/* DREXCIYA.APP — CRT / BBS phosphor skin */
:root {
  --bg: #020805;
  --bg2: #04120c;
  --panel: #061a12;
  --border: #1a5c3a;
  --border-bright: #2dff9a;
  --green: #33ff99;
  --green-dim: #1a9960;
  --green-dark: #0d4028;
  --cyan: #66ffe0;
  --amber: #ffcc66;
  --pink: #ff6b9d;
  --white: #c8ffe0;
  --mut: #4a8868;
  --danger: #ff4466;
  --font: "IBM Plex Mono", "SF Mono", "Menlo", "Consolas", "Courier New", monospace;
  --scan: rgba(0, 255, 140, 0.03);
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--green);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.45;
  overflow: hidden;
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    var(--scan) 2px,
    var(--scan) 4px
  );
  z-index: 9998;
  mix-blend-mode: overlay;
}

body::after {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.45) 100%);
  z-index: 9997;
}

/* ---- LOGIN ---- */
#login-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 50% 30%, #0a2a1a 0%, var(--bg) 70%);
  z-index: 100;
  flex-direction: column;
  padding: 1.5rem;
}

#login-screen.hidden { display: none; }

.login-box {
  border: 1px solid var(--border);
  background: rgba(2, 12, 8, 0.92);
  padding: 1.5rem 1.75rem 1.25rem;
  max-width: 640px;
  width: 100%;
  box-shadow:
    0 0 0 1px #000,
    0 0 40px rgba(45, 255, 154, 0.08),
    inset 0 0 60px rgba(0, 40, 20, 0.5);
  position: relative;
}

.login-box::before {
  content: "SECURE AIRLOCK // DREXCIYA.APP NODE";
  position: absolute;
  top: -10px;
  left: 16px;
  background: var(--bg);
  padding: 0 8px;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--green-dim);
}

.logo-wrap {
  text-align: center;
  margin-bottom: 1rem;
  overflow-x: auto;
}

.logo-ascii {
  display: inline-block;
  color: var(--cyan);
  font-size: 9px;
  line-height: 1.05;
  letter-spacing: 0;
  text-shadow: 0 0 8px rgba(102, 255, 224, 0.35);
  white-space: pre;
  user-select: none;
}

.brand-title {
  text-align: center;
  font-size: 1.6rem;
  letter-spacing: 0.35em;
  color: var(--green);
  text-shadow: 0 0 12px rgba(51, 255, 153, 0.5);
  margin: 0.4rem 0 0.15rem;
}

.brand-sub {
  text-align: center;
  color: var(--mut);
  font-size: 11px;
  letter-spacing: 0.2em;
  margin-bottom: 1.25rem;
}

.login-form label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--green-dim);
  margin-bottom: 0.4rem;
}

.login-row {
  display: flex;
  gap: 0.5rem;
}

.login-row input {
  flex: 1;
  background: #000;
  border: 1px solid var(--border);
  color: var(--amber);
  font-family: inherit;
  font-size: 14px;
  padding: 0.55rem 0.75rem;
  outline: none;
  letter-spacing: 0.12em;
}

.login-row input:focus {
  border-color: var(--border-bright);
  box-shadow: 0 0 0 1px var(--border-bright), 0 0 16px rgba(45,255,154,0.15);
}

.login-row button, .btn {
  background: var(--green-dark);
  border: 1px solid var(--border-bright);
  color: var(--green);
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.15em;
  padding: 0.55rem 1rem;
  cursor: pointer;
  text-transform: uppercase;
}

.login-row button:hover, .btn:hover {
  background: #145c38;
  color: #fff;
  box-shadow: 0 0 12px rgba(45,255,154,0.25);
}

.login-err {
  min-height: 1.2em;
  margin-top: 0.6rem;
  color: var(--danger);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.login-hint {
  margin-top: 1rem;
  font-size: 10px;
  color: var(--mut);
  text-align: center;
  letter-spacing: 0.08em;
}

.blink {
  animation: blink 1.1s step-end infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

/* ---- APP SHELL ---- */
#app {
  display: none;
  height: 100%;
  flex-direction: column;
}
#app.visible { display: flex; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #0a2218, #04120c);
  flex-shrink: 0;
}

.topbar .left, .topbar .right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mut);
}

.topbar .brand {
  color: var(--cyan);
  font-weight: 600;
  letter-spacing: 0.25em;
}

.topbar .online {
  color: var(--green);
}
.topbar .online::before {
  content: "● ";
  color: var(--green);
  text-shadow: 0 0 6px var(--green);
}

.shell {
  display: flex;
  flex: 1;
  min-height: 0;
}

/* SIDEBAR */
.sidebar {
  width: 240px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  background: var(--bg2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-head {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--green-dim);
}

.board-list {
  list-style: none;
  overflow-y: auto;
  flex: 1;
  padding: 0.35rem 0;
}

.board-list li button {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  border-left: 3px solid transparent;
  color: var(--green-dim);
  font-family: inherit;
  font-size: 12px;
  padding: 0.55rem 0.75rem;
  cursor: pointer;
  letter-spacing: 0.06em;
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}

.board-list li button .key {
  color: var(--amber);
  width: 1.2em;
  flex-shrink: 0;
}

.board-list li button:hover {
  background: rgba(45, 255, 154, 0.06);
  color: var(--green);
}

.board-list li button.active {
  border-left-color: var(--border-bright);
  background: rgba(45, 255, 154, 0.1);
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(102, 255, 224, 0.3);
}

.sidebar-foot {
  border-top: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  font-size: 10px;
  color: var(--mut);
  letter-spacing: 0.08em;
}

/* MAIN */
.main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(180deg, rgba(0,30,18,0.3), transparent 120px),
    var(--bg);
}

.board-header {
  padding: 0.75rem 1.25rem 0.5rem;
  border-bottom: 1px solid var(--green-dark);
  flex-shrink: 0;
}

.board-header h1 {
  font-size: 1.05rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
  font-weight: 500;
}

.board-header .path {
  font-size: 11px;
  color: var(--mut);
  margin-top: 0.15rem;
  letter-spacing: 0.1em;
}

.board-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.25rem 2.5rem;
  scroll-behavior: smooth;
}

/* CRT scrollbars */
.board-body::-webkit-scrollbar,
.board-list::-webkit-scrollbar { width: 8px; }
.board-body::-webkit-scrollbar-track,
.board-list::-webkit-scrollbar-track { background: #000; }
.board-body::-webkit-scrollbar-thumb,
.board-list::-webkit-scrollbar-thumb {
  background: var(--green-dark);
  border: 1px solid var(--border);
}

/* STATUS */
.statusline {
  flex-shrink: 0;
  border-top: 1px solid var(--border);
  background: #030c08;
  padding: 0.3rem 0.75rem;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--mut);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

/* ---- CONTENT ATOMS ---- */
.ansi-box {
  border: 1px solid var(--border);
  background: rgba(0, 20, 12, 0.5);
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  position: relative;
}

.ansi-box.hl {
  border-color: var(--border-bright);
  box-shadow: 0 0 20px rgba(45, 255, 154, 0.08);
}

.ansi-box .tag {
  position: absolute;
  top: -8px;
  left: 12px;
  background: var(--bg);
  padding: 0 6px;
  font-size: 10px;
  color: var(--amber);
  letter-spacing: 0.15em;
}

h2.sec {
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--amber);
  margin: 1.25rem 0 0.6rem;
  font-weight: 500;
}

h2.sec::before {
  content: "// ";
  color: var(--green-dim);
}

p, .prose {
  color: var(--white);
  margin-bottom: 0.75rem;
  max-width: 72ch;
}

.prose em { color: var(--cyan); font-style: normal; }

.muted { color: var(--mut); }
.cyan { color: var(--cyan); }
.amber { color: var(--amber); }
.pink { color: var(--pink); }
.dim { color: var(--green-dim); }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.75rem;
}

.card {
  border: 1px solid var(--border);
  background: rgba(0, 16, 10, 0.65);
  padding: 0.85rem;
}

.card h3 {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: 0.35rem;
  font-weight: 500;
}

.card .meta {
  font-size: 11px;
  color: var(--amber);
  margin-bottom: 0.5rem;
}

.card ul {
  margin-left: 1.1rem;
  color: var(--white);
  font-size: 12px;
}

.card ul li { margin-bottom: 0.3rem; }

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
}

.chip {
  border: 1px solid var(--border);
  color: var(--green);
  font-size: 10px;
  padding: 0.15rem 0.45rem;
  letter-spacing: 0.08em;
  background: rgba(0,0,0,0.4);
}

.chip.stinson { border-color: #3a6a9a; color: #7ec8ff; }
.chip.donald { border-color: #8a4a2a; color: #ffb07a; }
.chip.both { border-color: var(--border-bright); color: var(--cyan); }

/* LOBBY hero */
.hero-logo {
  text-align: center;
  margin: 0.5rem 0 1rem;
}
.hero-logo pre {
  display: inline-block;
  color: var(--cyan);
  font-size: clamp(6px, 1.1vw, 10px);
  line-height: 1.05;
  text-shadow: 0 0 10px rgba(102, 255, 224, 0.4);
  white-space: pre;
}
.hero-title {
  text-align: center;
  letter-spacing: 0.4em;
  font-size: 1.4rem;
  color: var(--green);
  text-shadow: 0 0 14px rgba(51,255,153,0.45);
  margin-bottom: 0.25rem;
}
.hero-tag {
  text-align: center;
  color: var(--mut);
  font-size: 11px;
  letter-spacing: 0.18em;
  margin-bottom: 1.25rem;
}

.menu-hint {
  font-size: 12px;
  color: var(--green-dim);
  margin-top: 0.5rem;
}
.menu-hint kbd {
  border: 1px solid var(--border);
  padding: 0 5px;
  color: var(--amber);
  font-family: inherit;
  font-size: 11px;
}

/* TIMELINE */
.tl-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.tl-filters button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--green-dim);
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
}
.tl-filters button:hover { color: var(--green); border-color: var(--green-dim); }
.tl-filters button.on {
  color: var(--bg);
  background: var(--green);
  border-color: var(--green);
  font-weight: 600;
}

.timeline {
  position: relative;
  padding-left: 1.5rem;
  margin-left: 0.5rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--border-bright), var(--green-dark));
  box-shadow: 0 0 8px rgba(45,255,154,0.3);
}

.tl-year {
  position: relative;
  margin: 1.25rem 0 0.5rem;
  color: var(--amber);
  letter-spacing: 0.25em;
  font-size: 13px;
}
.tl-year::before {
  content: "";
  position: absolute;
  left: -1.5rem;
  top: 0.35em;
  width: 10px;
  height: 10px;
  margin-left: -4px;
  background: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--amber);
}

.tl-item {
  position: relative;
  border: 1px solid var(--border);
  background: rgba(0, 14, 10, 0.7);
  padding: 0.65rem 0.85rem;
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
}
.tl-item:hover {
  border-color: var(--border-bright);
  transform: translateX(3px);
}
.tl-item::before {
  content: "";
  position: absolute;
  left: -1.5rem;
  top: 1rem;
  width: 8px;
  height: 2px;
  background: var(--border);
}
.tl-item .row1 {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  align-items: baseline;
}
.tl-item .artist {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.tl-item .title {
  color: var(--white);
  font-size: 13px;
}
.tl-item .type {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--pink);
  border: 1px solid #5a3040;
  padding: 0 5px;
}
.tl-item .label {
  font-size: 11px;
  color: var(--mut);
}
.tl-item .note {
  margin-top: 0.35rem;
  font-size: 12px;
  color: var(--green-dim);
  display: none;
}
.tl-item.open .note { display: block; }
.tl-item .note-text {
  color: var(--green-dim);
  margin-bottom: 0.45rem;
  font-size: 12px;
}
.tl-item .track-count {
  font-size: 10px;
  color: var(--amber);
  letter-spacing: 0.08em;
  border: 1px solid var(--border);
  padding: 0 5px;
}
.tracklist {
  margin: 0.25rem 0 0 1.1rem;
  color: var(--white);
  font-size: 12px;
  columns: 2;
  column-gap: 1.25rem;
}
.tracklist li {
  break-inside: avoid;
  margin-bottom: 0.2rem;
  color: var(--cyan);
}
.tracklist li::marker { color: var(--mut); }
.note-empty { font-size: 11px; color: var(--mut); margin: 0.25rem 0 0; }

/* Track listen (YouTube search) */
.tracklist li {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}
.tracklist .tname { flex: 1; min-width: 0; }
.track-play {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.15rem;
  font-size: 9px;
  line-height: 1;
  color: var(--amber);
  border: 1px solid var(--border);
  background: rgba(0, 20, 12, 0.6);
  text-decoration: none;
  letter-spacing: 0;
  border-radius: 2px;
  opacity: 0.85;
}
.track-play:hover {
  color: #020805;
  background: var(--amber);
  border-color: var(--amber);
  opacity: 1;
  text-shadow: none;
}

/* About page eyes glyph */
.eyes-about {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0.25rem 0 1.25rem;
  padding: 0.75rem 0.5rem 0.5rem;
  border: 1px solid var(--border);
  background: radial-gradient(ellipse at center, rgba(20, 60, 45, 0.35) 0%, rgba(2, 8, 5, 0.9) 70%);
  overflow-x: auto;
}
.eyes-ascii {
  margin: 0;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 7.5px;
  line-height: 1.05;
  color: var(--green);
  text-shadow: 0 0 6px rgba(51, 255, 153, 0.25);
  white-space: pre;
  user-select: none;
}
.eyes-caption {
  margin-top: 0.65rem;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--mut);
  text-align: center;
}
@media (min-width: 781px) {
  .eyes-ascii { font-size: 9px; }
}
@media (max-width: 480px) {
  .eyes-ascii { font-size: 5.5px; }
}

.tl-item.who-stinson { border-left: 3px solid #4a90d0; }
.tl-item.who-donald { border-left: 3px solid #d08040; }
.tl-item.who-both { border-left: 3px solid var(--border-bright); }

/* QUOTE */
.quote {
  border-left: 3px solid var(--cyan);
  padding: 0.5rem 0 0.5rem 1rem;
  margin: 0.75rem 0;
  color: var(--white);
  font-size: 13px;
}
.quote footer {
  margin-top: 0.35rem;
  color: var(--mut);
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* LINKS */
a.link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dotted var(--green-dim);
}
a.link:hover {
  color: #fff;
  border-bottom-color: var(--cyan);
  text-shadow: 0 0 8px rgba(102,255,224,0.4);
}

.file-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--green-dark);
  font-size: 12px;
}
.file-row .name { color: var(--cyan); }
.file-row .desc { color: var(--mut); text-align: right; }

/* PLACE LIST */
.place {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0.5rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--green-dark);
  font-size: 12px;
}
.place .n { color: var(--amber); letter-spacing: 0.06em; }
.place .d { color: var(--white); }

/* ---- BUTTONS ---- */
.btn.sm {
  font-size: 10px;
  padding: 0.35rem 0.65rem;
}
.logo-toggle-row {
  text-align: center;
  margin: -0.25rem 0 0.75rem;
}
.mobile-only { display: none; }

/* ---- VINYL BANNER (ASCII spinning press) ---- */
.vinyl-banner {
  display: flex;
  gap: 1.1rem;
  align-items: center;
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at 20% 50%, rgba(45,255,154,0.06), transparent 45%),
    rgba(0, 16, 10, 0.7);
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  overflow: hidden;
}
.vinyl-ascii-stage {
  position: relative;
  width: 220px;
  height: 220px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, #0a1a12 0%, #020805 70%);
  box-shadow:
    0 0 0 1px var(--border),
    0 0 28px rgba(45, 255, 154, 0.12),
    inset 0 0 40px rgba(0,0,0,0.65);
}
.vinyl-ascii-spin {
  display: grid;
  place-items: center;
  animation: spin-slow 22s linear infinite;
  transform-origin: center center;
  will-change: transform;
}
.vinyl-ascii {
  margin: 0;
  color: var(--cyan);
  font-size: 5.2px;
  line-height: 1.05;
  letter-spacing: 0;
  text-shadow: 0 0 6px rgba(102, 255, 224, 0.35);
  white-space: pre;
  user-select: none;
  text-align: center;
}
.vinyl-ascii.mobile-only-block { display: none; }
.vinyl-spindle {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #000;
  border: 1px solid var(--border-bright);
  box-shadow: 0 0 8px rgba(45,255,154,0.5);
  z-index: 2;
  pointer-events: none;
}
@keyframes spin-slow {
  to { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .vinyl-ascii-spin, .vinyl-img, .reel.spin { animation: none !important; }
}
.vinyl-meta h3 {
  color: var(--cyan);
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 500;
  margin: 0.25rem 0 0.4rem;
}
.tag-inline {
  font-size: 10px;
  color: var(--amber);
  letter-spacing: 0.15em;
}
.desktop-only { display: block; }

/* ---- KNOWLEDGE GRAPH ---- */
.graph-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.6rem;
}
.graph-wrap {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 0.75rem;
  align-items: stretch;
  min-height: 320px;
}
#kg-canvas {
  width: 100%;
  background:
    radial-gradient(ellipse at center, rgba(0,40,24,0.5) 0%, #020805 70%);
  border: 1px solid var(--border);
  touch-action: none;
  cursor: grab;
  display: block;
}
#kg-canvas:active { cursor: grabbing; }
.graph-panel {
  border: 1px solid var(--border);
  background: rgba(0, 14, 10, 0.85);
  padding: 0.75rem;
  font-size: 12px;
  overflow-y: auto;
  max-height: 560px;
}
.gp-empty {
  color: var(--mut);
  letter-spacing: 0.15em;
  font-size: 11px;
  text-align: center;
  margin-top: 2rem;
}
.gp-type {
  font-size: 10px;
  letter-spacing: 0.18em;
  margin-bottom: 0.25rem;
}
.gp-label {
  color: var(--white);
  font-size: 14px;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}
.gp-desc { color: var(--green-dim); margin-bottom: 0.5rem; }
.gp-group {
  font-size: 10px;
  color: var(--amber);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}
.gp-h {
  font-size: 10px;
  color: var(--mut);
  letter-spacing: 0.15em;
  margin-bottom: 0.35rem;
  font-weight: 500;
}
.gp-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.gp-links li {
  margin-bottom: 0.35rem;
  font-size: 11px;
  color: var(--white);
}
button.linkish {
  background: none;
  border: none;
  color: var(--cyan);
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}
button.linkish:hover { color: #fff; }

/* ---- INTERVIEWS / PHONE TAPE BOOTH ---- */
.tape-deck-head {
  display: flex;
  gap: 1rem;
  align-items: center;
  border: 1px solid #1a3020;
  background:
    linear-gradient(180deg, #0a100c 0%, #050806 100%);
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  box-shadow: inset 0 0 30px rgba(0,0,0,0.6);
}
.tape-reels {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
  padding: 0.45rem 0.55rem;
  background: #030605;
  border: 1px solid #24382c;
  border-radius: 4px;
}
.tape-reels.compact { padding: 0.35rem 0.45rem; }
.reel {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid #3a5a45;
  background:
    repeating-conic-gradient(from 0deg, #1a2a20 0deg 12deg, #0c1410 12deg 24deg);
  box-shadow: inset 0 0 8px #000, 0 0 6px rgba(45,255,154,0.1);
  position: relative;
}
.reel::after {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: #020805;
  border: 1px solid #2a4a35;
}
.reel.spin { animation: spin-slow 3.2s linear infinite; }
.reel.spin.reverse { animation-direction: reverse; animation-duration: 3.6s; }
.tape-window {
  width: 42px;
  height: 22px;
  background: #020805;
  border: 1px solid #2a4030;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  padding: 3px;
}
.tape-window.lit { box-shadow: 0 0 10px rgba(45,255,154,0.15); }
.vu {
  width: 4px;
  height: 40%;
  background: var(--green-dim);
  animation: vu 0.9s ease-in-out infinite alternate;
}
.vu:nth-child(2) { animation-delay: 0.2s; height: 70%; }
.vu:nth-child(3) { animation-delay: 0.4s; height: 50%; }
.vu:nth-child(4) { animation-delay: 0.1s; height: 85%; background: var(--amber); }
@keyframes vu {
  from { transform: scaleY(0.35); opacity: 0.5; }
  to { transform: scaleY(1); opacity: 1; }
}

.tape-player {
  margin-bottom: 1rem;
}
.tape-player-chrome {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  border: 1px solid #1a3020;
  background:
    linear-gradient(165deg, #0c1410 0%, #040806 55%, #0a0e0c 100%);
  padding: 1rem;
  box-shadow:
    inset 0 1px 0 rgba(45,255,154,0.08),
    inset 0 0 40px rgba(0,0,0,0.5);
}
.tape-player-meta { min-width: 0; flex: 1; }
.tape-transcript {
  background: #030806;
  border: 1px solid #1a2a20;
  padding: 0.75rem 1rem;
  box-shadow: inset 0 0 40px rgba(0,0,0,0.55);
}
.tape-transcript .iv-chapter {
  border-left-color: #2a4a35;
}
.tape-transcript .iv-chapter h3 {
  color: #c4a35a;
}
.tape-transcript .prose {
  color: #9ebfa8;
  font-size: 12.5px;
  line-height: 1.55;
}

.iv-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.75rem;
}
.iv-card {
  text-align: left;
  border: 1px solid var(--border);
  background: rgba(0, 16, 10, 0.65);
  padding: 0.85rem;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
  transition: border-color 0.15s, transform 0.15s;
}
.iv-card.tape-card {
  background:
    linear-gradient(180deg, #0e1612 0%, #070b09 100%);
  border-color: #243528;
  position: relative;
  padding-top: 1.35rem;
  box-shadow: inset 0 0 24px rgba(0,0,0,0.45);
}
.tape-label-strip {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  font-size: 9px;
  letter-spacing: 0.2em;
  color: #1a1208;
  background: linear-gradient(90deg, #c4a35a, #8a7340);
  padding: 0.2rem 0.55rem;
  font-weight: 600;
}
.iv-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-2px);
}
.iv-card.tape-card:hover {
  border-color: #3a5a45;
  box-shadow: 0 0 16px rgba(45,255,154,0.08), inset 0 0 24px rgba(0,0,0,0.45);
}
.iv-top {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.35rem;
}
.iv-subject {
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.08em;
}
.iv-title {
  font-size: 11px;
  color: var(--amber);
  margin-bottom: 0.4rem;
}
.iv-blurb {
  font-size: 12px;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.tape-card .iv-blurb { color: #a8c4b4; }
.iv-meta {
  font-size: 10px;
  color: var(--mut);
  letter-spacing: 0.08em;
}
.iv-detail-title {
  color: var(--cyan);
  letter-spacing: 0.12em;
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0.25rem 0;
}
.iv-chapter {
  border-left: 3px solid var(--border);
  padding: 0.35rem 0 0.35rem 0.85rem;
  margin-bottom: 0.85rem;
}
.iv-chapter h3 {
  color: var(--amber);
  font-size: 12px;
  letter-spacing: 0.12em;
  font-weight: 500;
  margin-bottom: 0.3rem;
}
.yt-wrap {
  margin-bottom: 1.25rem;
  border: 1px solid #1a2a20;
  background: #000;
  padding: 0.5rem;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
}
.yt-wrap iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  display: block;
  background: #000;
}

/* ---- MENU TOGGLE / MOBILE SHELL ---- */
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--cyan);
  font-family: inherit;
  font-size: 14px;
  width: 36px;
  height: 32px;
  cursor: pointer;
  line-height: 1;
  flex-shrink: 0;
}
.menu-toggle:hover {
  border-color: var(--border-bright);
  box-shadow: 0 0 10px rgba(45,255,154,0.2);
}
.nav-backdrop {
  display: none;
}

.hero-logo.braille pre {
  font-size: clamp(8px, 1.6vw, 13px);
  line-height: 1.15;
  letter-spacing: 0.02em;
}

/* MOBILE */
@media (max-width: 780px) {
  html, body {
    overflow: hidden;
    height: 100%;
    height: 100dvh;
  }
  .mobile-only { display: inline; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }

  .topbar {
    flex-wrap: nowrap;
    padding: 0.45rem 0.55rem;
    gap: 0.4rem;
  }
  .topbar .right { gap: 0.4rem; }
  .topbar .node-label { display: none; }
  .topbar .brand { letter-spacing: 0.12em; font-size: 11px; }
  .topbar #clock { font-size: 10px; }

  .shell { flex-direction: row; position: relative; min-height: 0; }

  /* drawer sidebar */
  .sidebar {
    position: fixed;
    z-index: 200;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(86vw, 300px);
    max-height: none;
    border-right: 1px solid var(--border-bright);
    border-bottom: none;
    transform: translateX(-105%);
    transition: transform 0.22s ease;
    box-shadow: 8px 0 32px rgba(0,0,0,0.55);
  }
  body.nav-open .sidebar {
    transform: translateX(0);
  }
  body.nav-open .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 150;
  }

  .board-list {
    display: block;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    padding: 0.35rem 0;
  }
  .board-list li button {
    white-space: normal;
    border-left: 3px solid transparent;
    border-bottom: none;
    padding: 0.7rem 0.85rem;
    font-size: 12px;
    min-height: 44px;
  }
  .board-list li button .bname { line-height: 1.3; }
  .board-list li button.active {
    border-left-color: var(--border-bright);
    border-bottom: none;
  }

  .board-header { padding: 0.65rem 0.85rem 0.45rem; }
  .board-header h1 { font-size: 0.92rem; letter-spacing: 0.12em; }
  .board-body {
    padding: 0.75rem 0.85rem 2rem;
    -webkit-overflow-scrolling: touch;
  }

  .place { grid-template-columns: 1fr; }
  .logo-ascii { font-size: 5.5px; }
  .hero-logo pre { font-size: 5.5px; }
  .hero-logo.braille pre { font-size: 7px; }
  .hero-title { font-size: 1.1rem; letter-spacing: 0.2em; }
  .login-box { padding: 1.1rem 1rem 1rem; }
  .login-row { flex-direction: column; }
  .login-row button { width: 100%; min-height: 44px; }
  .login-row input { min-height: 44px; font-size: 16px; /* prevent iOS zoom */ }

  .vinyl-banner { flex-direction: column; text-align: center; }
  .vinyl-ascii-stage {
    width: 168px;
    height: 168px;
  }
  .vinyl-ascii.desktop-only { display: none; }
  .vinyl-ascii.mobile-only-block {
    display: block;
    font-size: 5.4px;
  }
  .tape-deck-head, .tape-player-chrome {
    flex-direction: column;
    align-items: stretch;
  }
  .tape-reels { align-self: center; }

  .tracklist { columns: 1; }
  .tl-item .row1 { gap: 0.3rem 0.5rem; }
  .file-row {
    flex-direction: column;
    gap: 0.2rem;
  }
  .file-row .desc { text-align: left; }

  .graph-wrap {
    grid-template-columns: 1fr;
  }
  .graph-panel {
    max-height: 220px;
    order: 2;
  }
  #kg-canvas { order: 1; }

  .statusline {
    font-size: 9px;
    padding: 0.35rem 0.55rem;
    padding-bottom: max(0.35rem, env(safe-area-inset-bottom));
  }

  /* larger tap targets for filters */
  .tl-filters button {
    min-height: 36px;
    padding: 0.45rem 0.7rem;
  }
}

/* very small phones */
@media (max-width: 380px) {
  .hero-logo pre { font-size: 4.5px; }
  .brand-title { font-size: 1.25rem; letter-spacing: 0.18em; }
}

/* desktop: ensure menu toggle hidden */
@media (min-width: 781px) {
  .menu-toggle { display: none !important; }
  body.nav-open .nav-backdrop { display: none; }
}

/* boot typewriter */
.boot-line { color: var(--green-dim); font-size: 12px; }
.boot-line.ok { color: var(--green); }
.boot-line.warn { color: var(--amber); }