/* ═══════════════════════════════════════════════════════════
   surreal.red TUI — terminal-style interface
   ═══════════════════════════════════════════════════════════ */

@font-face {
  font-family: 'Sarasa Mono SC';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/Sarasa-Mono-SC-Regular.woff2') format('woff2');
}

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

/* Theme default (dos-blue) — overridden by [data-theme] */
:root {
  --tui-bg: #0000aa;
  --tui-fg: #ffffff;
  --tui-accent: #ffff55;
  --tui-highlight: #ff55ff;
  --tui-dim: #7777cc;
  --tui-panel: #0000aa;
  --tui-selected-bg: #00aa00;
  --tui-selected-fg: #ffff55;
  --tui-border: #ffffff;
}

[data-theme="dos-blue"] {
  --tui-bg: #0000aa;
  --tui-fg: #ffffff;
  --tui-accent: #ffff55;
  --tui-highlight: #ff55ff;
  --tui-dim: #7777cc;
  --tui-selected-bg: #00aaaa;
  --tui-selected-fg: #000000;
  --tui-border: #ffffff;
}

[data-theme="ibm-3270"] {
  --tui-bg: #000000;
  --tui-fg: #00ff00;
  --tui-accent: #00dddd;
  --tui-highlight: #ffffff;
  --tui-dim: #008800;
  --tui-selected-bg: #00aa00;
  --tui-selected-fg: #000000;
  --tui-border: #00aa00;
}

[data-theme="amber-crt"] {
  --tui-bg: #0a0600;
  --tui-fg: #ffb000;
  --tui-accent: #ff8000;
  --tui-highlight: #ffffff;
  --tui-dim: #774400;
  --tui-selected-bg: #663300;
  --tui-selected-fg: #ffff00;
  --tui-border: #aa6600;
}

[data-theme="phosphor"] {
  --tui-bg: #0a0a0a;
  --tui-fg: #33ff33;
  --tui-accent: #66ff66;
  --tui-highlight: #ffffff;
  --tui-dim: #226622;
  --tui-selected-bg: #003300;
  --tui-selected-fg: #aaffaa;
  --tui-border: #22aa22;
}

[data-theme="solarized-dark"] {
  --tui-bg: #002b36;
  --tui-fg: #839496;
  --tui-accent: #b58900;
  --tui-highlight: #268bd2;
  --tui-dim: #586e75;
  --tui-selected-bg: #073642;
  --tui-selected-fg: #eee8d5;
  --tui-border: #586e75;
}

[data-theme="nord"] {
  --tui-bg: #2e3440;
  --tui-fg: #d8dee9;
  --tui-accent: #88c0d0;
  --tui-highlight: #bf616a;
  --tui-dim: #4c566a;
  --tui-selected-bg: #434c5e;
  --tui-selected-fg: #eceff4;
  --tui-border: #4c566a;
}

[data-theme="gruvbox"] {
  --tui-bg: #282828;
  --tui-fg: #ebdbb2;
  --tui-accent: #fabd2f;
  --tui-highlight: #fb4934;
  --tui-dim: #928374;
  --tui-selected-bg: #3c3836;
  --tui-selected-fg: #fbf1c7;
  --tui-border: #7c6f64;
}

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

.tui-body {
  font-family: 'Sarasa Mono SC', 'Fira Code', 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.3;
  background: var(--tui-bg);
  color: var(--tui-fg);
  user-select: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.tui-screen {
  width: 100vw;
  height: 100vh;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tui-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 14px;
  color: var(--tui-dim);
}
.tui-loading .dot { animation: dotblink 1s steps(2) infinite; }
.tui-loading .dot:nth-child(2) { animation-delay: 0.2s; }
.tui-loading .dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes dotblink { 50% { opacity: 0; } }

/* ── Panels ──────────────────────────────────────────────── */

.tui-panel {
  border: 1px solid var(--tui-border);
  padding: 4px 8px;
  color: var(--tui-fg);
  background: var(--tui-bg);
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.tui-panel.focused {
  border-color: var(--tui-accent);
}

.tui-panel-title {
  position: absolute;
  top: -0.7em;
  left: 12px;
  padding: 0 6px;
  background: var(--tui-bg);
  color: var(--tui-accent);
  font-size: 12px;
  letter-spacing: 0.05em;
}

.tui-panel.focused .tui-panel-title {
  color: var(--tui-highlight);
}

/* ── Layout ──────────────────────────────────────────────── */

.tui-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 10px;
  border: 1px solid var(--tui-border);
  flex-shrink: 0;
  gap: 16px;
}
.tui-header .brand {
  color: var(--tui-accent);
  letter-spacing: 0.08em;
  font-weight: bold;
}
.tui-header .brand-link {
  color: inherit;
  text-decoration: none;
}
.tui-header .brand-link:hover {
  color: var(--tui-highlight);
  text-decoration: underline;
}
.tui-header .hints {
  font-size: 12px;
  color: var(--tui-dim);
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.tui-header .hints .k {
  color: var(--tui-accent);
  padding-right: 2px;
}

.tui-main {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 2fr;
  gap: 8px;
  min-height: 0;
}

.tui-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 10px;
  font-size: 12px;
  color: var(--tui-dim);
  border: 1px solid var(--tui-border);
  flex-shrink: 0;
  gap: 16px;
}

.tui-footer .filter-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tui-footer .ft {
  cursor: pointer;
}
.tui-footer .ft .k {
  color: var(--tui-accent);
}
.tui-footer .ft.active {
  color: var(--tui-highlight);
}

/* ── Works list ──────────────────────────────────────────── */

.tui-list {
  overflow-y: auto;
  padding: 4px 0;
}

.tui-row {
  padding: 2px 8px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: grid;
  grid-template-columns: 14px 56px 1fr auto;
  gap: 6px;
  align-items: center;
}

.tui-row .marker { color: var(--tui-dim); }
.tui-row .year { color: var(--tui-accent); }
.tui-row .title { overflow: hidden; text-overflow: ellipsis; }
.tui-row .tags { font-size: 11px; color: var(--tui-dim); }

.tui-row.current .marker { color: var(--tui-accent); }
.tui-row.current .marker::before { content: "▸"; }
.tui-row:not(.current) .marker::before { content: " "; }

.tui-row.current {
  background: var(--tui-selected-bg);
  color: var(--tui-selected-fg);
}
.tui-row.current .year,
.tui-row.current .tags {
  color: var(--tui-selected-fg);
}

.tui-panel.focused .tui-row.current {
  background: var(--tui-accent);
  color: var(--tui-bg);
}
.tui-panel.focused .tui-row.current .year,
.tui-panel.focused .tui-row.current .tags {
  color: var(--tui-bg);
}

/* ── Detail pane ─────────────────────────────────────────── */

.tui-lang-tabs {
  display: flex;
  gap: 10px;
  padding: 4px 10px 8px;
  border-bottom: 1px dashed var(--tui-border);
  font-size: 12px;
}

.tui-lang-tab {
  color: var(--tui-dim);
  cursor: pointer;
  letter-spacing: 0.05em;
  padding: 2px 4px;
}

.tui-lang-tab:hover {
  color: var(--tui-fg);
}

.tui-lang-tab.active {
  color: var(--tui-accent);
  background: var(--tui-selected-bg);
}

.tui-detail {
  overflow-y: auto;
  padding: 10px;
  flex: 1;
  min-height: 0;
}

.tui-detail h1 {
  font-size: 18px;
  font-weight: bold;
  color: var(--tui-highlight);
  margin-bottom: 2px;
  letter-spacing: 0.02em;
}

.tui-detail .sub {
  color: var(--tui-accent);
  font-size: 13px;
  margin-bottom: 12px;
}

.tui-detail .meta-line {
  color: var(--tui-dim);
  font-size: 12px;
  margin-bottom: 12px;
  border-bottom: 1px dashed var(--tui-border);
  padding-bottom: 8px;
}

.tui-detail .meta-line .label {
  color: var(--tui-accent);
  padding-right: 6px;
}

.tui-detail .desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--tui-fg);
  margin-bottom: 16px;
}

.tui-detail .actions {
  font-size: 12px;
  color: var(--tui-dim);
  margin-top: 24px;
  padding-top: 8px;
  border-top: 1px dashed var(--tui-border);
}

.tui-detail .actions .k {
  color: var(--tui-accent);
  padding-right: 4px;
}

.tui-detail .ascii-placeholder {
  color: var(--tui-dim);
  font-size: 11px;
  white-space: pre;
  margin: 10px 0;
  opacity: 0.6;
}

.tui-detail .empty {
  color: var(--tui-dim);
  text-align: center;
  padding-top: 40%;
}

.tui-detail .reader-text {
  font-family: inherit;
  font-size: 13px;
  line-height: 1.7;
  color: var(--tui-fg);
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0 0 16px;
}

.tui-detail .reader-lang {
  margin-top: 16px;
}

.tui-detail .reader-lang-label {
  color: var(--tui-accent);
  font-size: 11px;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.tui-detail .reader-gallery {
  font-size: 12px;
  color: var(--tui-dim);
  line-height: 1.7;
}
.tui-detail .reader-gallery .reader-file {
  color: var(--tui-fg);
  display: block;
}

.tui-detail .loading-dots .dot {
  animation: dotblink 1s steps(2) infinite;
}
.tui-detail .loading-dots .dot:nth-child(2) { animation-delay: 0.2s; }
.tui-detail .loading-dots .dot:nth-child(3) { animation-delay: 0.4s; }

/* ── ASCII image rendering ───────────────────────────────── */

.ascii-cover {
  font-family: inherit;
  font-size: 8px;
  line-height: 1;
  letter-spacing: 0;
  margin: 0 0 20px;
  padding: 0;
  white-space: pre;
  overflow: hidden;
  display: block;
  width: 100%;
}
.ascii-cover .ac-row { display: block; }

.ascii-mono {
  font-family: inherit;
  font-size: 10px;
  line-height: 1;
  color: var(--tui-fg);
  white-space: pre;
  margin: 0 0 20px;
  padding: 0;
  overflow: hidden;
  width: 100%;
}

.ascii-loading {
  color: var(--tui-dim);
  font-size: 11px;
  padding: 12px 0;
}
.ascii-loading .dot { animation: dotblink 1s steps(2) infinite; }
.ascii-loading .dot:nth-child(2) { animation-delay: 0.2s; }
.ascii-loading .dot:nth-child(3) { animation-delay: 0.4s; }

/* ── Reader (fullscreen work view) ───────────────────────── */

.tui-reader-panel {
  position: relative;
}

.tui-reader {
  overflow-y: auto;
  padding: 12px 24px 24px;
  max-width: 780px;
  margin: 0 auto;
  width: 100%;
  flex: 1;
}

.tui-reader h1 {
  font-size: 22px;
  font-weight: bold;
  color: var(--tui-highlight);
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}

.tui-reader .sub {
  color: var(--tui-accent);
  font-size: 13px;
  margin-bottom: 14px;
}

.tui-reader .meta-line {
  color: var(--tui-dim);
  font-size: 12px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--tui-border);
}
.tui-reader .meta-line .label {
  color: var(--tui-accent);
  padding-right: 6px;
}

.tui-reader .reader-lang {
  margin-top: 20px;
}

.tui-reader .reader-lang-label {
  color: var(--tui-accent);
  font-size: 11px;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.tui-reader .reader-text {
  font-family: inherit;
  font-size: 13px;
  line-height: 1.7;
  color: var(--tui-fg);
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}

.tui-reader .reader-gallery {
  font-size: 12px;
  color: var(--tui-dim);
  line-height: 1.7;
}
.tui-reader .reader-gallery .reader-file {
  color: var(--tui-fg);
}

.tui-reader a,
.tui-reader .reader-text a {
  color: var(--tui-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Scrollbars (webkit) ─────────────────────────────────── */

.tui-list::-webkit-scrollbar,
.tui-detail::-webkit-scrollbar,
.tui-reader::-webkit-scrollbar {
  width: 8px;
}
.tui-list::-webkit-scrollbar-track,
.tui-detail::-webkit-scrollbar-track,
.tui-reader::-webkit-scrollbar-track {
  background: var(--tui-bg);
}
.tui-list::-webkit-scrollbar-thumb,
.tui-detail::-webkit-scrollbar-thumb,
.tui-reader::-webkit-scrollbar-thumb {
  background: var(--tui-dim);
  border: 1px solid var(--tui-bg);
}

/* ── Theme picker modal ──────────────────────────────────── */

.tui-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.tui-modal-box {
  background: var(--tui-bg);
  border: 1px solid var(--tui-accent);
  padding: 16px 20px;
  min-width: 320px;
}

.tui-modal-title {
  color: var(--tui-accent);
  font-size: 12px;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--tui-border);
}

.tui-modal-list .tui-row {
  grid-template-columns: 14px 1fr auto;
}

.tui-modal-footer {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--tui-border);
  font-size: 11px;
  color: var(--tui-dim);
}
.tui-modal-footer .k { color: var(--tui-accent); }

/* ── Mobile fallback ─────────────────────────────────────── */

@media (max-width: 720px) {
  .tui-screen {
    padding: 4px;
  }
  .tui-main {
    grid-template-columns: 1fr;
    grid-template-rows: 40% 1fr;
  }
  .tui-header .hints { font-size: 10px; }
  .tui-body { font-size: 12px; }
}