/* ──────────────────────────────────────────────────────────────────────────
 * SpaceQL game UI: menu, mission map, mission panel, HUD, result dialog.
 *
 * Direction: a flight-console readout, not a landing page. Flat surfaces,
 * 1px rules, lists instead of card grids, small uppercase labels, mono
 * numerals. Cyan marks data and interactive state; amber marks game state
 * (objectives, stars, the clock). No glows, gradients or bouncy motion.
 * ────────────────────────────────────────────────────────────────────────── */

:root {
  --bg: #0b0d10;
  --panel: #11141a;
  --panel-2: #161a21;
  --line: #242a33;
  --line-2: #323944;
  --text: #e4e6ea;
  --muted: #9aa1ac;
  --dim: #646b76;
  --accent: #00add8;
  --amber: #e9b949;
  --ok: #6fcf8e;
  --danger: #e5534b;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
}

/* JS-toggled visibility (Tailwind's .hidden is used for responsive rules) */
.is-hidden {
  display: none !important;
}

.label {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dim);
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 3px;
  border: 1px solid var(--line-2);
  background: transparent;
  color: var(--text);
  font-family: var(--mono);
  font-size: 12.5px;
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}
.btn:hover:not(:disabled) {
  border-color: var(--muted);
  background: var(--panel-2);
}
.btn:focus-visible,
.text-btn:focus-visible,
.mode-row:focus-visible,
.mission-row:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}
.btn:disabled {
  color: var(--dim);
  cursor: not-allowed;
}
.btn--primary {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
  font-weight: 600;
}
.btn--primary:hover:not(:disabled) {
  background: #fff;
  border-color: #fff;
}
.btn--sm {
  padding: 4px 9px;
  font-size: 11.5px;
}

.text-btn {
  background: none;
  border: none;
  padding: 2px 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
}
.text-btn:hover {
  color: var(--text);
}

.stars {
  font-family: var(--mono);
  letter-spacing: 0.1em;
  color: var(--amber);
}
.stars__off {
  color: var(--line-2);
}

.meter {
  display: block;
  height: 2px;
  background: var(--line);
}
.meter > span {
  display: block;
  height: 100%;
  background: var(--amber);
}

kbd {
  font-family: var(--mono);
  font-size: 11px;
  padding: 0 4px;
  border: 1px solid var(--line-2);
  border-radius: 2px;
  color: var(--muted);
}

/* ── Header / HUD ────────────────────────────────────────────────────────── */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
}
.brand .material-icons {
  font-size: 18px;
  color: var(--dim);
}
.brand:hover .material-icons {
  color: var(--text);
}

.hud {
  display: flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}
.hud-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  border-left: 1px solid var(--line);
  line-height: 20px;
}
.hud-item:first-child {
  border-left: none;
}
.hud-timer {
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}
.hud-timer--low {
  color: var(--danger);
  animation: blink 1s steps(2, start) infinite;
}
.hull {
  letter-spacing: 1px;
  color: var(--text);
}
.hull--off {
  color: var(--line-2);
}
.hud-rank .meter {
  width: 40px;
}
.hud-mode-label {
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 34vw;
}

@keyframes blink {
  to {
    opacity: 0.4;
  }
}

/* ── Overlay screens ─────────────────────────────────────────────────────── */

.screen {
  position: fixed;
  inset: 0;
  z-index: 900;
  overflow-y: auto;
  background: var(--bg);
  padding: 56px 16px 48px;
  font-family: var(--sans);
}
.screen__inner {
  max-width: 760px;
  margin: 0 auto;
}

/* Main menu */
.menu-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.menu-title {
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--text);
}
.menu-sub {
  margin-top: 8px;
}
.menu-rank {
  min-width: 190px;
  text-align: right;
}
.menu-rank strong {
  display: block;
  margin: 2px 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.menu-rank__xp {
  display: block;
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
}
.menu-intro {
  margin: 22px 0 26px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
}

.mode-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.mode-list li {
  border-bottom: 1px solid var(--line);
}
.mode-row {
  display: grid;
  grid-template-columns: 28px 130px 1fr auto;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  padding: 16px 10px;
  background: none;
  border: none;
  text-align: left;
  color: var(--text);
  cursor: pointer;
  transition: background 0.12s;
}
.mode-row:hover:not(:disabled) {
  background: var(--panel);
}
.mode-row:hover:not(:disabled) .mode-row__name::after {
  content: " →";
  color: var(--dim);
}
.mode-row:disabled {
  cursor: wait;
  opacity: 0.45;
}
.mode-row__key {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
}
.mode-row__name {
  font-size: 17px;
  font-weight: 600;
}
.mode-row--alert .mode-row__name {
  color: var(--danger);
}
.mode-row__desc {
  font-size: 14px;
  color: var(--muted);
}
.mode-row__meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}

.menu-loading {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
}
.menu-foot {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--dim);
}
.link-btn {
  background: none;
  border: none;
  color: var(--dim);
  font: inherit;
  cursor: pointer;
}
.link-btn:hover {
  color: var(--danger);
}

/* Mission map */
.map-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.map-title {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}
.map-summary {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}
.map-subtitle {
  margin: 12px 0 8px;
  font-size: 14px;
  color: var(--muted);
}
.map-body--campaign {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 40px;
}

.chapter {
  margin-top: 22px;
}
.chapter__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line-2);
}
.chapter__num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
}
.chapter__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.chapter__topic {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  text-align: right;
}

.mission-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.mission-list li {
  border-bottom: 1px solid var(--line);
}
.mission-row {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: baseline;
  gap: 10px;
  width: 100%;
  padding: 9px 6px;
  background: none;
  border: none;
  text-align: left;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
}
.mission-row:hover:not(.is-locked) {
  background: var(--panel);
}
.mission-row.is-locked {
  color: var(--dim);
  cursor: not-allowed;
}
.mission-row__id {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
}
.mission-row__state {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
}
.mission-row.is-next .mission-row__state {
  color: var(--accent);
}
.mission-row.is-next .mission-row__id {
  color: var(--accent);
}

.mission-list--boxed {
  border-top: 1px solid var(--line);
  margin-top: 16px;
}
.challenge-row {
  grid-template-columns: 34px 1fr 52px 110px;
  padding: 12px 6px;
}
.challenge-row small {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.45;
}
.mission-row__time {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--amber);
}
.challenge-row .mission-row__state {
  text-align: right;
}

/* ── Mission panel (above the editor) ────────────────────────────────────── */

.mission-panel {
  flex-shrink: 0;
  max-height: 48%;
  overflow-y: auto;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  padding: 12px 14px 12px;
  font-family: var(--sans);
  user-select: text;
}
.mission-panel--challenge {
  box-shadow: inset 2px 0 0 var(--amber);
}
.mission-panel--alert {
  box-shadow: inset 2px 0 0 var(--danger);
}
.mission-panel__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.mission-badge {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dim);
  white-space: nowrap;
}
.mission-panel--alert .mission-badge {
  color: var(--danger);
}
.mission-panel--challenge .mission-badge {
  color: var(--amber);
}
.mission-title {
  flex: 1;
  min-width: 0;
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mission-panel__body {
  margin-top: 8px;
}
.mission-panel.collapsed .mission-panel__body {
  display: none;
}
.mission-briefing {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.55;
}
.mission-objective {
  margin-top: 10px;
  padding: 2px 0 2px 12px;
  border-left: 2px solid var(--amber);
}
.mission-objective p {
  margin-top: 2px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
}
.mission-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--dim);
}
.mission-hints {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.hint {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
}
.hint--solution .label {
  color: var(--accent);
}
.hint code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  word-break: break-word;
}
.hint__use {
  background: none;
  border: none;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  cursor: pointer;
  white-space: nowrap;
}
.hint__use:hover {
  text-decoration: underline;
}
.mission-actions {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}
.mission-feedback {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
}
.mission-feedback:empty {
  display: none;
}
.mission-feedback--fail {
  color: var(--amber);
}
.mission-feedback--error {
  color: var(--danger);
}
.mission-feedback--ok {
  color: var(--ok);
}

/* ── Result dialog ───────────────────────────────────────────────────────── */

.result-modal {
  position: fixed;
  inset: 0;
  z-index: 950;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(11, 13, 16, 0.78);
  font-family: var(--sans);
}
.result-card {
  width: 100%;
  max-width: 400px;
  padding: 22px 22px 18px;
  border: 1px solid var(--line-2);
  border-radius: 4px;
  background: var(--panel);
  animation: rise 0.18s ease-out;
}
.result-title {
  margin-top: 6px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}
.result-card--fail .result-title {
  color: var(--danger);
}
.result-subtitle {
  margin-top: 2px;
  font-size: 14px;
  color: var(--muted);
}
.result-stars {
  margin-top: 14px;
  font-size: 22px;
}
.result-stars:empty {
  display: none;
}
.result-stats {
  margin: 16px 0 0;
  border-top: 1px solid var(--line);
}
.result-stats div {
  display: flex;
  justify-content: space-between;
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.result-stats dt {
  color: var(--muted);
}
.result-stats dd {
  margin: 0;
  font-family: var(--mono);
  color: var(--text);
}
.result-notes {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}
.result-notes:empty {
  display: none;
}
.result-notes p + p {
  margin-top: 4px;
}
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.result-actions .btn--primary {
  margin-left: auto;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .map-body--campaign {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .screen {
    padding: 28px 16px 32px;
  }
  .menu-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .menu-rank {
    text-align: left;
    width: 100%;
  }
  .mode-row {
    grid-template-columns: 22px 1fr auto;
    row-gap: 4px;
  }
  .mode-row__key {
    grid-area: 1 / 1;
  }
  .mode-row__name {
    grid-area: 1 / 2;
  }
  .mode-row__meta {
    grid-area: 1 / 3;
  }
  .mode-row__desc {
    grid-area: 2 / 2 / 3 / 4;
    font-size: 13px;
  }
  .challenge-row {
    grid-template-columns: 30px 1fr auto;
  }
  .challenge-row .mission-row__state {
    grid-column: 2 / -1;
    text-align: left;
  }
  .mission-panel {
    max-height: none;
  }
  .hud-rank .meter,
  .hud-mode-label {
    display: none;
  }
  .hud-item {
    padding: 0 8px;
  }
}