/* ────────────────────────────────────────────────────────────────
   Maker Forge — light "workshop" theme
──────────────────────────────────────────────────────────────── */

:root {
  /* surfaces */
  --c-base:         #f6f5f3;
  --c-surface:      #ffffff;
  --c-surface-2:    #fbfaf8;
  --c-surface-card: #ffffff;
  --c-inset:        #f4f2ef;

  /* borders */
  --c-border:      #e6e2dc;
  --c-border-soft: #f0ede8;
  --c-border-hi:   #d2ccc2;

  /* text */
  --c-text:   #1b1815;
  --c-text-2: #403a34;
  --c-muted:  #6f6760;
  --c-dim:    #9a918a;
  --c-faint:  #b8afa6;

  /* accent — ember / forge */
  --c-accent:      #e2622a;
  --c-accent-soft: #c14d1c;
  --c-accent-bg:   rgba(226, 98, 42, 0.10);
  --c-accent-glow: rgba(226, 98, 42, 0.18);

  /* status hues (tuned for light bg) */
  --c-green:    #15803d;  --c-green-bg: rgba(22, 163, 74, 0.12);
  --c-amber:    #b45309;  --c-amber-bg: rgba(217, 119, 6, 0.14);
  --c-blue:     #1d4ed8;  --c-blue-bg:  rgba(37, 99, 235, 0.11);
  --c-cyan:     #0e7490;  --c-cyan-bg:  rgba(8, 145, 178, 0.12);
  --c-slate:    #475569;  --c-slate-bg: rgba(71, 85, 105, 0.09);

  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--c-text);
  background: var(--c-base);
  color-scheme: light;

  --r-xs:   5px;
  --r-sm:   8px;
  --r-md:   12px;
  --r-lg:   18px;
  --r-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(28, 24, 20, 0.04), 0 1px 3px rgba(28, 24, 20, 0.05);
  --shadow-md: 0 4px 14px rgba(28, 24, 20, 0.06), 0 2px 5px rgba(28, 24, 20, 0.05);
  --shadow-lg: 0 12px 30px rgba(28, 24, 20, 0.10);

  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", "Courier New", monospace;

  --maxw: 1080px;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--c-base);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

img, button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }

/* ────────────────────────────────────────────────────────────────
   Layout
──────────────────────────────────────────────────────────────── */

.page-header {
  padding: 3.25rem 1.5rem 2.5rem;
  background: linear-gradient(180deg, #ffffff 0%, #fbf9f6 100%);
  border-bottom: 1px solid var(--c-border);
}

.page-header::before { display: none; }

.hero-content {
  max-width: var(--maxw);
  margin: 0 auto;
}

.page-main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.page-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.75rem 1.5rem 2.5rem;
  border-top: 1px solid var(--c-border);
  color: var(--c-dim);
  font-size: 0.86rem;
}

/* ────────────────────────────────────────────────────────────────
   Typography
──────────────────────────────────────────────────────────────── */

.eyebrow {
  display: inline-block;
  margin-bottom: 0.85rem;
  color: var(--c-accent-soft);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.7rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--c-text);
}

.subtitle {
  margin: 0.9rem 0 0;
  max-width: 660px;
  color: var(--c-muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

/* ────────────────────────────────────────────────────────────────
   Panels
──────────────────────────────────────────────────────────────── */

.panel {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.panel-light { background: var(--c-surface-2); }

.panel-header h2,
.panel-header h3 { margin: 0 0 0.4rem; color: var(--c-text); }

.panel-header h2 { font-size: 1.2rem; letter-spacing: -0.01em; }
.panel-header h3 { font-size: 1rem; }

.panel-header p {
  margin: 0;
  color: var(--c-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ────────────────────────────────────────────────────────────────
   Grids & section headers
──────────────────────────────────────────────────────────────── */

.workspace-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.section-header h2 { margin: 0; font-size: 1.3rem; letter-spacing: -0.015em; color: var(--c-text); }

/* ────────────────────────────────────────────────────────────────
   Buttons
──────────────────────────────────────────────────────────────── */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: var(--r-sm);
  padding: 0.7rem 1.2rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform 0.12s, box-shadow 0.15s, background-color 0.15s, border-color 0.15s;
}

.button:hover { transform: translateY(-1px); }

.primary {
  background: var(--c-accent);
  color: #fff;
  box-shadow: 0 1px 2px rgba(193, 77, 28, 0.3);
}
.primary:hover { background: var(--c-accent-soft); box-shadow: 0 4px 12px rgba(226, 98, 42, 0.3); }

.secondary { background: var(--c-inset); color: var(--c-text); border: 1px solid var(--c-border); }
.secondary:hover { background: #ece8e2; }

.tertiary {
  background: var(--c-surface);
  color: var(--c-text-2);
  border: 1px solid var(--c-border);
}
.tertiary:hover { border-color: var(--c-border-hi); background: var(--c-inset); }

/* ────────────────────────────────────────────────────────────────
   Forms
──────────────────────────────────────────────────────────────── */

.project-form { margin-top: 1.2rem; display: grid; gap: 1rem; }

label { display: grid; gap: 0.45rem; font-size: 0.9rem; color: var(--c-text-2); font-weight: 500; }

input, select, textarea {
  width: 100%;
  border-radius: var(--r-sm);
  border: 1px solid var(--c-border-hi);
  background: var(--c-surface);
  color: var(--c-text);
  padding: 0.7rem 0.85rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input::placeholder, textarea::placeholder { color: var(--c-faint); }

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-glow);
}

textarea { resize: vertical; }

/* ────────────────────────────────────────────────────────────────
   About / header extras
──────────────────────────────────────────────────────────────── */

.about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--r-pill);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-text-2);
  background: var(--c-surface);
  border: 1px solid var(--c-border-hi);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.github-link:hover { color: var(--c-accent); border-color: var(--c-accent); background: var(--c-accent-bg); }

.tech-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.tech-chip {
  padding: 0.28rem 0.7rem;
  border-radius: var(--r-pill);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  background: var(--c-slate-bg);
  color: var(--c-slate);
  border: 1px solid var(--c-border);
}

/* ────────────────────────────────────────────────────────────────
   Timeline (experience / education)
──────────────────────────────────────────────────────────────── */

.timeline { list-style: none; margin: 1.1rem 0 0; padding: 0; }

.timeline-item {
  position: relative;
  padding: 0 0 1.5rem 1.35rem;
  border-left: 2px solid var(--c-border);
}

.timeline-item:last-child { padding-bottom: 0; border-left-color: transparent; }

.timeline-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 5px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
}

.timeline-item:last-child::before { background: var(--c-faint); }

.timeline-role    { font-weight: 650; color: var(--c-text); font-size: 0.92rem; line-height: 1.4; }
.timeline-company { color: var(--c-accent-soft); font-size: 0.83rem; margin-top: 0.15rem; font-weight: 500; }
.timeline-period  { color: var(--c-dim); font-size: 0.78rem; margin-top: 0.15rem; }
.timeline-desc    { color: var(--c-muted); font-size: 0.85rem; margin-top: 0.45rem; line-height: 1.65; }

/* compact variant — used in the About section (no descriptions) */
.timeline--compact { margin-top: 1.3rem; }
.timeline--compact .timeline-item { padding-bottom: 1.05rem; }

/* About section */
.about-section .section-header { margin-bottom: 0.75rem; }
.about-lead { margin: 0; max-width: 640px; color: var(--c-muted); font-size: 0.95rem; line-height: 1.7; }

/* ────────────────────────────────────────────────────────────────
   Project cards
──────────────────────────────────────────────────────────────── */

.project-count { color: var(--c-dim); font-size: 0.86rem; }

.project-grid {
  display: grid;
  gap: 1.15rem;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

.project-card {
  background: var(--c-surface-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 1.4rem;
  min-height: 170px;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s, border-color 0.18s, box-shadow 0.18s;
}

.project-card:hover {
  transform: translateY(-3px);
  border-color: var(--c-accent);
  box-shadow: var(--shadow-md);
}

.project-thumb {
  width: calc(100% + 2.8rem);
  margin: -1.4rem -1.4rem 0;
  height: 170px;
  object-fit: cover;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  display: block;
}

.project-hero {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-border);
  display: block;
}

.admin-thumb {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--r-sm);
  border: 1px solid var(--c-border);
}

.form-hint { display: block; margin-top: 0.3rem; color: var(--c-muted); font-size: 0.78rem; }

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.6rem;
  margin-top: 0.6rem;
}
.project-gallery img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: var(--r-sm);
  border: 1px solid var(--c-border);
  display: block;
}

.file-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.file-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 0.9rem;
  background: var(--c-inset);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
}
.file-name { font-weight: 600; color: var(--c-text); word-break: break-all; }
.file-size { color: var(--c-muted); font-size: 0.8rem; margin-left: auto; }

.project-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.project-tag, .project-status {
  padding: 0.28rem 0.6rem;
  border-radius: var(--r-pill);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.project-tag { background: var(--c-accent-bg); color: var(--c-accent-soft); }

.project-status                  { background: var(--c-green-bg);  color: var(--c-green);  }
.status-in-progress              { background: var(--c-amber-bg);  color: var(--c-amber);  }
.status-planned                  { background: var(--c-blue-bg);   color: var(--c-blue);   }
.status-online                   { background: var(--c-cyan-bg);   color: var(--c-cyan);   }
.status-completed                { background: var(--c-slate-bg);  color: var(--c-slate);  }

.project-card h3 { margin: 0; font-size: 1.1rem; letter-spacing: -0.01em; }
.project-card p  { margin: 0; color: var(--c-muted); font-size: 0.88rem; line-height: 1.6; }

.project-link { color: var(--c-text); }
.project-link:hover { color: var(--c-accent); }

/* ────────────────────────────────────────────────────────────────
   Detail page — header & sections
──────────────────────────────────────────────────────────────── */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--c-muted);
  font-size: 0.85rem;
  margin-bottom: 1.4rem;
  transition: color 0.15s;
}
.back-link:hover { color: var(--c-accent); }

.detail-section { margin: 0; }

/* ── At a glance — spec cards ── */
.spec-row {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.spec-card {
  position: relative;
  overflow: hidden;
  padding: 1.3rem 1.4rem;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}

.spec-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--c-accent);
}

.spec-value {
  font-size: 1.7rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  color: var(--c-text);
  line-height: 1.1;
}

.spec-label { margin-top: 0.35rem; font-size: 0.86rem; font-weight: 600; color: var(--c-text-2); }
.spec-detail { margin-top: 0.15rem; font-size: 0.76rem; color: var(--c-dim); }

/* ── Overview — narrative + feature cards ── */
.overview-lead {
  margin: 0 0 1.6rem;
  max-width: 760px;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--c-text-2);
}

.feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.feature-card {
  padding: 1.25rem 1.3rem;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

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

.feature-title {
  margin: 0 0 0.45rem;
  font-size: 0.98rem;
  letter-spacing: -0.01em;
  color: var(--c-text);
}

.feature-title::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 0.5rem;
  border-radius: 50%;
  background: var(--c-accent);
  vertical-align: middle;
}

.feature-body { margin: 0; font-size: 0.88rem; line-height: 1.65; color: var(--c-muted); }

/* ────────────────────────────────────────────────────────────────
   Detail page — system diagram
──────────────────────────────────────────────────────────────── */

.system-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 2.25rem 1.5rem;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}

.system-diagram::before { display: none; }

.diagram-node {
  background: var(--c-surface-2);
  border: 1px solid var(--c-accent);
  border-radius: var(--r-md);
  padding: 1.2rem 1.9rem;
  text-align: center;
  min-width: 170px;
}

.diagram-node-label {
  display: inline-block;
  margin-bottom: 0.4rem;
  background: var(--c-accent);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 0.14rem 0.55rem;
  border-radius: var(--r-pill);
}

.diagram-node-title  { font-size: 1rem; font-weight: 700; color: var(--c-text); margin: 0.1rem 0 0.3rem; }
.diagram-node-sub    { font-size: 0.78rem; color: var(--c-accent-soft); margin-bottom: 0.2rem; font-weight: 500; }
.diagram-node-detail { font-size: 0.74rem; color: var(--c-dim); }

.diagram-connector { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; min-width: 110px; }
.diagram-connector-tech { font-size: 0.78rem; font-weight: 700; color: var(--c-accent-soft); }
.diagram-connector-line { font-size: 1.3rem; color: var(--c-accent); letter-spacing: -0.1em; line-height: 1; opacity: 0.6; }
.diagram-connector-info { font-size: 0.72rem; color: var(--c-dim); text-align: center; }

/* ────────────────────────────────────────────────────────────────
   Detail page — tables
──────────────────────────────────────────────────────────────── */

.hw-table { width: 100%; border-collapse: collapse; margin-top: 1rem; font-size: 0.88rem; }

.hw-table th {
  text-align: left;
  padding: 0.5rem 0.7rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-dim);
  border-bottom: 1px solid var(--c-border);
}

.hw-table td {
  padding: 0.6rem 0.7rem;
  border-bottom: 1px solid var(--c-border-soft);
  color: var(--c-text-2);
  vertical-align: top;
}

.hw-table tr:last-child td { border-bottom: none; }

.hw-component { font-weight: 600; color: var(--c-text) !important; }
.hw-qty       { color: var(--c-muted) !important; white-space: nowrap; }
.hw-notes     { color: var(--c-muted) !important; font-size: 0.84rem; }

/* ── pinout ── */
.pinout-table { margin-top: 0.4rem; }
.pinout-group { margin-top: 1.2rem; }

.pinout-group-title {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-accent-soft);
}

.pin-name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--c-accent-bg);
  color: var(--c-accent-soft);
  padding: 0.12rem 0.4rem;
  border-radius: var(--r-xs);
  white-space: nowrap;
}

/* ── code block ── */
.code-block {
  background: var(--c-inset);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 0.75rem 0.95rem;
  margin: 0.35rem 0;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--c-text-2);
  overflow-x: auto;
}

/* ── build ── */
.build-grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.build-note { margin: 0.75rem 0 0.35rem; font-size: 0.83rem; color: var(--c-muted); }

/* ────────────────────────────────────────────────────────────────
   Comments
──────────────────────────────────────────────────────────────── */

.comment-pending {
  margin: 0 0 1.1rem;
  padding: 0.85rem 1.1rem;
  border-radius: var(--r-md);
  background: var(--c-green-bg);
  border: 1px solid rgba(22, 163, 74, 0.3);
  color: var(--c-green);
  font-size: 0.88rem;
  font-weight: 500;
}

.comment-list {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.comment {
  padding: 1rem 1.15rem;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
}

.comment-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.75rem; margin-bottom: 0.4rem; }
.comment-author { font-weight: 650; color: var(--c-text); font-size: 0.9rem; }
.comment-date   { color: var(--c-dim); font-size: 0.76rem; font-variant-numeric: tabular-nums; }
.comment-body   { margin: 0; color: var(--c-text-2); font-size: 0.9rem; line-height: 1.65; white-space: pre-wrap; word-wrap: break-word; }

.comment-empty { margin: 0 0 1.5rem; color: var(--c-dim); font-size: 0.9rem; }

.comment-form { display: grid; gap: 0.9rem; border-top: 1px solid var(--c-border); padding-top: 1.4rem; }
.comment-form-row { display: grid; gap: 1rem; grid-template-columns: minmax(0, 280px); }
.comment-form-actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.comment-note { color: var(--c-dim); font-size: 0.78rem; }

.comment-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ── admin moderation ── */
.admin-actions { display: flex; gap: 0.5rem; white-space: nowrap; }
.button-sm { padding: 0.4rem 0.8rem; font-size: 0.78rem; }

/* ────────────────────────────────────────────────────────────────
   Utilities
──────────────────────────────────────────────────────────────── */

.section-mb           { margin-bottom: 0; }
.section-mt           { margin-top: 0.5rem; }
.tech-chips--spaced   { margin-top: 1.25rem; }
.project-meta--header { margin: 1.25rem 0 0.75rem; }

.panel-center { text-align: center; }

.detail-img {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  max-height: 520px;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  background: #fff;
}

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

@media (max-width: 900px) {
  .workspace-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .page-main { gap: 1.75rem; padding-top: 2rem; }
  .system-diagram    { gap: 0.75rem; padding: 1.5rem 1rem; }
  .diagram-connector { display: none; }
  h1 { font-size: 1.9rem; }
}