:root {
  --ink: #16232B;
  --navy: #0E2A38;
  --navy-deep: #081A24;
  --teal: #3E9C93;
  --teal-soft: #E4F1EF;
  --amber: #C97A3A;
  --paper: #F2F4F3;
  --paper-line: #DCE2E1;
  --white: #FFFFFF;

  --font-display: 'Fraunces', serif;
  --font-body: 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
}

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

/* ---------- Masthead ---------- */
.masthead {
  background: var(--navy);
  color: var(--white);
}
.masthead-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.masthead-id {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,0.25);
}
.masthead h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  margin: 0;
  letter-spacing: 0.01em;
}
.tagline {
  margin: 0.2rem 0 0;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.72);
}
.social-row {
  display: flex;
  gap: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.social-row a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.35);
  padding-bottom: 2px;
  text-transform: lowercase;
}
.social-row a:hover { border-color: var(--teal); color: var(--teal); }

/* ---------- Intro ---------- */
.intro {
  max-width: 640px;
  margin: 2.2rem auto 0;
  padding: 0 1.5rem;
}
.intro p {
  font-size: 1.05rem;
  color: #2E3E45;
}

/* ---------- Filter bar ---------- */
.filter-bar {
  max-width: 760px;
  margin: 1.5rem auto 0;
  padding: 0 1.5rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: transparent;
  border: 1px solid var(--paper-line);
  color: #5A6B70;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  cursor: pointer;
}
.filter-btn:hover { border-color: var(--teal); color: var(--navy); }
.filter-btn.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

/* ---------- Chart / timeline (signature element) ---------- */
.chart {
  position: relative;
  max-width: 760px;
  margin: 2rem auto 3rem;
  padding: 0 1.5rem 0 2.75rem;
}
.chart-rule {
  position: absolute;
  left: 1.6rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 1px;
  background: var(--paper-line);
}
.entries {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}
.entry {
  position: relative;
}
.entry::before {
  content: '';
  position: absolute;
  left: -1.6rem;
  top: 0.45rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--teal);
  border: 2px solid var(--paper);
  box-shadow: 0 0 0 1px var(--teal);
}
.entry-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #6E7E83;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.entry-type-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--teal);
  border: 1px solid var(--teal);
  border-radius: 3px;
  padding: 0.05rem 0.4rem;
}
.entry-card {
  margin-top: 0.5rem;
  background: var(--white);
  border: 1px solid var(--paper-line);
  border-radius: 10px;
  overflow: hidden;
}
.entry-body { padding: 1rem 1.2rem 1.1rem; }
.entry-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 0 0 0.35rem;
  color: var(--navy-deep);
}
.entry-text {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
  color: #3B4A50;
}
.entry-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.entry-tags span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #7C8C91;
  background: var(--teal-soft);
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
}
.entry-link {
  display: inline-block;
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-decoration: none;
  border-bottom: 1px solid var(--teal);
}

/* video thumbnail */
.video-thumb {
  position: relative;
  cursor: pointer;
  aspect-ratio: 16/9;
  background: var(--navy-deep) center/cover no-repeat;
}
.video-thumb .play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-thumb .play span {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  font-size: 0.9rem;
}
.video-thumb .duration {
  position: absolute;
  right: 0.5rem;
  bottom: 0.5rem;
  background: rgba(8,26,36,0.8);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
}

/* audio */
.audio-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.2rem;
}
.audio-row audio { flex: 1; height: 34px; }

/* image */
.entry-image {
  width: 100%;
  display: block;
  cursor: pointer;
  max-height: 420px;
  object-fit: cover;
}

/* pdf */
.pdf-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  gap: 1rem;
}
.pdf-icon {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--amber);
  border: 1px solid var(--amber);
  border-radius: 4px;
  padding: 0.5rem 0.6rem;
  flex-shrink: 0;
}

.empty-state {
  color: #7C8C91;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* ---------- Admin page ---------- */
.admin-shell {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}
.admin-login {
  max-width: 340px;
  margin: 4rem auto;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.admin-login input, .admin-section input, .admin-section textarea, .admin-section select {
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1px solid var(--paper-line);
  border-radius: 6px;
  padding: 0.6rem 0.7rem;
  width: 100%;
}
.admin-login button, .admin-section .btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: 999px;
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  align-self: flex-start;
}
.admin-section .btn.danger { background: #B23A3A; }
.admin-section .btn.ghost { background: transparent; color: var(--navy); border: 1px solid var(--paper-line); }
.admin-section {
  margin-top: 2.5rem;
}
.admin-section h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--navy-deep);
}
.admin-form-grid {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  background: var(--white);
  border: 1px solid var(--paper-line);
  border-radius: 10px;
  padding: 1.2rem;
}
.admin-form-grid label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #6E7E83;
  display: block;
  margin-bottom: 0.2rem;
}
.admin-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  background: var(--white);
  border: 1px solid var(--paper-line);
  border-radius: 8px;
  padding: 0.7rem 0.9rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}
.admin-list-item .meta { color: #6E7E83; font-family: var(--font-mono); font-size: 0.72rem; }
.admin-msg {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--teal);
}
.admin-msg.error { color: #B23A3A; }

/* ---------- Footer ---------- */
.site-footer {
  text-align: center;
  padding: 2rem 1.5rem 3rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #8A9A9F;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(8,26,36,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 2rem;
}
.lightbox[hidden] {
  display: none;
}
.lightbox-body img,
.lightbox-body video {
  max-width: 100%;
  max-height: 85vh;
  border-radius: 6px;
}
.lightbox-close {
  position: absolute;
  top: 1.2rem;
  right: 1.5rem;
  background: transparent;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

@media (max-width: 480px) {
  .masthead-inner { padding: 2rem 1.2rem 1.5rem; }
  .chart { padding-left: 2.1rem; }
  .chart-rule { left: 1.05rem; }
  .entry::before { left: -1.05rem; }
}