:root {
  --bg-color: #0c0d10;
  --terminal-bg: #14161d;
  --border-color: #2a2e3d;
  --text-green: #33ff66;
  --text-yellow: #f1fa8c;
  --text-cyan: #8be9fd;
  --text-red: #ff5555;
  --text-dim: #6272a4;
  --text-white: #f8f8f2;
  --font-mono: 'Courier New', Courier, Menlo, Consolas, Monaco, monospace;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-white);
  font-family: var(--font-mono);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  user-select: none;
}

header {
  width: 100%;
  max-width: 960px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1rem;
}

.title-group h1 {
  font-size: 1.25rem;
  color: var(--text-yellow);
  letter-spacing: 0.1em;
}

.title-group p {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.header-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.project-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.project-links a,
.packs-header > a {
  color: var(--text-cyan);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.35rem 0.55rem;
  font-size: 0.75rem;
  text-decoration: none;
}

.project-links a:hover,
.project-links a:focus-visible,
.packs-header > a:hover,
.packs-header > a:focus-visible {
  color: var(--text-white);
  border-color: var(--text-cyan);
  outline: 2px solid var(--text-cyan);
  outline-offset: 2px;
}

.app-project-links {
  position: fixed;
  top: max(0.5rem, env(safe-area-inset-top));
  right: max(0.5rem, env(safe-area-inset-right));
  z-index: 2;
  padding: 0.25rem;
  border-radius: 4px;
  background: color-mix(in srgb, var(--bg-color) 92%, transparent);
}

button {
  background: #212534;
  color: var(--text-cyan);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

button:hover {
  background: #2e3449;
  border-color: var(--text-cyan);
  color: var(--text-white);
}

button:active {
  transform: translateY(1px);
}

.btn-gold {
  border-color: var(--text-yellow);
  color: var(--text-yellow);
}
.btn-gold:hover {
  background: #38341b;
  border-color: #ffeb3b;
  color: #fff;
}

.main-layout {
  width: 100%;
  max-width: 960px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.terminal-container {
  background: var(--terminal-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  position: relative;
}

.message-bar {
  font-size: 0.95rem;
  min-height: 1.5rem;
  color: var(--text-yellow);
  margin-bottom: 0.5rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.viewport {
  background: #000000;
  border: 1px solid #1a1a24;
  border-radius: 4px;
  padding: 0.5rem;
  font-size: 1rem;
  line-height: 1.15;
  letter-spacing: 0.05em;
  color: var(--text-green);
  overflow-x: auto;
  white-space: pre;
  box-shadow: inset 0 0 10px rgba(0, 255, 100, 0.05);
}

.status-bar {
  margin-top: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-white);
}

.status-item {
  display: flex;
  gap: 0.35rem;
}

.status-label {
  color: var(--text-dim);
}

.status-val {
  color: var(--text-green);
  font-weight: bold;
}

.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}

.control-card {
  background: var(--terminal-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.75rem;
  font-size: 0.8rem;
}

.control-card h3 {
  font-size: 0.85rem;
  color: var(--text-cyan);
  margin-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 0.25rem;
}

.dpad {
  display: grid;
  grid-template-columns: repeat(3, 44px);
  gap: 4px;
  justify-content: center;
  margin: 0.5rem 0;
}

.dpad button {
  padding: 0.5rem 0;
  font-size: 0.9rem;
  font-weight: bold;
}

.action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
}

.agent-panel {
  background: var(--terminal-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.75rem;
  font-size: 0.8rem;
}

.agent-panel textarea {
  width: 100%;
  height: 120px;
  background: #000;
  color: var(--text-cyan);
  border: 1px solid var(--border-color);
  padding: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border-radius: 4px;
  resize: vertical;
  margin-top: 0.5rem;
}

/* Modal Dialogs */
dialog {
  background: #181b26;
  color: var(--text-white);
  border: 2px solid var(--text-cyan);
  border-radius: 8px;
  padding: 1.5rem;
  max-width: 540px;
  width: 90vw;
  margin: auto;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8);
}

dialog#leaderboardDialog {
  max-width: 880px;
  width: 95vw;
  border-color: var(--text-yellow);
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(2px);
}

.dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.dialog-header h2 {
  color: var(--text-yellow);
  font-size: 1.15rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.5rem;
}

.role-btn {
  padding: 0.5rem;
  text-align: left;
  font-size: 0.8rem;
  border: 1px solid var(--border-color);
  background: #14161f;
  color: var(--text-white);
  border-radius: 4px;
  cursor: pointer;
}

.role-btn.active {
  border-color: var(--text-green);
  background: #1b2820;
  color: var(--text-green);
}

.dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.start-btn {
  background: #256637;
  color: #fff;
  border-color: #33ff66;
}

.start-btn:hover {
  background: #2e8045;
}

/* Leaderboard Tables */
.tab-nav {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1rem;
}

.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  cursor: pointer;
  border-radius: 0;
}

.tab-btn.active {
  color: var(--text-yellow);
  border-bottom-color: var(--text-yellow);
  font-weight: bold;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  text-align: left;
  margin-top: 0.5rem;
}

.leaderboard-table th {
  background: #12141c;
  color: var(--text-cyan);
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.leaderboard-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid #1a1e2b;
}

.leaderboard-table tr:hover {
  background: #1b2030;
}

.arena-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  background: #12141c;
  padding: 0.75rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
}

.arena-status-pill {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: bold;
}
.pill-win { background: #164024; color: #33ff66; border: 1px solid #33ff66; }
.pill-dead { background: #4a1818; color: #ff5555; border: 1px solid #ff5555; }
.pill-running { background: #1b3848; color: #8be9fd; border: 1px solid #8be9fd; }

/* CRT Phosphor Mode */
body.crt-mode {
  --bg-color: #040804;
  --terminal-bg: #061107;
  --border-color: #173819;
  --text-green: #33ff66;
  --text-yellow: #99ff99;
  --text-cyan: #66ffbb;
  --text-white: #ddffdd;
  --text-dim: #2e6834;
}

body.crt-mode .viewport {
  color: #33ff66;
  text-shadow: 0 0 5px rgba(51, 255, 102, 0.75), 0 0 12px rgba(51, 255, 102, 0.35);
  background: radial-gradient(ellipse at center, #091a09 0%, #010401 100%);
  border-color: #1a4d1a;
  position: relative;
}

body.crt-mode .viewport::after {
  content: " ";
  display: block;
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.3) 50%), linear-gradient(90deg, rgba(0, 255, 0, 0.02), rgba(0, 255, 0, 0.01), rgba(0, 255, 0, 0.02));
  z-index: 2;
  background-size: 100% 3px, 6px 100%;
  pointer-events: none;
  animation: crtFlicker 0.15s infinite;
}

@keyframes crtFlicker {
  0% { opacity: 0.98; }
  50% { opacity: 1.0; }
  100% { opacity: 0.97; }
}

.inv-row {
  cursor: pointer;
  transition: background 0.1s ease;
}
.inv-row:hover {
  background: #23293d !important;
}
.inv-row.selected {
  background: #2a3552 !important;
  outline: 1px solid var(--text-cyan);
}
.buc-blessed { color: #f1fa8c; font-weight: bold; }
.buc-uncursed { color: #f8f8f2; }
.buc-cursed { color: #ff5555; font-weight: bold; }

/* ---- Pack manager ---- */
.packs-page { min-height: 100vh; }
.packs-header { display: flex; gap: 1rem; align-items: baseline; padding: .75rem 1rem; }
@media (max-width: 760px) {
  header, .packs-header { align-items: flex-start; flex-wrap: wrap; }
  .header-actions { justify-content: flex-start; }
  .packs-header .project-links { width: 100%; }
}
.packs-layout { display: grid; grid-template-columns: 260px 1fr; gap: 1rem; padding: 0 1rem 1rem; }
@media (max-width: 760px) { .packs-layout { grid-template-columns: 1fr; } }
.pack-list { list-style: none; padding: 0; margin: 0 0 .75rem; }
.pack-list button { width: 100%; text-align: left; padding: .4rem .5rem; }
.pack-list button.active { outline: 2px solid currentColor; }
.badge { font-size: .7rem; opacity: .7; margin-left: .35rem; }
.upload { display: block; margin: .4rem 0; font-size: .9rem; }
.drop-zone { border: 1px dashed currentColor; padding: 1rem; text-align: center; opacity: .7; margin-top: .5rem; }
.drop-zone.over { opacity: 1; }
.pack-error { color: #ff6b6b; white-space: pre-wrap; }
.tabs { display: flex; flex-wrap: wrap; gap: .25rem; margin-bottom: .75rem; }
.tabs button.active { font-weight: 700; text-decoration: underline; }
.grid { border-collapse: collapse; width: 100%; font-size: .85rem; }
.grid th, .grid td { padding: .25rem .5rem; border-bottom: 1px solid rgba(127,127,127,.25); text-align: left; }
.grid th { cursor: pointer; position: sticky; top: 0; }
.grid tr.changed td { background: rgba(255, 200, 0, .12); }
.grid tr.error td:first-child { color: #ff6b6b; }
.grid tr.warning td:first-child { color: #f0b429; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: .25rem 1rem; }
.actions { display: flex; gap: .5rem; margin-top: 1rem; }
.danger { color: #ff6b6b; }
.filter { margin-bottom: .5rem; width: min(320px, 100%); }
.packs-page a, #lnkManagePacks { color: var(--text-cyan); }
.packs-page .pack-error { color: var(--text-red); }

/* ---- Pack editor ---- */
.editor-bar { display: flex; gap: .5rem; align-items: center; margin-bottom: .5rem; }
.editor-bar .spacer { flex: 1; }
.editor-bar button.active { font-weight: 700; text-decoration: underline; }
#raw-text { width: 100%; font-family: ui-monospace, Menlo, monospace; font-size: .85rem; }
.entries fieldset { margin: 0 0 .5rem; }
.entries label { display: inline-flex; gap: .35rem; align-items: center; margin: .2rem .75rem .2rem 0; }
.entries input[type=number] { width: 6rem; }
.add-entry { display: flex; gap: .5rem; margin-top: .5rem; }
.notice { color: var(--text-yellow); }
.packs-main { min-width: 0; overflow-x: auto; }
.grid td code { white-space: pre-wrap; word-break: break-word; }