:root {
  --bg: #0b1826;
  --surface: #0f2032;
  --border: #1e3d54;
  --border-strong: #275069;
  --accent: #5cc9e8;
  --text: #d8e8f0;
  --text-muted: #7fa3b8;

  --font-mono: 'IBM Plex Mono', 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.5;
}

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

img {
  max-width: 100%;
}

.pp-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.pp-site-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 14px;
}

.pp-site-title {
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.08em;
  color: var(--text);
  text-decoration: none;
}

.pp-site-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--accent);
}

/* Tag chips (filter row) */
.pp-chip-row {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.pp-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 5px 12px;
  background: transparent;
  cursor: pointer;
  text-transform: uppercase;
}

.pp-chip.active {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
}

/* Grid */
.pp-project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
}

/* Card */
.pp-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px;
  display: block;
  text-decoration: none;
  color: inherit;
}

.pp-corner {
  position: absolute;
  width: 10px;
  height: 10px;
  border-color: var(--accent);
}
.pp-tl { top: 6px; left: 6px; border-top: 1px solid; border-left: 1px solid; }
.pp-tr { top: 6px; right: 6px; border-top: 1px solid; border-right: 1px solid; }
.pp-bl { bottom: 6px; left: 6px; border-bottom: 1px solid; border-left: 1px solid; }
.pp-br { bottom: 6px; right: 6px; border-bottom: 1px solid; border-right: 1px solid; }

.pp-card-icon {
  color: var(--accent);
  width: 22px;
  height: 22px;
}

.pp-card-title {
  font-size: 13px;
  color: var(--text);
  margin: 10px 0 6px;
}

.pp-tag-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.pp-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--accent);
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  padding: 2px 8px;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Progress bar */
.pp-progress-track {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  margin-bottom: 6px;
  overflow: hidden;
}

.pp-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
}

.pp-progress-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  margin-bottom: 10px;
  text-transform: uppercase;
}

/* Project detail page */
.pp-project-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.pp-project-header .pp-card-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  margin-top: 4px;
}

.pp-project-title {
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.03em;
  color: var(--text);
  margin: 0 0 6px;
}

.pp-project-summary {
  color: var(--text-muted);
  margin: 0 0 10px;
}

.pp-status-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--accent);
  text-transform: uppercase;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  padding: 2px 8px;
  display: inline-block;
}

.pp-section {
  margin-top: 32px;
}

.pp-section-heading {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  margin-bottom: 14px;
}

.pp-materials-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pp-materials-list li {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  border-left: 2px solid var(--border-strong);
  padding-left: 10px;
}

.pp-photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.pp-photo-grid img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: 4px;
  display: block;
}

.pp-update-entry {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  padding: 14px 16px;
  margin-bottom: 14px;
}

.pp-update-date {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.pp-update-title {
  font-size: 15px;
  color: var(--text);
  margin: 0 0 8px;
}

.pp-back-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--text-muted);
  display: inline-block;
  margin-bottom: 20px;
}

.pp-back-link:hover {
  color: var(--accent);
}

.pp-empty-note {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}