@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Press+Start+2P&display=swap');

:root {
  --bg-color: #070817;
  --panel-bg: #0d0f2a;
  --accent-cyan: #00f0ff;
  --accent-magenta: #ff007f;
  --accent-gold: #ffd700;
  --accent-green: #39ff14;
  --text-main: #f8fafc;
  --text-dim: #94a3b8;
  --border-neon: rgba(0, 240, 255, 0.4);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

/* Visually Hidden Utility for Accessible Screen Reader Announcements */
.visually-hidden:where(:not(:focus-within, :active)) {
  position: absolute !important;
  clip-path: inset(50%) !important;
  overflow: hidden !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  border: 0 !important;
  white-space: nowrap !important;
}

/* Skip Link for Keyboard Navigation */
.skip-link {
  position: absolute;
  top: -120px;
  left: 14px;
  z-index: 10000;
  background: var(--accent-magenta);
  color: #ffffff;
  padding: 10px 14px;
  border: 2px solid var(--accent-cyan);
  border-radius: 6px;
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  text-decoration: none;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.7);
  transition: top 0.15s ease;
}

.skip-link:focus-visible {
  top: 14px;
  outline: 3px solid var(--accent-gold) !important;
  outline-offset: 3px !important;
}

/* Global High-Visibility Focus Indication */
:where(a:any-link, button, input, select, textarea, [tabindex="0"]):focus-visible {
  outline: 2px solid var(--accent-cyan) !important;
  outline-offset: 3px !important;
  box-shadow: 0 0 14px var(--accent-cyan) !important;
}

.btn-arcade.primary:focus-visible,
button.primary:focus-visible {
  outline-color: var(--accent-gold) !important;
  box-shadow: 0 0 16px var(--accent-gold) !important;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: 'Press Start 2P', monospace, sans-serif;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% 20%, rgba(255, 0, 127, 0.08), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(0, 240, 255, 0.08), transparent 45%);
}

/* Top App Header */
.app-header {
  width: 100%;
  max-width: 860px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background: var(--panel-bg);
  border-bottom: 2px solid var(--border-neon);
  box-shadow: 0 4px 20px rgba(0, 240, 255, 0.15);
  margin-bottom: 6px;
  gap: 8px;
}

.brand-title {
  display: flex;
  flex-direction: column;
  gap: 3px;
  white-space: nowrap;
}

.brand-title h1 {
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--accent-magenta);
  text-shadow: 0 0 8px rgba(255, 0, 127, 0.8);
}

.brand-title .badge {
  font-family: 'Orbitron', sans-serif;
  font-size: 9px;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: nowrap;
  align-items: center;
}

.btn-arcade {
  background: rgba(13, 15, 42, 0.9);
  border: 1.5px solid var(--accent-cyan);
  color: var(--text-main);
  padding: 6px 9px;
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.18s ease;
  box-shadow: 0 0 6px rgba(0, 240, 255, 0.2);
  white-space: nowrap;
}

.btn-arcade:hover, .btn-arcade:focus-visible {
  background: var(--accent-cyan);
  color: #070817;
  box-shadow: 0 0 14px var(--accent-cyan);
  outline: none;
}

.btn-arcade.primary {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.btn-arcade.primary:hover {
  background: var(--accent-gold);
  color: #070817;
  box-shadow: 0 0 14px var(--accent-gold);
}

/* Arcade Cabinet Bezel - Fully Responsive Viewport */
.cabinet-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 6px;
  background: linear-gradient(145deg, #1e2238, #0b0d1e);
  border: 3px solid #2a2f52;
  border-radius: 12px;
  max-height: calc(100dvh - 95px);
  max-width: min(95vw, 700px);
  box-shadow: 
    0 0 30px rgba(0, 0, 0, 0.9),
    0 0 20px rgba(0, 240, 255, 0.25),
    inset 0 0 15px rgba(0, 0, 0, 0.8);
  transition: transform 0.2s ease, max-height 0.2s ease;
}

/* CRT Screen Effect Overlay */
.screen-container {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: inset 0 0 25px rgba(0, 0, 0, 0.8);
  border: 2px solid rgba(0, 240, 255, 0.5);
  max-height: calc(100dvh - 110px);
  aspect-ratio: 680 / 760;
  display: flex;
  justify-content: center;
  align-items: center;
}

.scanlines {
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.25) 50%
  );
  background-size: 100% 4px;
  z-index: 10;
  opacity: 0.65;
}

#game-canvas {
  display: block;
  background-color: #070817;
  width: 100%;
  height: 100%;
  max-height: calc(100dvh - 110px);
  object-fit: contain;
  outline: none;
}

/* CRT Screen Focus State for Active Keyboard Play */
.screen-container:has(#game-canvas:focus-visible),
.screen-container.has-focus {
  outline: 3px solid var(--accent-cyan);
  outline-offset: 3px;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.6), inset 0 0 20px rgba(0, 240, 255, 0.3);
}

/* Viewport scaling presets */
.cabinet-wrapper.size-compact {
  transform: scale(0.85);
  transform-origin: top center;
}
.cabinet-wrapper.size-mini {
  transform: scale(0.72);
  transform-origin: top center;
}

/* Keyboard Helper Bar */
.controls-legend {
  margin-top: 6px;
  max-width: 680px;
  width: 95vw;
  padding: 6px 12px;
  background: rgba(13, 15, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  display: flex;
  justify-content: space-around;
  font-size: 7px;
  color: var(--text-dim);
  line-height: 1.5;
  text-align: center;
}

.controls-legend span {
  color: var(--accent-cyan);
}

/* Modern Native Dialog Styling */
dialog:modal {
  overscroll-behavior: contain;
  background: #0d102d;
  color: var(--text-main);
  border: 2px solid var(--accent-cyan);
  border-radius: 8px;
  padding: 24px;
  max-width: 540px;
  width: 90vw;
  box-shadow: 
    0 0 35px rgba(0, 240, 255, 0.4),
    0 10px 40px rgba(0, 0, 0, 0.9);
  margin: auto;
}

dialog::backdrop {
  overflow: hidden;
  overscroll-behavior: contain;
  background: rgba(4, 5, 14, 0.85);
  backdrop-filter: blur(4px);
}

dialog h2 {
  font-size: 14px;
  color: var(--accent-gold);
  margin-bottom: 16px;
  text-align: center;
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.6);
}

dialog p {
  font-size: 9px;
  line-height: 1.7;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 20px;
}

/* Sector List Cards */
.sector-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 4px;
}

.sector-card {
  padding: 12px;
  background: #15183d;
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
  text-align: left;
  font-family: inherit;
  display: block;
}

.sector-card:hover,
.sector-card:focus-visible {
  border-color: var(--accent-magenta);
  background: #1e2254;
  box-shadow: 0 0 14px rgba(255, 0, 127, 0.4);
  outline: 2px solid var(--accent-gold) !important;
  outline-offset: 2px !important;
}

.sector-card.active-sector {
  border-color: var(--accent-gold);
  background: rgba(255, 215, 0, 0.15);
}

.sector-card .sector-title {
  font-size: 10px;
  color: var(--accent-cyan);
  margin-bottom: 5px;
}

.sector-card .sector-desc {
  font-size: 8px;
  color: var(--text-dim);
}

.custom-card {
  border-color: var(--accent-gold);
}

/* Quick Select Presets */
.quick-select-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  justify-content: center;
}

/* 10x10 Mastery Matrix Grid */
.mastery-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
  margin-bottom: 12px;
}

.mastery-detail-pane {
  background: rgba(7, 8, 23, 0.9);
  border: 1px solid var(--accent-cyan);
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 8px;
  color: var(--accent-gold);
  text-align: center;
  margin-bottom: 12px;
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.matrix-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 7px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.15s;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
}

.matrix-cell:hover,
.matrix-cell:focus-visible {
  transform: scale(1.25);
  z-index: 5;
  outline: 2px solid var(--accent-gold) !important;
  outline-offset: 1px !important;
  box-shadow: 0 0 10px var(--accent-gold);
}

.matrix-cell.unseen {
  background: #111429;
  color: #555c7a;
}

.matrix-cell.learning {
  background: rgba(255, 215, 0, 0.25);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.matrix-cell.mastered {
  background: rgba(57, 255, 20, 0.3);
  border-color: var(--accent-green);
  color: var(--accent-green);
  font-weight: bold;
}

/* Custom Checkbox Group for Tables */
.table-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin: 16px 0;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 9px;
  color: var(--text-main);
  cursor: pointer;
  background: #171a40;
  padding: 8px;
  border-radius: 4px;
  border: 1px solid rgba(0, 240, 255, 0.2);
  transition: all 0.15s ease;
}

.checkbox-label:hover,
.checkbox-label:has(input:focus-visible) {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

.checkbox-label input {
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

/* Settings Form Controls */
.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  font-size: 9px;
}

.setting-row select {
  background: #141738;
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
  padding: 6px 10px;
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  border-radius: 4px;
}

/* Sibling Pilot Switcher */
.pilot-switcher {
  display: flex;
  gap: 4px;
  background: rgba(7, 8, 23, 0.8);
  padding: 3px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-pilot {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  padding: 5px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-pilot:hover,
.btn-pilot:focus-visible {
  color: #ffffff;
  outline: 2px solid var(--accent-cyan);
  outline-offset: 1px;
}

#pilot-btn-tamara.active-pilot {
  background: rgba(255, 0, 127, 0.25);
  border-color: var(--accent-magenta);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(255, 0, 127, 0.5);
}

#pilot-btn-dori.active-pilot {
  background: rgba(0, 240, 255, 0.25);
  border-color: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

/* Head to Head Comparison */
.h2h-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 16px 0;
}

.h2h-card {
  flex: 1;
  background: #15183d;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  padding: 12px;
  text-align: center;
  transition: all 0.2s;
}

.h2h-card.leader-card {
  border-color: var(--accent-gold);
  background: rgba(255, 215, 0, 0.08);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
}

.h2h-pilot {
  font-size: 10px;
  color: var(--accent-cyan);
  margin-bottom: 6px;
}

.h2h-score {
  font-size: 13px;
  color: var(--accent-gold);
  font-weight: bold;
  margin-bottom: 4px;
}

.h2h-sub {
  font-size: 7px;
  color: var(--text-dim);
}

.h2h-vs {
  font-size: 11px;
  color: var(--accent-magenta);
  font-weight: bold;
}

/* Leaderboard Table */
.leaderboard-table {
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 6px;
  overflow: hidden;
  margin-top: 10px;
}

.leader-header {
  display: grid;
  grid-template-columns: 45px 1fr 85px 85px 65px;
  padding: 8px 10px;
  background: rgba(0, 240, 255, 0.12);
  font-size: 8px;
  color: var(--accent-cyan);
}

.leader-rows-container {
  max-height: 200px;
  overflow-y: auto;
}

.leader-row {
  display: grid;
  grid-template-columns: 45px 1fr 85px 85px 65px;
  padding: 8px 10px;
  font-size: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-main);
}

.leader-row.current-pilot {
  background: rgba(255, 215, 0, 0.08);
}

.leader-row .p-score {
  color: var(--accent-gold);
}

.leader-row .p-sec {
  color: var(--text-dim);
}

.leader-row .p-date {
  color: var(--text-dim);
  font-size: 7px;
}