/* Shared styles for phillipberger.com — used by / and /projects/ */

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

:root {
  --bg:        #0d0d0d;
  --bg-card:   #111111;
  --border:    #575757;
  --border-2:  #1e1e1e;
  --text-pri:  #e8e8e8;
  --text-sec:  #cacaca;
  --text-mute: #8a8a8a;
  --text-dim:  #707070;
  --accent:    #4ade80;
  --font:      'JetBrains Mono', monospace;
}

[data-theme="light"] {
  --bg:        #f5f5f0;
  --bg-card:   #efefea;
  --border:    #5a5a5a62;
  --border-2:  #a7a7a7c2;
  --text-pri:  #161616;
  --text-sec:  #292929;
  --text-mute: #4e4e4e;
  --text-dim:  #14572a;
  --accent:    #1a7a3a;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text-sec);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.6;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ── */
.site-wrap {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 960px;
  margin: 0 auto;
}

/* ── Header ── */
header {
  border-bottom: 1px solid var(--border);
  padding: 18px 32px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  position: relative;
}

header .name {
  color: var(--text-pri);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

header .tagline {
  color: var(--text-mute);
  font-size: 11px;
  letter-spacing: 0.03em;
}

header .header-right {
  margin-left: auto;
}

/* ── Theme toggle ── */
.theme-toggle {
  background: none;
  border: 1px solid var(--text-pri);
  color: var(--text-pri);
  font-family: var(--font);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ── Body ── */
.body {
  display: flex;
  flex: 1;
}

/* ── Sidebar nav ── */
nav {
  width: 180px;
  min-width: 180px;
  border-right: 1px solid var(--border);
  padding: 24px 0;
}

.nav-comment {
  color: var(--text-dim);
  font-size: 11px;
  padding: 8px 22px 6px;
  letter-spacing: 0.04em;
}

nav button,
nav a.nav-link {
  display: block;
  width: 100%;
  background: none;
  border: none;
  border-left: 2px solid transparent;
  padding: 11px 22px;
  color: var(--text-mute);
  font-family: var(--font);
  font-size: 12px;
  letter-spacing: 0.05em;
  cursor: pointer;
  text-align: left;
  transition: color 0.15s;
}

nav button:hover, nav a.nav-link:hover { color: var(--text-sec); text-decoration: none; }

nav button.active {
  color: var(--text-pri);
  border-left: 2px solid var(--accent);
}

/* ── Content ── */
main {
  flex: 1;
  padding: 32px 40px;
  max-width: 700px;
}

.section { display: none; }
.section.active { display: block; }

.section-label {
  color: var(--accent);
  font-size: 14px;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

/* ── About ── */
.about-text {
  color: var(--text-sec);
  line-height: 2;
  font-size: 12px;
  max-width: 560px;
}

/* ── Projects ── */
.project-card {
  border: 1px solid var(--border);
  padding: 20px 22px;
  margin-bottom: 14px;
  transition: border-color 0.15s;
}

.project-card:hover { border-color: #3a3a3a; }

.project-title {
  color: var(--text-pri);
  font-size: 12px;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

.project-desc {
  color: var(--text-mute);
  font-size: 11px;
  line-height: 1.8;
}

.project-tag {
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: 0.04em;
  margin-top: 10px;
}

.project-link {
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-decoration: none;
  display: inline-block;
  margin-top: 12px;
}

.project-link:hover { text-decoration: underline; }

/* ── Interests ── */
.interest-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-2);
  font-size: 12px;
}

.interest-row:last-child { border-bottom: none; }

.interest-label { color: var(--text-sec); }

.interest-meta {
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.04em;
}

/* ── Books ── */
.interests-subhead {
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: 0.06em;
  margin: 24px 0 10px;
}

.book-row {
  border-bottom: 1px solid var(--border-2);
  padding: 14px 0;
}

.book-row:last-child { border-bottom: none; }

.book-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
  gap: 8px;
  flex-wrap: wrap;
}

.book-title {
  color: var(--text-pri);
  font-size: 12px;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}

.book-author {
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.book-note {
  color: var(--text-mute);
  font-size: 11px;
  line-height: 1.75;
}

.book-note::before {
  content: '// ';
  color: var(--text-dim);
}

/* ── Exploring ── */
.exploring-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--border-2);
  font-size: 12px;
  color: var(--text-sec);
}

.exploring-item:last-of-type { border-bottom: none; }

.exploring-item::before {
  content: '>';
  color: var(--accent);
  font-size: 11px;
  flex-shrink: 0;
}

/* ── Contact ── */
.contact-tagline {
  color: var(--text-mute);
  font-size: 11px;
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

.contact-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--border-2);
  font-size: 12px;
}

.contact-row:last-of-type { border-bottom: none; }

.contact-label {
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: 0.06em;
  min-width: 64px;
}

.contact-value {
  color: var(--text-sec);
}

.contact-value a {
  color: var(--text-sec);
}

.contact-value a:hover { color: var(--accent); }

/* ── Prompt line ── */
.prompt-line {
  color: var(--accent);
  font-size: 11px;
  margin-top: 28px;
  letter-spacing: 0.04em;
}

/* ── Blinking cursor ── */
.cursor {
  display: inline-block;
  width: 7px;
  height: 13px;
  background: var(--accent);
  animation: blink 1s step-end infinite;
  vertical-align: -2px;
  margin-left: 2px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 14px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

footer .footer-left {
  color: var(--text-dim);
  font-size: 11px;
}

footer .footer-right {
  color: var(--text-dim);
  font-size: 11px;
}

footer .footer-right a {
  color: var(--text-mute);
}

footer .footer-right a:hover { color: var(--accent); }

/* ── Mobile folder-tab nav ── */
.tab-row {
  display: none;
  position: absolute;
  bottom: 0; /* bottom of tab flush with header bottom border */
  left: 18px;
  z-index: 10;
}

.folder-nav-wrap {
  display: inline-block;
  position: relative;
}

.folder-tab-btn {
  background: var(--bg);
  border: none;
  color: var(--accent);
  font-family: var(--font);
  font-size: 14px;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  cursor: pointer;
  position: relative;
  transition: color 0.15s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  width: 160px;
  justify-content: flex-start;
  gap: 6px;
}


/* SVG notched border sits behind content, covers all four sides with cut corner */
.folder-tab-btn .tab-border {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.folder-tab-btn .tab-border polyline {
  fill: none;
  stroke: var(--border);
  stroke-width: 1;
  transition: stroke 0.15s;
  /* Draw: bottom-left → top-left → top (to notch) → notch point → right → bottom-right
     bottom edge intentionally omitted so tab merges with dropdown */
}

.folder-tab-btn:hover .tab-border polyline {
  stroke: var(--accent);
}

.folder-tab-btn:hover {
  opacity: 0.75;
}

.folder-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  width: 160px;
  z-index: 100;
}

.folder-dropdown.open {
  display: block;
}

.folder-dropdown-comment {
  color: var(--text-dim);
  font-size: 10px;
  padding: 8px 14px 4px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-2);
}

.folder-dropdown button,
.folder-dropdown a.nav-link {
  display: block;
  width: 100%;
  background: none;
  border: none;
  border-left: 2px solid transparent;
  padding: 10px 14px;
  color: var(--text-mute);
  font-family: var(--font);
  font-size: 12px;
  letter-spacing: 0.05em;
  cursor: pointer;
  text-align: left;
  transition: color 0.15s;
}

.folder-dropdown button:hover, .folder-dropdown a.nav-link:hover { color: var(--text-sec); text-decoration: none; }

.folder-dropdown button.active {
  color: var(--text-pri);
  border-left: 2px solid var(--accent);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  header { padding: 14px 18px; gap: 10px; }
  nav { display: none; }
  .tab-row { display: block; }
  main { padding: 20px 18px; }
  footer { padding: 12px 18px; }
  .interest-row { flex-wrap: wrap; gap: 4px; }
  .book-author { white-space: normal; }
}

/* Keep book notes visually subordinate on mobile landscape. */
@media (max-width: 900px) and (orientation: landscape) {
  .book-note {
    font-size: 10px;
  }
}

/* ── Project page: anchor offset so linked cards aren't flush to the top ── */
.project-card { scroll-margin-top: 24px; }

/* ── Active state for nav items that are page links (e.g. PROJECTS on /projects/) ── */
nav a.nav-link.active,
.folder-dropdown a.nav-link.active {
  color: var(--text-pri);
  border-left: 2px solid var(--accent);
}

/* ── Projects page intro ── */
.page-intro {
  color: var(--text-mute);
  font-size: 11px;
  line-height: 1.8;
  margin-bottom: 24px;
  max-width: 560px;
}