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

:root {
  --accent: #a0a0a0;
  --accent-light: #cccccc;
  --amber: #d4a050;
  --green: #6a9955;
  --text: #b0b0b0;
  --bg: #0a0a0a;
  --card-bg: #111111;
  --card-border: #222222;
  --title-bar: #1a1a1a;
  --prompt: #888888;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

body {
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'SF Mono',
               Menlo, Consolas, 'Liberation Mono', monospace;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 20px 32px;
}

/* scanlines */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent 0px, transparent 3px,
    rgba(0,0,0,0.06) 3px, rgba(0,0,0,0.06) 4px
  );
  pointer-events: none;
  z-index: 100;
}

/* vignette */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.5) 100%);
  pointer-events: none;
  z-index: 99;
}

/* ── terminal header ─────────────────────────────── */

.term-header {
  width: 100%;
  max-width: 920px;
  margin-bottom: 32px;
  font-size: 0.82rem;
  line-height: 1.8;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  overflow: hidden;
}

.term-bar {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  background: var(--title-bar);
  border-bottom: 1px solid var(--card-border);
  font-size: 0.7rem;
  color: #555;
}

.term-dots {
  display: flex;
  gap: 6px;
  margin-right: 10px;
}

.term-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #333;
}

.term-body {
  padding: 14px 16px;
  min-height: 110px;
  max-height: 380px;
  overflow-y: auto;
}

.term-body::-webkit-scrollbar       { width: 4px; }
.term-body::-webkit-scrollbar-track  { background: transparent; }
.term-body::-webkit-scrollbar-thumb  { background: #333; border-radius: 2px; }

.term-line {
  color: var(--text);
  opacity: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.term-line.visible { opacity: 1; }

.term-line .cmd  { color: var(--accent-light); }
.term-line .path { color: var(--amber); }
.term-line .dim  { color: #555; }
.term-line .ok   { color: var(--green); }

.prompt-text { color: var(--prompt); }

.input-line {
  display: flex;
  align-items: center;
  opacity: 0;
}
.input-line.visible { opacity: 1; }

.input-typed { color: var(--accent-light); margin-left: 4px; }

.cursor {
  display: inline-block;
  width: 7px;
  height: 1.15em;
  background: var(--accent-light);
  animation: blink 1s step-end infinite;
  margin-left: 1px;
}

/* ── site title ──────────────────────────────────── */

.site-title {
  width: 100%;
  max-width: 920px;
  margin-bottom: 10px;
  opacity: 0;
}
.site-title.visible { animation: fadeIn 0.3s ease forwards; }

.site-title h1 {
  color: var(--accent-light);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 1px;
}

.site-title p {
  color: #555;
  font-size: 0.75rem;
  margin-top: 4px;
}

/* ── card grid ───────────────────────────────────── */

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 920px;
  width: 100%;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  display: block;
  opacity: 0;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.card.show { animation: fadeIn 0.25s ease forwards; }

.card:hover {
  border-color: #444;
  box-shadow: 0 0 12px rgba(255,255,255,0.04);
}

.card.full { grid-column: 1 / -1; }

/* wip state */
.card.wip { border-color: rgba(212,160,80,0.25); cursor: default; }
.card.wip:hover { border-color: rgba(212,160,80,0.4); }
.card.wip .card-desc { color: #666; }

.card-bar {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  background: var(--title-bar);
  border-bottom: 1px solid var(--card-border);
  font-size: 0.72rem;
  color: var(--prompt);
}

.card-file { color: var(--text); flex: 1; }

.wip-badge {
  font-size: 0.55rem;
  color: var(--amber);
  border: 1px solid rgba(212,160,80,0.4);
  border-radius: 3px;
  padding: 2px 5px;
  margin-left: 8px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.card-body { padding: 16px; }

.card-title {
  color: var(--accent-light);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.card-desc {
  color: var(--text);
  font-size: 0.78rem;
  line-height: 1.6;
  margin-bottom: 14px;
}

.tag {
  display: inline-block;
  font-size: 0.65rem;
  color: #555;
  border: 1px solid #2a2a2a;
  border-radius: 3px;
  padding: 1px 6px;
  margin-right: 4px;
  margin-bottom: 4px;
}

.card-run {
  font-size: 0.75rem;
  color: var(--prompt);
  height: 1.2em;
  margin-top: 10px;
}

.card-run .typed { color: var(--accent-light); }

/* ── arcade overlay ──────────────────────────────── */

#arcade-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s;
  background: #050508;
}
#arcade-overlay.active { opacity: 1; pointer-events: auto; }

#arcade-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

.overlay-panel {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1010;
  background: rgba(0,0,0,0.8);
  align-items: center;
  justify-content: center;
}
.overlay-panel.show { display: flex; }

.panel-box {
  background: #0d0d0d;
  border: 1px solid #333;
  border-radius: 8px;
  padding: 32px 40px;
  text-align: center;
  font-family: inherit;
  min-width: 320px;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
}

.panel-title {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--accent-light);
  margin-bottom: 8px;
}

.final-score {
  font-size: 2.4rem;
  font-weight: 700;
  color: #ffcc00;
  margin-bottom: 16px;
}

.stat-rows {
  font-size: 0.75rem;
  color: #666;
  margin-bottom: 20px;
  line-height: 1.8;
}
.stat-rows .row { display: flex; justify-content: space-between; padding: 0 20px; }
.stat-rows .val { color: var(--accent-light); }

.save-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  justify-content: center;
}
.save-row input {
  font-family: inherit;
  font-size: 0.8rem;
  padding: 8px 12px;
  background: #111;
  border: 1px solid #333;
  border-radius: 4px;
  color: var(--accent-light);
  outline: none;
  width: 140px;
}
.save-row input:focus { border-color: var(--amber); }
.save-row input::placeholder { color: #444; }

.saved-msg { color: var(--green); font-size: 0.75rem; margin-bottom: 12px; }

.lb-list { margin: 16px 0; text-align: left; }
.lb-head, .lb-entry { display: flex; font-size: 0.7rem; padding: 4px 0; gap: 4px; }
.lb-head { color: #555; border-bottom: 1px solid #222; padding-bottom: 6px; margin-bottom: 4px; }
.lb-entry { color: #888; }
.lb-rank  { width: 24px; text-align: center; }
.lb-name  { flex: 1; }
.lb-pts   { width: 50px; text-align: right; color: #ffcc00; }
.lb-cmb   { width: 36px; text-align: right; color: #cc66ff; }
.lb-acc   { width: 36px; text-align: right; color: #66aaff; }
.lb-gold   .lb-name { color: #ffcc00; }
.lb-silver .lb-name { color: #c0c0c0; }
.lb-bronze .lb-name { color: #cd7f32; }
.lb-empty { color: #444; font-size: 0.75rem; padding: 12px 0; text-align: center; }

.btn-row { display: flex; gap: 12px; justify-content: center; margin-top: 16px; }

.btn {
  font-family: inherit;
  font-size: 0.8rem;
  padding: 8px 24px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid #333;
  transition: all 0.15s;
  background: transparent;
  color: var(--text);
}
.btn:hover { background: #222; }

.btn-primary {
  background: var(--amber);
  color: #000;
  border-color: var(--amber);
}
.btn-primary:hover { background: #e0b060; }

/* ── footer ──────────────────────────────────────── */

.footer {
  margin-top: auto;
  padding-top: 40px;
  font-size: 0.65rem;
  color: #333;
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}
.footer span { color: #444; }

/* ── page layout (subpages) ──────────────────────── */

.page-header {
  width: 100%;
  max-width: 920px;
  margin-bottom: 24px;
}

.back-link {
  color: #555;
  text-decoration: none;
  font-size: 0.72rem;
}
.back-link:hover { color: var(--accent-light); }

.page-header h1 {
  color: var(--accent-light);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-top: 8px;
}

.page-header .sub {
  color: #555;
  font-size: 0.75rem;
  margin-top: 4px;
}

.page-content {
  width: 100%;
  max-width: 920px;
}

/* ── forms ───────────────────────────────────────── */

.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  font-size: 0.72rem;
  color: #555;
  margin-bottom: 4px;
}

.form-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  align-items: flex-end;
}

.form-input,
.form-textarea,
.form-select,
.code-input {
  font-family: inherit;
  font-size: 0.82rem;
  padding: 10px 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  color: var(--accent-light);
  outline: none;
  width: 100%;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus,
.code-input:focus {
  border-color: var(--amber);
}

.form-input::placeholder,
.form-textarea::placeholder,
.code-input::placeholder {
  color: #444;
}

.form-select {
  cursor: pointer;
  width: auto;
  min-width: 120px;
}

.code-input {
  resize: vertical;
  line-height: 1.6;
  tab-size: 2;
}

/* ── result / error boxes ────────────────────────── */

.result-box {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  font-size: 0.82rem;
}

.result-label {
  color: #555;
}

.result-link {
  color: var(--amber);
  text-decoration: none;
  word-break: break-all;
}
.result-link:hover { text-decoration: underline; }

.copy-btn {
  font-size: 0.7rem;
  padding: 4px 10px;
  margin-left: auto;
  white-space: nowrap;
}

.error-msg {
  color: #cc4444;
  font-size: 0.78rem;
  margin-top: 8px;
}

/* ── code display (paste viewer) ─────────────────── */

.code-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--title-bar);
  border: 1px solid var(--card-border);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  font-size: 0.72rem;
}

.code-lang {
  color: var(--amber);
}

.code-display {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 0 0 6px 6px;
  padding: 16px;
  margin: 0;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.7;
  tab-size: 2;
}

.code-display code {
  font-family: inherit;
  color: var(--text);
}

/* syntax tokens */
.tok-kw  { color: #c586c0; }
.tok-str { color: #ce9178; }
.tok-num { color: #b5cea8; }
.tok-cmt { color: #6a9955; }

/* ── guestbook entries ───────────────────────────── */

.gb-form {
  margin-bottom: 32px;
}

.gb-entries {
  margin-bottom: 16px;
}

.gb-loading {
  color: #444;
  font-size: 0.78rem;
  padding: 16px 0;
  text-align: center;
}

.gb-entry {
  padding: 12px 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  margin-bottom: 8px;
}

.gb-entry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.gb-entry-name {
  color: var(--amber);
  font-size: 0.82rem;
  font-weight: 600;
}

.gb-entry-date {
  color: #444;
  font-size: 0.68rem;
}

.gb-entry-msg {
  color: var(--text);
  font-size: 0.78rem;
  line-height: 1.6;
  white-space: pre-wrap;
}

/* ── pagination ──────────────────────────────────── */

.pagination {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 16px;
}

.page-btn {
  font-family: inherit;
  font-size: 0.72rem;
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--card-border);
  border-radius: 3px;
  color: var(--text);
  cursor: pointer;
}
.page-btn:hover { border-color: #444; }
.page-btn.active {
  background: var(--amber);
  color: #000;
  border-color: var(--amber);
}

/* ── link history ────────────────────────────────── */

.section-title {
  color: #555;
  font-size: 0.78rem;
  font-weight: 400;
  margin-bottom: 12px;
  margin-top: 24px;
}

.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  margin-bottom: 4px;
  font-size: 0.75rem;
}

.history-short {
  color: var(--amber);
  text-decoration: none;
}
.history-short:hover { text-decoration: underline; }

.history-url {
  color: #555;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-left: 12px;
}

/* ── typing test ─────────────────────────────────── */

.typing-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.timer-row {
  display: flex;
  gap: 8px;
}

.timer-btn {
  font-size: 0.75rem;
  padding: 6px 16px;
}
.timer-btn.active {
  background: var(--amber);
  color: #000;
  border-color: var(--amber);
}

.typing-stats {
  display: flex;
  gap: 20px;
}

.stat {
  font-size: 0.82rem;
  color: var(--accent-light);
}

.stat-label {
  color: #555;
  font-size: 0.7rem;
  margin-right: 4px;
}

.typing-area {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 20px;
  min-height: 120px;
  cursor: text;
}

.typing-text {
  font-size: 1rem;
  line-height: 2;
  letter-spacing: 0.5px;
  word-wrap: break-word;
}

.tt-char {
  color: #444;
  border-bottom: 2px solid transparent;
}

.tt-char.tt-current {
  border-bottom-color: var(--amber);
  color: #666;
}

.tt-char.tt-correct {
  color: var(--accent-light);
}

.tt-char.tt-wrong {
  color: #cc4444;
  background: rgba(204, 68, 68, 0.15);
}

.typing-result {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  padding: 24px;
  margin-bottom: 24px;
  text-align: center;
}

.result-title {
  color: #555;
  font-size: 0.78rem;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.result-stats {
  margin-bottom: 16px;
}

.result-big {
  font-size: 2rem;
  font-weight: 700;
  color: var(--amber);
  margin-bottom: 8px;
}

.result-unit {
  font-size: 0.82rem;
  color: #555;
  font-weight: 400;
}

.result-detail {
  font-size: 0.78rem;
  color: var(--text);
  margin-bottom: 4px;
}

.typing-leaderboard {
  margin-top: 32px;
}

.tt-lb-head, .tt-lb-entry {
  display: flex;
  font-size: 0.75rem;
  padding: 6px 0;
  gap: 8px;
}

.tt-lb-head {
  color: #555;
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 4px;
}

.tt-lb-entry {
  color: #888;
}

.tt-lb-rank { width: 28px; text-align: center; }
.tt-lb-name { flex: 1; }
.tt-lb-wpm  { width: 50px; text-align: right; color: var(--amber); }
.tt-lb-acc  { width: 50px; text-align: right; color: #66aaff; }

/* ── responsive ──────────────────────────────────── */

@media (max-width: 768px) {
  body { padding: 32px 16px 24px; }
  .site-title h1 { font-size: 1.1rem; }
  .cards { gap: 16px; }
  .form-row { flex-direction: column; }
  .typing-controls { flex-direction: column; gap: 12px; align-items: flex-start; }
}

@media (max-width: 520px) {
  .cards { grid-template-columns: 1fr; }
  .card.full { grid-column: auto; }
  .term-header { font-size: 0.76rem; }
  .result-box { flex-wrap: wrap; }
  .history-item { flex-direction: column; align-items: flex-start; gap: 4px; }
  .history-url { margin-left: 0; }
}