:root {
  --bg-0: #06090f;
  --bg-1: #0b1220;
  --bg-2: #111a2a;
  --panel: rgba(10, 17, 30, 0.88);
  --line: rgba(105, 162, 207, 0.2);
  --line-strong: rgba(140, 196, 255, 0.4);

  --text-main: #e0eeff;
  --text-dim: #6a8aac;
  --text-soft: #98b6d4;

  --sig-green: #4ecb65;
  --sig-amber: #f5b23a;
  --sig-red: #f04f4f;
  --signal-cyan: #5ecfff;

  --cosmo: #cce8ff;
  --system: #6ae0ff;
  --player: #ffc96a;

  --shadow: 0 28px 70px rgba(1, 5, 14, 0.7);

  --font-mono: "Space Mono", monospace;
  --font-crt: "VT323", monospace;
}

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

html, body {
  height: 100%;
}

body {
  font-family: var(--font-mono);
  color: var(--text-main);
  background:
    radial-gradient(circle at 18% 14%, rgba(60, 130, 255, 0.18) 0, transparent 30%),
    radial-gradient(circle at 82% 85%, rgba(255, 120, 40, 0.12) 0, transparent 36%),
    linear-gradient(165deg, var(--bg-0) 0%, var(--bg-1) 44%, var(--bg-2) 100%);
  overflow: hidden;
}

/* ── Overlays ─────────────────────────────────────────── */
.crt-overlay,
.scanline-overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 90;
}

.crt-overlay {
  background:
    radial-gradient(ellipse at center, transparent 58%, rgba(0, 0, 0, 0.55) 100%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.012) 0 1px, transparent 1px 3px);
  mix-blend-mode: screen;
}

.scanline-overlay {
  opacity: 0.13;
  background: linear-gradient(180deg, transparent 0%, rgba(120, 180, 255, 0.06) 50%, transparent 100%);
  animation: scan 12s linear infinite;
}

/* ── Splash ───────────────────────────────────────────── */
.splash {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: rgba(2, 5, 10, 0.95);
  backdrop-filter: blur(8px);
}

.splash.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.splash-panel {
  width: min(680px, 92vw);
  border: 1px solid rgba(80, 180, 255, 0.18);
  border-radius: 18px;
  padding: 40px 36px;
  background: linear-gradient(160deg, rgba(8, 16, 30, 0.98) 0%, rgba(5, 10, 18, 0.98) 100%);
  box-shadow: 0 0 80px rgba(80, 200, 255, 0.05), var(--shadow);
  position: relative;
  overflow: hidden;
}

.splash-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(94, 207, 255, 0.5), transparent);
}

.splash-kicker {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.splash h1 {
  font-family: var(--font-crt);
  font-size: clamp(3rem, 7.5vw, 5.2rem);
  letter-spacing: 0.1em;
  color: var(--signal-cyan);
  text-shadow: 0 0 32px rgba(94, 207, 255, 0.4), 0 0 80px rgba(94, 207, 255, 0.12);
  margin-bottom: 2px;
  line-height: 1;
}

.splash-sub {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 22px;
}

.splash-text {
  font-size: 0.94rem;
  color: var(--text-soft);
  max-width: 52ch;
  line-height: 1.7;
  margin-bottom: 28px;
  border-left: 2px solid rgba(94, 207, 255, 0.28);
  padding-left: 14px;
}

.splash-btn {
  border: 1px solid rgba(94, 207, 255, 0.5);
  background: linear-gradient(130deg, rgba(40, 150, 200, 0.14) 0%, rgba(10, 90, 150, 0.2) 100%);
  color: var(--text-main);
  border-radius: 8px;
  padding: 13px 22px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.splash-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(94, 207, 255, 0.85);
  box-shadow: 0 8px 28px rgba(20, 120, 180, 0.28), 0 0 18px rgba(94, 207, 255, 0.14);
}

.resume-hint {
  margin-top: 14px;
  font-size: 0.78rem;
  color: #7ab8d8;
  letter-spacing: 0.04em;
}

.hidden {
  display: none !important;
}

/* ── Topbar ───────────────────────────────────────────── */
.topbar {
  position: relative;
  z-index: 6;
  height: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 8px 16px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(7, 12, 22, 0.95) 0%, rgba(7, 12, 22, 0.75) 100%);
  backdrop-filter: blur(10px);
}

.topbar-col {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.topbar-col.center {
  text-align: center;
  align-items: center;
}

.topbar-col.right {
  align-items: flex-end;
}

.label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-dim);
}

.topbar strong {
  font-family: var(--font-crt);
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  color: var(--text-main);
}

#signal-status.good { color: var(--sig-green); }
#signal-status.mid  { color: var(--sig-amber); }
#signal-status.bad  { color: var(--sig-red); }

.reset-btn {
  border: 1px solid rgba(240, 80, 80, 0.38);
  background: rgba(240, 80, 80, 0.07);
  color: #f0a0a0;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 7px 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.reset-btn:hover {
  border-color: rgba(240, 80, 80, 0.65);
  background: rgba(240, 80, 80, 0.14);
}

/* ── Layout ───────────────────────────────────────────── */
.telemetry {
  display: none !important;
}

.layout {
  height: calc(100% - 60px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 12px;
  position: relative;
  z-index: 4;
}

.telemetry,
.transmission {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* ── Telemetry ────────────────────────────────────────── */
.telemetry {
  display: flex;
  flex-direction: column;
  padding: 14px;
  gap: 12px;
}

.telemetry h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  border-bottom: 1px solid var(--line);
  padding-bottom: 9px;
}

.clock-block {
  border: 1px solid rgba(130, 170, 220, 0.2);
  border-radius: 10px;
  background: rgba(6, 12, 22, 0.6);
  padding: 10px 12px;
}

.clock-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  display: block;
  margin-bottom: 4px;
}

#mission-clock {
  display: block;
  font-family: var(--font-crt);
  letter-spacing: 0.05em;
  font-size: 1.25rem;
  color: var(--signal-cyan);
}

.stat-list {
  display: grid;
  gap: 8px;
}

.stat-row {
  border: 1px solid rgba(120, 160, 210, 0.18);
  border-radius: 8px;
  background: rgba(7, 13, 22, 0.6);
  padding: 8px 10px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px;
  align-items: center;
}

.stat-row span {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.stat-row strong {
  font-family: var(--font-crt);
  font-size: 1.25rem;
  color: var(--text-main);
}

.bar {
  grid-column: 1 / -1;
  height: 4px;
  border-radius: 999px;
  background: rgba(6, 10, 18, 0.9);
  overflow: hidden;
  margin-top: 3px;
}

.bar > span {
  height: 100%;
  display: block;
  border-radius: inherit;
  transition: width 0.4s ease, background 0.4s ease;
}

.intel-block {
  border: 1px solid rgba(130, 180, 230, 0.2);
  border-radius: 10px;
  background: rgba(6, 11, 22, 0.6);
  padding: 10px 12px;
  flex: 1;
  min-height: 100px;
}

.intel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.intel-head strong {
  font-family: var(--font-crt);
  font-size: 1.4rem;
  color: var(--text-main);
}

.flag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.flag-chip {
  border: 1px solid rgba(120, 180, 240, 0.28);
  background: rgba(55, 120, 205, 0.1);
  color: #a4d0f6;
  font-size: 0.64rem;
  padding: 3px 7px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

/* ── Transmission ─────────────────────────────────────── */
.transmission {
  display: grid;
  grid-template-rows: 1fr auto auto;
}

.messages {
  padding: 18px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
}

.messages::-webkit-scrollbar { width: 5px; }
.messages::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(100, 150, 210, 0.22);
}

/* ── Messages ─────────────────────────────────────────── */
.message {
  max-width: min(740px, 95%);
  border: 1px solid rgba(130, 180, 240, 0.14);
  border-radius: 10px;
  padding: 10px 14px;
  animation: rise 0.22s ease;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.msg-speaker {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 700;
  opacity: 0.75;
}

.msg-text {
  font-size: 0.92rem;
  line-height: 1.65;
}

.message.cosmo {
  align-self: flex-start;
  color: var(--cosmo);
  background: rgba(35, 85, 150, 0.11);
  border-left: 2px solid rgba(94, 207, 255, 0.45);
}

.message.cosmo .msg-speaker {
  color: var(--signal-cyan);
}

.message.cosmo.static {
  border-style: dashed;
  color: #9ec8f0;
  text-shadow: 1px 0 rgba(130, 180, 255, 0.2), -1px 0 rgba(255, 100, 100, 0.12);
}

.message.player {
  align-self: flex-end;
  color: var(--player);
  border-color: rgba(255, 185, 90, 0.26);
  border-right: 2px solid rgba(255, 185, 90, 0.5);
  background: rgba(155, 90, 25, 0.11);
}

.message.player .msg-speaker {
  color: var(--player);
  text-align: right;
  opacity: 0.65;
}

.message.system {
  align-self: center;
  color: var(--system);
  border-color: rgba(110, 225, 255, 0.3);
  background: rgba(30, 145, 175, 0.08);
  font-size: 0.79rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-align: center;
}

.message.system .msg-speaker {
  display: none;
}

.message.system .msg-text {
  font-size: inherit;
  letter-spacing: inherit;
}

/* ── Typing indicator ─────────────────────────────────── */
.typing {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px 10px;
  color: var(--text-dim);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.dots {
  display: inline-flex;
  gap: 4px;
}

.dots i {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--signal-cyan);
  opacity: 0.3;
  animation: pulse 1.4s ease-in-out infinite;
}

.dots i:nth-child(2) { animation-delay: 0.18s; }
.dots i:nth-child(3) { animation-delay: 0.36s; }

/* ── Choices ──────────────────────────────────────────── */
.choices {
  border-top: 1px solid rgba(100, 150, 210, 0.18);
  padding: 10px;
  display: grid;
  gap: 7px;
  background: rgba(5, 10, 20, 0.78);
}

.choice-btn {
  width: 100%;
  text-align: left;
  border: 1px solid rgba(120, 180, 255, 0.2);
  border-left: 2px solid rgba(94, 207, 255, 0.38);
  border-radius: 8px;
  background: rgba(50, 110, 175, 0.08);
  color: var(--text-main);
  padding: 11px 14px;
  cursor: pointer;
  transition: transform 0.13s ease, border-color 0.13s ease, background 0.13s ease, box-shadow 0.13s ease;
  font-family: var(--font-mono);
  font-size: 0.89rem;
  line-height: 1.5;
}

.choice-btn:hover:not(:disabled) {
  transform: translateX(4px);
  border-color: rgba(140, 210, 255, 0.45);
  border-left-color: var(--signal-cyan);
  background: rgba(60, 130, 200, 0.16);
  box-shadow: -3px 0 14px rgba(94, 207, 255, 0.1);
}

.choice-btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.choice-btn.locked {
  border-left-color: rgba(245, 178, 58, 0.38);
}

.choice-reason {
  display: block;
  margin-top: 4px;
  font-size: 0.69rem;
  color: #d9966a;
  letter-spacing: 0.03em;
}

/* ── Ending card ──────────────────────────────────────── */
.ending-card {
  margin: 14px auto 6px;
  width: min(740px, 95%);
  border-radius: 12px;
  border: 1px solid rgba(130, 210, 255, 0.3);
  background: linear-gradient(180deg, rgba(20, 45, 75, 0.5) 0%, rgba(8, 14, 26, 0.85) 100%);
  padding: 22px;
  text-align: center;
}

.ending-card h3 {
  font-family: var(--font-crt);
  font-size: 2rem;
  margin-bottom: 10px;
  letter-spacing: 0.08em;
  color: var(--signal-cyan);
  text-shadow: 0 0 22px rgba(94, 207, 255, 0.3);
}

.ending-card p {
  color: var(--text-soft);
  margin-bottom: 8px;
  font-size: 0.88rem;
  line-height: 1.65;
}

.ending-count {
  font-size: 0.72rem !important;
  color: var(--text-dim) !important;
  letter-spacing: 0.1em;
  margin-bottom: 18px !important;
}

.ending-card button {
  border: 1px solid rgba(160, 220, 255, 0.5);
  background: rgba(70, 150, 220, 0.14);
  color: var(--text-main);
  border-radius: 7px;
  padding: 9px 16px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.ending-card button:hover {
  border-color: rgba(160, 220, 255, 0.85);
  background: rgba(70, 150, 220, 0.25);
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 640px) {
  .topbar {
    grid-template-columns: 1fr 1fr auto;
    height: auto;
    padding: 8px 12px;
  }

  .topbar-clock-col { display: none; }

  .layout {
    height: calc(100% - 52px);
    padding: 8px;
  }

  .messages { padding: 10px; }
  .choice-btn { font-size: 0.83rem; }
}

/* ── Animations ───────────────────────────────────────── */
@keyframes pulse {
  0%, 100% { opacity: 0.2;  transform: translateY(0); }
  50%       { opacity: 0.9; transform: translateY(-1px); }
}

@keyframes scan {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}