/* ── Design Tokens ── */
:root {
  --glass-dark:      rgba(4, 10, 28, 0.92);
  --glass-panel:     rgba(4,  8, 24, 0.88);
  --glass-border:    rgba(120, 180, 240, 0.16);
  --glass-border-hi: rgba(160, 210, 255, 0.26);
  --glass-blur:      blur(24px) saturate(1.6);
  --glass-blur-sm:   blur(14px) saturate(1.4);
  --accent-sky:      rgba(140, 210, 250, 1);
  --accent-blue:     rgba(100, 170, 230, 1);
  --accent-lav:      rgba(180, 160, 255, 1);
  --accent-mint:     rgba(100, 220, 190, 1);
  --text-1: rgba(220, 238, 255, 0.92);
  --text-2: rgba(160, 200, 230, 0.62);
  --text-3: rgba(120, 165, 210, 0.42);
  --shadow-panel: 0 24px 64px rgba(0,0,0,0.72), 0 6px 20px rgba(0,0,0,0.42);
  --r-panel: 18px;
  --r-card:  14px;
  --r-chip:   8px;
  --font-ui:   -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'Consolas', 'Courier New', monospace;
}

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

html, body {
  width: 100vw; height: 100vh;
  margin: 0; padding: 0;
  overflow: hidden;
  background: #00050a;
  font-family: var(--font-mono);
  cursor: none;
}

canvas {
  display: block;
  position: fixed;
  top: 0; left: 0;
  width: 100vw !important;
  height: 100vh !important;
}

/* ── System Bar (element removed from HTML in V3; styles kept for reference) ── */
#sysbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  background: rgba(4, 8, 24, 0.80);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 1px 20px rgba(0,0,0,0.50), inset 0 1px 0 rgba(140,200,255,0.06);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  z-index: 8;
  pointer-events: none;
  font-family: var(--font-ui);
}

#sysbar-name {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(190, 225, 255, 0.90);
  font-weight: 600;
  text-shadow: 0 0 16px rgba(120,185,255,0.28);
}

#sysbar-status {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sb-tag {
  font-size: 10px;
  color: rgba(140, 190, 230, 0.50);
  letter-spacing: 0.04em;
}

#sysbar-time {
  font-size: 11px;
  color: rgba(180, 220, 255, 0.82);
  min-width: 38px;
  text-align: right;
}

/* ── HUD ── */
#hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}

#hud-lines {
  position: absolute;
  top: 36px; left: 14px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.hud-row {
  font-size: 13px;
  color: rgba(140, 210, 240, 0.88);
  text-shadow: 0 0 8px rgba(100,190,240,0.40);
  letter-spacing: 0.04em;
}

.hud-warn { color: #ff5555; text-shadow: 0 0 8px rgba(255,80,80,0.50); }

#hud-hint {
  display: none; /* V4: hidden in default view — available via debug mode only */
  position: absolute;
  bottom: 10px; left: 14px;
  font-size: 10px;
  color: rgba(110, 170, 215, 0.38);
  letter-spacing: 0.03em;
}

/* ── OS startup overlay ── */
#calib-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(1, 5, 16, 0.90);
  pointer-events: none;
  z-index: 20;
  transition: opacity 1.4s ease;
}

#calib-overlay.hidden { opacity: 0; }

#calib-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--font-ui);
}

#calib-logo {
  font-size: 34px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: rgba(190, 225, 255, 0.94);
  text-shadow: 0 0 32px rgba(120,185,255,0.42), 0 0 8px rgba(140,200,255,0.22);
}

#calib-sub {
  font-size: 11px;
  letter-spacing: 0.10em;
  color: rgba(140, 185, 225, 0.55);
}

/* ── Fallback notice ── */
#fallback-notice {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(130, 28, 28, 0.88);
  color: rgba(255, 185, 185, 0.92);
  font-size: 13px;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 30;
}

#retry-btn {
  background: rgba(220, 60, 60, 0.90);
  color: #fff;
  border: none;
  padding: 4px 12px;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  border-radius: 5px;
  pointer-events: all;
}

#retry-btn:hover { background: rgba(200, 40, 40, 0.95); }

/* ── Mission Control Overview ── */
#overview-overlay {
  position: fixed;
  inset: 0;
  background: rgba(1, 4, 14, 0.92);
  backdrop-filter: blur(18px) brightness(0.48);
  -webkit-backdrop-filter: blur(18px) brightness(0.48);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 40;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.20s ease;
}
#overview-overlay.visible { opacity: 1; pointer-events: all; }
#overview-title {
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--text-3);
  margin-bottom: 26px;
  text-transform: uppercase;
  font-family: var(--font-ui);
  font-weight: 500;
}
#overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 218px);
  gap: 14px;
}
.ov-card {
  background: rgba(5, 12, 36, 0.90);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 18px 16px 14px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  min-height: 116px;
  transition: border-color 0.14s, background 0.14s, transform 0.14s, box-shadow 0.14s;
}
.ov-card:hover {
  border-color: var(--glass-border-hi);
  background: rgba(8, 18, 48, 0.96);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.50);
}
.ov-card.ov-focused {
  border-color: rgba(140, 210, 250, 0.62);
  box-shadow: 0 0 22px rgba(100,185,240,0.12);
}
.ov-card-accent { position: absolute; top: 0; left: 0; right: 0; height: 2px; border-radius: 15px 15px 0 0; }
.ov-icon {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 9px;
  font-family: var(--font-ui);
}
.ov-name {
  font-size: 13px;
  font-weight: 600;
  color: rgba(220, 238, 255, 0.88);
  margin-bottom: 7px;
  font-family: var(--font-ui);
}
.ov-badge {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 5px;
  font-family: var(--font-ui);
  font-weight: 500;
  display: inline-block;
}
.ov-s-closed   { color: rgba(140,150,175,0.40); border: 1px solid rgba(140,150,175,0.10); }
.ov-s-open     { color: rgba(140,210,250,0.72); border: 1px solid rgba(140,210,250,0.18); }
.ov-s-focused  { color: rgba(180,228,255,1.00); border: 1px solid rgba(160,215,255,0.42); }
.ov-s-minimized{ color: rgba(170,150,220,0.75); border: 1px solid rgba(170,150,220,0.22); }
.ov-s-maximized{ color: rgba(90,175,255,0.90);  border: 1px solid rgba(90,175,255,0.28); }
.ov-s-snappedLeft, .ov-s-snappedRight
               { color: rgba(130,205,255,0.90); border: 1px solid rgba(130,205,255,0.24); }
#overview-hint {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(110,170,215,0.34);
  margin-top: 24px;
  font-family: var(--font-ui);
}

/* ── Command Palette ── */
#cmd-palette {
  position: fixed;
  left: 50%;
  top: 46%;
  transform: translate(-50%, -52%);
  width: 500px;
  max-height: 420px;
  background: rgba(4, 8, 26, 0.95);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: 0 0 0 1px rgba(100,160,220,0.05),
              0 0 40px rgba(80,160,220,0.08),
              0 32px 80px rgba(0,0,0,0.82);
  backdrop-filter: blur(28px) saturate(1.8);
  -webkit-backdrop-filter: blur(28px) saturate(1.8);
  z-index: 45;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.16s ease, transform 0.16s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
#cmd-palette.visible {
  opacity: 1;
  pointer-events: all;
  transform: translate(-50%, -50%);
}
#cmd-search-row {
  display: flex;
  align-items: center;
  padding: 16px 18px 14px;
  border-bottom: 1px solid rgba(100,160,220,0.10);
  gap: 12px;
  flex-shrink: 0;
}
#cmd-search-icon { font-size: 14px; color: rgba(120,190,230,0.55); font-family: var(--font-mono); flex-shrink: 0; }
#cmd-search-text { flex: 1; font-family: var(--font-mono); font-size: 15px; color: rgba(215,238,255,0.92); letter-spacing: 0.02em; min-width: 0; white-space: pre; overflow: hidden; }
#cmd-search-cursor { display: inline-block; width: 2px; height: 1em; background: rgba(140,210,252,0.85); margin-left: 1px; vertical-align: text-bottom; animation: cpblink 1s step-end infinite; }
@keyframes cpblink { 50% { opacity: 0; } }
#cmd-search-hint { font-family: var(--font-ui); font-size: 10px; color: rgba(110,165,215,0.38); flex-shrink: 0; letter-spacing: 0.04em; }
#cmd-results { overflow-y: auto; max-height: 320px; padding: 6px 0 8px; scrollbar-width: thin; scrollbar-color: rgba(100,170,220,0.18) transparent; }
.cp-section { font-family: var(--font-ui); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(120,175,220,0.45); padding: 8px 18px 4px; font-weight: 500; }
.cp-row { display: flex; align-items: center; padding: 10px 18px; gap: 13px; cursor: pointer; transition: background 0.08s; }
.cp-row:hover { background: rgba(100,160,220,0.07); }
.cp-row.cp-active { background: rgba(100,160,220,0.13); border-left: 2px solid rgba(140,210,252,0.72); padding-left: 16px; }
.cp-icon { width: 30px; height: 30px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 13px; font-weight: bold; flex-shrink: 0; }
.cp-label { flex: 1; font-family: var(--font-ui); font-size: 14px; color: rgba(215,238,255,0.90); letter-spacing: 0.01em; font-weight: 400; }
.cp-type { font-family: var(--font-ui); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(130,165,195,0.48); font-weight: 500; }
.cp-kbd { font-family: var(--font-mono); font-size: 11px; color: rgba(140,210,240,0.65); background: rgba(100,160,220,0.08); border: 1px solid rgba(100,160,220,0.22); border-radius: 4px; padding: 1px 7px; }

/* ── Control Center ── */
#cc-panel, #nc-panel {
  position: fixed; top: 36px; right: 14px; width: 300px;
  background: rgba(4, 8, 26, 0.95);
  border: 1px solid var(--glass-border); border-radius: 18px;
  box-shadow: 0 0 0 1px rgba(100,160,220,0.04), 0 0 28px rgba(80,155,220,0.08), 0 20px 52px rgba(0,0,0,0.74);
  backdrop-filter: blur(26px) saturate(1.7); -webkit-backdrop-filter: blur(26px) saturate(1.7);
  z-index: 42; opacity: 0; pointer-events: none;
  transform: translateY(-8px); transition: opacity 0.16s ease, transform 0.16s ease;
  overflow: hidden;
}
#cc-panel.visible, #nc-panel.visible { opacity: 1; pointer-events: all; transform: translateY(0); }
.cc-header, .nc-header { display: flex; align-items: center; justify-content: space-between; padding: 13px 16px 11px; border-bottom: 1px solid rgba(100,165,220,0.10); }
.cc-title, .nc-title { font-family: var(--font-ui); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(140,200,240,0.58); font-weight: 600; }
.cc-close-btn, .nc-clear-btn { font-family: var(--font-ui); font-size: 10px; color: rgba(120,175,220,0.42); cursor: pointer; padding: 2px 8px; border: 1px solid rgba(100,165,220,0.15); border-radius: 5px; transition: color 0.1s, border-color 0.1s; font-weight: 500; }
.cc-close-btn:hover, .nc-clear-btn:hover { color: rgba(160,220,255,0.82); border-color: rgba(140,210,255,0.32); }
.cc-toggle-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; padding: 12px 14px; }
.cc-toggle-btn { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; padding: 10px 4px; border-radius: 10px; background: rgba(100,165,220,0.06); border: 1px solid rgba(100,165,220,0.12); cursor: pointer; transition: background 0.12s, border-color 0.12s; user-select: none; }
.cc-toggle-btn:hover { background: rgba(100,165,220,0.11); }
.cc-toggle-btn.cc-on { background: rgba(100,170,225,0.18); border-color: rgba(140,215,252,0.44); }
.cc-tg-ic { font-family: var(--font-mono); font-size: 14px; color: rgba(130,165,195,0.55); }
.cc-toggle-btn.cc-on .cc-tg-ic { color: rgba(140,215,252,0.92); }
.cc-tg-lb { font-family: var(--font-ui); font-size: 10px; letter-spacing: 0.04em; color: rgba(155,180,205,0.55); text-transform: uppercase; font-weight: 500; }
.cc-toggle-btn.cc-on .cc-tg-lb { color: rgba(140,215,252,0.72); }
.cc-divider { height: 1px; background: rgba(100,165,220,0.08); margin: 0 14px; }
.cc-sliders { padding: 10px 16px 8px; display: flex; flex-direction: column; gap: 8px; }
.cc-sl-row { display: flex; align-items: center; gap: 10px; }
.cc-sl-ic { font-family: var(--font-mono); font-size: 12px; color: rgba(120,190,230,0.45); width: 16px; text-align: center; flex-shrink: 0; }
.cc-sl-track { flex: 1; height: 4px; background: rgba(100,165,220,0.12); border-radius: 2px; overflow: hidden; }
.cc-sl-fill { height: 100%; background: rgba(120,195,240,0.52); border-radius: 2px; }
.cc-sl-val { font-family: var(--font-ui); font-size: 10px; color: rgba(120,175,220,0.44); width: 32px; text-align: right; flex-shrink: 0; }
.cc-footer, .nc-footer { padding: 8px 16px 11px; font-family: var(--font-ui); font-size: 10px; color: rgba(110,165,215,0.30); letter-spacing: 0.06em; text-align: center; }

/* ── Notification Center ── */
.nc-list { overflow-y: auto; max-height: 340px; padding: 5px 0; scrollbar-width: thin; scrollbar-color: rgba(100,170,220,0.15) transparent; }
.nc-card { display: flex; gap: 11px; padding: 10px 16px; border-bottom: 1px solid rgba(100,165,220,0.07); transition: background 0.08s; }
.nc-card:hover { background: rgba(100,165,220,0.05); }
.nc-card:last-child { border-bottom: none; }
.nc-card-icon { width: 30px; height: 30px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 12px; font-weight: bold; flex-shrink: 0; margin-top: 1px; }
.nc-card-body { flex: 1; min-width: 0; }
.nc-card-title { font-family: var(--font-ui); font-size: 13px; font-weight: 500; color: rgba(215,238,255,0.88); display: flex; justify-content: space-between; align-items: baseline; gap: 6px; margin-bottom: 3px; }
.nc-card-time { font-size: 10px; color: rgba(130,160,185,0.52); flex-shrink: 0; letter-spacing: 0.04em; font-family: var(--font-ui); }
.nc-card-text { font-family: var(--font-ui); font-size: 11px; color: rgba(160,192,215,0.58); letter-spacing: 0.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nc-empty { padding: 22px 16px; text-align: center; font-family: var(--font-ui); font-size: 12px; color: rgba(110,170,215,0.32); letter-spacing: 0.08em; }

/* ── Demo Caption ── */
#demo-caption {
  position: fixed;
  bottom: 72px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(4, 8, 24, 0.80);
  border: 1px solid var(--glass-border);
  color: var(--text-1);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 26px;
  border-radius: 28px;
  backdrop-filter: blur(18px) saturate(1.5);
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
  pointer-events: none;
  z-index: 20;
  opacity: 0;
  transition: opacity 0.45s ease;
  white-space: nowrap;
}
#demo-caption.visible { opacity: 1; }