:root {
  --bg: #02060a;
  --panel: rgba(6, 10, 16, 0.96);
  --panel-2: rgba(10, 15, 24, 0.97);
  --line: #1f2a37;
  --line-2: #334357;
  --text: #e8eef9;
  --muted: #93a0b6;
  --cyan: #66d4ff;
  --cyan-soft: #2796c5;
  --cyan-deep: #0d3147;
  --red: #ef4937;
  --red-soft: #ff8d72;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 10%, rgba(102,212,255,0.08), transparent 24%),
    radial-gradient(circle at 82% 80%, rgba(239,73,55,0.06), transparent 20%),
    linear-gradient(180deg, #000205 0%, #04080d 100%);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

body {
  display: grid;
  place-items: center;
}

button, input {
  font: inherit;
}

.app-shell {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(0,0,0,0.18), rgba(0,0,0,0.28));
}

.view {
  position: absolute;
  inset: 0;
  display: none;
}
.view.active { display: block; }

.nemesis-panel {
  position: absolute;
  inset: 4.5vh 4vw;
  border: 1px solid rgba(48, 72, 94, 0.9);
  background:
    linear-gradient(180deg, rgba(7, 11, 17, 0.97), rgba(2, 6, 11, 0.97)),
    repeating-linear-gradient(180deg, rgba(255,255,255,0.02) 0, rgba(255,255,255,0.02) 1px, transparent 1px, transparent 3px);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.45) inset,
    0 0 60px rgba(0, 0, 0, 0.4),
    0 0 34px rgba(102,212,255,0.05) inset;
}

.nemesis-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0%, rgba(102,212,255,0.05) 48%, transparent 100%),
    repeating-linear-gradient(180deg, rgba(255,255,255,0.018) 0, rgba(255,255,255,0.018) 1px, transparent 1px, transparent 4px);
  mix-blend-mode: screen;
}

.hero-panel {
  padding: 1.5rem;
}

.hero-frame-line {
  position: absolute;
  top: 1rem;
  height: 2px;
  background: linear-gradient(90deg, #aeb5c2, #4a5366 72%, transparent 100%);
}
.line-left { left: 1rem; width: 18%; }
.line-right { left: 28%; width: 42%; }

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) 320px;
  gap: 1.25rem;
  height: 100%;
  align-items: end;
}

.hero-display {
  align-self: stretch;
  min-height: 0;
}
.hero-display svg {
  width: 100%;
  height: 100%;
  display: block;
}

.stream-row {
  font-family: monospace;
  font-size: 12px;
  letter-spacing: 0.8px;
}
.row-1, .row-4 { fill: #6f7b8d; }
.row-2, .row-5 { fill: #98a3b8; }
.row-3 { fill: var(--cyan); }

.auth-side {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 0.9rem;
  align-self: end;
  padding: 0 0.2rem 0.4rem 0;
}

.status-chip,
.auth-console,
.main-card,
.overlay-panel,
.main-header {
  background: linear-gradient(180deg, rgba(9,15,23,0.96), rgba(5,10,15,0.96));
  border: 1px solid var(--line);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.35) inset;
}

.status-chip {
  justify-self: end;
  padding: 0.7rem 0.95rem;
  color: var(--cyan);
  letter-spacing: 0.18rem;
  font-size: 0.72rem;
  text-transform: uppercase;
}

.auth-console {
  padding: 1rem;
  display: grid;
  gap: 0.9rem;
  align-content: start;
  min-height: 280px;
  transition: opacity 220ms ease, transform 220ms ease;
}
.hidden {
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
}

.console-title,
.header-title,
.overlay-title {
  font-size: 1.15rem;
  letter-spacing: 0.16rem;
}
.console-subtitle,
.header-sub,
.overlay-sub,
.console-hint,
.console-message,
.card-label {
  text-transform: uppercase;
  letter-spacing: 0.12rem;
  font-size: 0.75rem;
}
.console-subtitle,
.header-sub,
.overlay-sub,
.console-hint { color: var(--muted); }
.console-message { color: var(--cyan); min-height: 1.2rem; }

.login-form,
.destruct-auth-grid {
  display: grid;
  gap: 0.8rem;
}
.login-form label,
.destruct-auth-grid label {
  display: grid;
  gap: 0.35rem;
}
.login-form span,
.destruct-auth-grid span {
  font-size: 0.68rem;
  color: #aeb8ca;
  letter-spacing: 0.16rem;
  text-transform: uppercase;
}
input {
  width: 100%;
  height: 46px;
  background: #02060b;
  border: 1px solid var(--line-2);
  color: var(--text);
  padding: 0 0.85rem;
  outline: none;
  letter-spacing: 0.1rem;
}
input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(102,212,255,0.18);
}

.form-row,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.lcars-btn,
.mode-btn {
  min-height: 42px;
  border: 1px solid var(--line-2);
  background: #01050a;
  color: var(--text);
  padding: 0.7rem 1rem;
  letter-spacing: 0.15rem;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 120ms ease, color 120ms ease, transform 120ms ease, background 120ms ease;
}
.lcars-btn:hover,
.mode-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-1px);
}
.lcars-btn.primary {
  border-color: rgba(102,212,255,0.45);
  color: var(--cyan);
}
.lcars-btn.danger-btn,
.mode-btn.danger {
  border-color: rgba(239,73,55,0.55);
  color: #ffab9f;
}

.main-layout {
  padding: 1.4rem;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 1rem;
}
.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.1rem;
}
.header-user {
  color: var(--cyan);
  letter-spacing: 0.16rem;
  text-transform: uppercase;
}
.main-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.main-card {
  padding: 1rem;
  display: grid;
  gap: 1rem;
}
.system-lines {
  display: grid;
  gap: 0.75rem;
}
.system-lines div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid rgba(55, 70, 86, 0.5);
}
.system-lines span { color: var(--muted); letter-spacing: 0.08rem; }
.system-lines strong { color: var(--text); letter-spacing: 0.1rem; }
.mode-list { display: grid; gap: 0.8rem; }

.overlay {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  background: rgba(0, 0, 0, 0.68);
  z-index: 10;
}
.overlay.active { display: grid; }
.overlay-panel {
  width: min(760px, 92vw);
  padding: 1.2rem;
  display: grid;
  gap: 1rem;
}
.danger-panel {
  border-color: rgba(239,73,55,0.4);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.35) inset, 0 0 24px rgba(239,73,55,0.08);
}
.maintenance-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.maint-box {
  background: rgba(2,6,11,0.8);
  border: 1px solid rgba(52, 66, 82, 0.85);
  padding: 1rem;
}
.maint-box h3 {
  margin: 0 0 0.8rem;
  font-size: 0.86rem;
  letter-spacing: 0.14rem;
}
.maint-box ul {
  margin: 0;
  padding-left: 1rem;
  color: var(--muted);
  line-height: 1.6;
}
.maint-box p { margin: 0; color: var(--cyan); }

.run-panel {
  width: min(640px, 92vw);
  text-align: center;
}
.countdown-clock {
  font-size: clamp(2.6rem, 12vw, 5.5rem);
  letter-spacing: 0.24rem;
  color: #fff4f0;
}
.destruct-track {
  height: 14px;
  background: #1f2024;
  border: 1px solid #58322d;
  overflow: hidden;
}
.destruct-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--red-soft), var(--red));
}

@media (max-width: 980px) {
  .nemesis-panel { inset: 1.5vh 1.5vw; }
  .hero-grid, .main-grid, .maintenance-grid { grid-template-columns: 1fr; }
  .hero-grid { align-items: stretch; }
  .auth-side { padding: 0 0.3rem 0.3rem; }
}