:root {
  --bg: #090d13;
  --panel: rgba(14, 19, 27, 0.94);
  --panel-2: rgba(20, 27, 38, 0.94);
  --panel-3: rgba(8, 12, 18, 0.72);
  --line: rgba(170, 184, 210, 0.2);
  --line-strong: rgba(190, 204, 230, 0.34);
  --text: #f4f7fb;
  --muted: #9aa7ba;
  --subtle: #6f7d91;
  --accent: #72efd2;
  --accent-strong: #3dd7bc;
  --warning: #ffc95f;
  --danger: #ff687f;
  --blue: #86a2ff;
  --shadow: 0 22px 80px rgba(0, 0, 0, 0.38);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body.high-contrast {
  --bg: #020304;
  --panel: rgba(0, 0, 0, 0.96);
  --panel-2: rgba(8, 8, 8, 0.96);
  --line: rgba(255, 255, 255, 0.42);
  --text: #ffffff;
  --muted: #d8dde6;
  --accent: #ffffff;
  --accent-strong: #e6e6e6;
  --warning: #ffd24d;
  --danger: #ff8fa1;
}

body.theme-colorblind {
  --accent: #4cc9f0;
  --accent-strong: #2aa7cc;
  --warning: #f9c74f;
  --danger: #f9844a;
  --blue: #90be6d;
}

body.theme-contrast {
  --accent: #ffffff;
  --accent-strong: #dfe7f5;
  --warning: #ffd166;
  --danger: #ef476f;
  --blue: #8ecae6;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

[hidden] {
  display: none !important;
}

.app-shell {
  width: min(1280px, calc(100vw - 28px));
  min-width: min(100vw - 20px, 1024px);
  margin: 0 auto;
  padding: 16px 0 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  min-height: 76px;
}

.brand-block h1 {
  margin: 0;
  color: var(--text);
  font-size: clamp(30px, 3vw, 42px);
  line-height: 1;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.tagline {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.top-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
  padding-bottom: 4px;
}

.nav-button,
.primary-button,
.secondary-button,
.ghost-button,
.danger-button,
.mode-action {
  min-height: 40px;
  padding: 0 16px;
  border-radius: var(--radius);
  font-weight: 800;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.nav-button,
.ghost-button {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.045);
}

.nav-button:hover,
.ghost-button:hover,
.secondary-button:hover {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.075);
}

.primary-button,
.mode-action {
  color: #06110f;
  background: var(--accent);
}

.primary-button:hover,
.mode-action:hover {
  background: var(--accent-strong);
}

.secondary-button {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
}

.danger-button {
  color: #190407;
  background: var(--danger);
}

.primary-button:active,
.secondary-button:active,
.ghost-button:active,
.danger-button:active,
.mode-action:active,
.nav-button:active {
  transform: translateY(1px);
}

.game-frame {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #10151f;
  box-shadow: var(--shadow);
}

.canvas-container,
.canvas-container canvas {
  display: block;
  width: 100%;
}

.is-aim-active .canvas-container canvas {
  cursor: none;
}

.hud-panel {
  position: absolute;
  z-index: 5;
  top: 14px;
  left: 14px;
  right: 14px;
  display: grid;
  grid-template-columns: 150px 120px minmax(180px, 1fr) minmax(220px, 0.9fr);
  gap: 8px;
  pointer-events: none;
}

.hud-item,
.hud-feedback {
  min-height: 62px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 12, 18, 0.75);
  backdrop-filter: blur(10px);
}

.hud-item span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 780;
}

.hud-item strong {
  display: block;
  margin-top: 5px;
  font-size: 22px;
  line-height: 1;
}

.hud-feedback {
  display: flex;
  align-items: center;
  color: var(--accent);
  font-size: 14px;
  font-weight: 850;
}

.overlay-root {
  position: absolute;
  inset: 0;
  z-index: 8;
  pointer-events: none;
}

.screen {
  position: absolute;
  inset: 0;
  display: none;
  pointer-events: auto;
}

.screen.is-active {
  display: block;
}

.panel {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(980px, calc(100% - 42px));
  max-height: calc(100% - 42px);
  transform: translate(-50%, -50%);
  overflow: auto;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel.wide {
  width: min(1120px, calc(100% - 42px));
}

.panel.compact {
  width: min(620px, calc(100% - 42px));
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}

.panel h2,
.panel h3 {
  margin: 0;
  letter-spacing: 0;
}

.panel h2 {
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1;
}

.panel h3 {
  font-size: 21px;
}

.panel p {
  color: var(--muted);
  line-height: 1.58;
}

.home-layout {
  display: grid;
  grid-template-columns: minmax(310px, 0.9fr) minmax(460px, 1.35fr);
  gap: 18px;
}

.hero-block,
.profile-preview,
.mode-selection,
.history-summary,
.settings-section,
.result-section,
.ability-card,
.history-row,
.recommendation-box,
.phase-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
}

.hero-block {
  padding: 22px;
}

.hero-block h2 {
  max-width: 580px;
}

.hero-actions,
.row-actions,
.result-actions,
.pause-actions,
.settings-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 18px;
}

.profile-preview,
.history-summary {
  padding: 18px;
  margin-top: 14px;
}

.ability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.ability-card {
  padding: 14px;
}

.ability-card span,
.mini-label,
.result-metric span,
.setting-field span,
.history-row span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 780;
}

.ability-card strong,
.result-metric strong {
  display: block;
  margin-top: 7px;
  font-size: 28px;
  line-height: 1;
}

.score-bar {
  height: 6px;
  margin-top: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.score-bar i {
  display: block;
  height: 100%;
  width: var(--score, 0%);
  background: var(--accent);
}

.mode-selection {
  padding: 18px;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.mode-card {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(13, 18, 26, 0.76);
}

.mode-card p {
  margin: 0;
  font-size: 13px;
}

.mode-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.mode-card .mode-action {
  align-self: flex-start;
  margin-top: auto;
}

.difficulty-strip {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.difficulty-pill,
.choice-button {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
  cursor: pointer;
}

.difficulty-pill.is-selected,
.choice-button.is-selected {
  color: #06110f;
  border-color: var(--accent);
  background: var(--accent);
}

.phase-card {
  padding: 20px;
}

.phase-card .phase-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.countdown-number {
  margin: 16px 0;
  font-size: clamp(86px, 14vw, 156px);
  font-weight: 950;
  line-height: 0.9;
  text-align: center;
}

.pause-panel {
  text-align: center;
}

.result-overview {
  display: grid;
  grid-template-columns: 150px repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.grade-badge {
  display: grid;
  place-items: center;
  min-height: 116px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--accent);
  color: #06110f;
}

.grade-badge strong {
  font-size: 60px;
  line-height: 1;
}

.result-metric {
  min-height: 116px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
}

.result-section {
  padding: 16px;
  margin-top: 12px;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.result-note {
  margin: 0;
  color: var(--text);
}

.section-heading {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.coach-status {
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid rgba(114, 239, 210, 0.38);
  border-radius: 999px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0;
  background: rgba(114, 239, 210, 0.08);
}

.coach-status.is-fallback {
  border-color: rgba(255, 201, 95, 0.46);
  color: var(--warning);
  background: rgba(255, 201, 95, 0.08);
}

.ai-coach-section {
  border-color: rgba(114, 239, 210, 0.26);
  background: rgba(114, 239, 210, 0.045);
}

.coach-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.coach-block {
  min-height: 118px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 12, 18, 0.58);
}

.coach-block span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.coach-block p,
.coach-block ul {
  margin: 0;
  color: var(--text);
  line-height: 1.52;
}

.coach-block ul {
  padding-left: 18px;
}

.coach-block li + li {
  margin-top: 6px;
}

.coach-block.next-session {
  border-color: rgba(114, 239, 210, 0.32);
}

.coach-block.next-session strong {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 18px;
}

.recommendation-box {
  padding: 16px;
  margin-top: 12px;
  border-color: rgba(114, 239, 210, 0.42);
}

.history-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.history-row {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr repeat(5, minmax(80px, 1fr));
  gap: 8px;
  align-items: center;
  padding: 12px;
}

.trend-canvas {
  width: 100%;
  height: 170px;
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.16);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.setting-field {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
}

.setting-field input,
.setting-field select {
  width: 100%;
}

.empty-state {
  padding: 20px;
  color: var(--muted);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  text-align: center;
}

.hidden {
  display: none !important;
}

@media (max-width: 1100px) {
  .app-shell {
    min-width: auto;
    width: min(100vw - 20px, 1280px);
  }

  .home-layout,
  .mode-grid,
  .coach-grid,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .ability-grid,
  .result-grid,
  .result-overview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .history-row {
    grid-template-columns: 1fr 1fr;
  }

  .hud-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .topbar,
  .panel-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .ability-grid,
  .result-grid,
  .result-overview,
  .phase-card .phase-meta {
    grid-template-columns: 1fr;
  }
}