor links ───────────────────────────────────────────── */

.anchor {
  color: var(--border);
  text-decoration: none;
  margin-left: 0.25em;
  opacity: 0;
  transition: opacity 0.15s;
}

h1:hover .anchor,
h2:hover .anchor,
h3:hover .anchor {
  opacity: 1;
}

.anchor:hover {
  color: var(--accent-light);
}

/* ── Responsive ─────────────────────────────────────────────── */

@media (max-width: 768px) {
  body {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: fixed;
    left: 0; top: 0;
    width: var(--sidebar-width);
    transform: translateX(-100%);
    transition: transform 0.3s;
  }
  .sidebar.open { transform: translateX(0); }
  main {
    padding: 1.5rem;
  }
}

/* -- Overlay chart styles ------------------------------------------------- */

.overlay-header {
  margin-bottom: 0.5rem;
}

.overlay-header h3 {
  margin: 0 0 0.25rem 0;
  font-size: 1.1rem;
  color: var(--fg);
}

.overlay-header .chart-subtitle {
  margin: 0;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.overlay-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.25rem;
  font-size: 0.8rem;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--fg-muted);
}

.legend-swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 2px;
}

.overlay-chart {
  margin-bottom: 2rem;
}

/* ---- Log viewer ---- */

#log-viewer {
  font-family: var(--font-sans);
}

.log-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.log-unit-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.log-unit-pill {
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--fg-secondary);
  cursor: pointer;
  font-size: 0.8rem;
  transition: background 0.15s, color 0.15s;
}

.log-unit-pill:hover {
  background: var(--accent-light);
  color: #fff;
}

.log-unit-pill.active {
  background: var(--accent);
  color: #fff;
}

.log-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.log-nav-btn {
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--fg-secondary);
  cursor: pointer;
  font-size: 0.8rem;
}

.log-nav-btn:hover:not(:disabled) {
  background: var(--accent-light);
  color: #fff;
}

.log-nav-btn:disabled {
  opacity: 0.3;
  cursor: default;
}

.log-status {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.log-table-wrap {
  overflow-x: auto;
  max-height: 80vh;
  overflow-y: auto;
}

.log-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.log-table th {
  position: sticky;
  top: 0;
  background: var(--bg-card);
  border-bottom: 2px solid var(--border);
  text-align: left;
  padding: 0.3rem 0.5rem;
  font-weight: 600;
  color: var(--fg);
  white-space: nowrap;
}

.log-table td {
  padding: 0.2rem 0.5rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--fg);
  white-space: pre-wrap;
  word-break: break-all;
  max-width: 60vw;
}

.log-table tbody tr:hover {
  background: var(--bg-hover);
}

/* Priority coloring */
.log-emerg td,
.log-alert td,
.log-crit td  { color: #c0392b; font-weight: 600; }
.log-err td   { color: #e74c3c; }
.log-warn td  { color: #b8860b; }
.log-notice td { color: var(--green); }
.log-info td  { color: var(--fg); }
.log-debug td { color: var(--fg-muted); }

/* Build footer */
.build-footer {
  grid-column: 1 / -1;
  text-align: center;
  padding: 2rem 1rem 1rem;
  color: var(--fg-muted);
}

/* Site banner (logo header) */
.site-banner {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  padding: 1.5rem 1rem 1rem;
}

.site-banner img {
  width: 100%;
  height: auto;
}