:root {
  --hr-red: #ED1C2E;
  --hr-red-dark: #B4121F;
  --hr-blue: #1B2A6B;
  --hr-blue-dark: #0F1A47;
  --hr-white: #FFFFFF;
  --bg-dark: #0a0e27;
  --panel-bg: #131a3a;
  --panel-border: #2a3868;
  --text-muted: #8892c0;
}

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

html, body {
  min-height: 100%;
  background: radial-gradient(ellipse at top, var(--hr-blue) 0%, var(--bg-dark) 70%);
  color: var(--hr-white);
  font-family: 'Segoe UI', Arial, sans-serif;
  overflow-x: hidden;
}

.hidden { display: none !important; }

.screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
}

/* ---------- Start Screen ---------- */
#start-screen {
  justify-content: center;
  text-align: center;
  gap: 10px;
}

#start-screen .logo {
  width: 220px;
  max-width: 70vw;
  filter: drop-shadow(0 4px 20px rgba(237, 28, 46, 0.5));
  margin-bottom: 10px;
}

#start-screen h1 {
  font-size: 2.8em;
  letter-spacing: 4px;
  color: var(--hr-white);
  text-shadow: 0 0 20px var(--hr-red), 3px 3px 0 var(--hr-blue-dark);
}

.subtitle {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-style: italic;
}

.btn {
  background: linear-gradient(180deg, var(--hr-red) 0%, var(--hr-red-dark) 100%);
  color: var(--hr-white);
  border: none;
  padding: 14px 40px;
  font-size: 1.3em;
  font-weight: bold;
  letter-spacing: 2px;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 4px 0 var(--hr-red-dark), 0 6px 12px rgba(0,0,0,0.4);
  transition: transform 0.1s ease;
  margin: 8px;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--hr-red-dark); }

.btn-secondary {
  background: linear-gradient(180deg, var(--hr-blue) 0%, var(--hr-blue-dark) 100%);
  box-shadow: 0 4px 0 var(--hr-blue-dark), 0 6px 12px rgba(0,0,0,0.4);
}

.btn-small {
  padding: 8px 20px;
  font-size: 0.9em;
}

.highscore-display {
  font-size: 1.1em;
  color: var(--hr-white);
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 8px 20px;
  border-radius: 20px;
  margin: 10px 0;
}
.highscore-display span { color: var(--hr-red); font-weight: bold; }

/* ---------- Name entry ---------- */
.name-entry {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin: 6px 0;
}
.name-entry label {
  font-size: 0.85em;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.name-entry input {
  background: var(--panel-bg);
  border: 2px solid var(--panel-border);
  color: var(--hr-white);
  font-size: 1.1em;
  padding: 10px 16px;
  border-radius: 8px;
  text-align: center;
  width: min(80vw, 260px);
  outline: none;
  transition: border-color 0.15s ease;
}
.name-entry input:focus { border-color: var(--hr-red); }
.name-entry input.input-error { border-color: var(--hr-red); animation: shake 0.3s; }
#phone-field { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.error-msg { color: var(--hr-red); font-size: 0.9em; font-weight: bold; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* ---------- Leaderboard ---------- */
.leaderboard-box {
  margin-top: 16px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 15px 25px;
  width: min(90vw, 320px);
}
.leaderboard-box h3 {
  text-align: center;
  color: var(--hr-red);
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.leaderboard-list {
  list-style: decimal;
  padding-left: 22px;
  max-height: 220px;
  overflow-y: auto;
}
.leaderboard-list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 4px 0;
  color: var(--hr-white);
  font-size: 0.95em;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.leaderboard-list li span.lb-score { color: var(--hr-red); font-weight: bold; }
.leaderboard-empty { color: var(--text-muted); font-style: italic; text-align: center; list-style: none; }
.leaderboard-list li.rank-1 { background: rgba(255, 215, 0, 0.1); border-radius: 6px; padding-left: 4px; }
.leaderboard-list li.rank-2 { background: rgba(192, 192, 192, 0.1); border-radius: 6px; padding-left: 4px; }
.leaderboard-list li.rank-3 { background: rgba(205, 127, 50, 0.12); border-radius: 6px; padding-left: 4px; }

.rank-msg {
  color: #3DDCFF !important;
  font-weight: bold;
}

.controls-help {
  margin-top: 20px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 15px 25px;
  text-align: left;
}
.controls-help h3 {
  text-align: center;
  color: var(--hr-red);
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.controls-help ul { list-style: none; }
.controls-help li { padding: 3px 0; color: var(--text-muted); font-size: 0.95em; }
.controls-help b { color: var(--hr-white); display: inline-block; min-width: 90px; }

/* ---------- Game Screen ---------- */
#game-screen { padding: 10px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 14px;
  position: relative;
}
.logo-small { height: 46px; }
.title-block { display: flex; flex-direction: column; align-items: center; }
.title-small {
  font-size: 1.8em;
  letter-spacing: 2px;
  color: var(--hr-white);
  text-shadow: 0 0 10px var(--hr-red);
}
.player-name-display {
  font-size: 0.85em;
  color: var(--text-muted);
}
.btn-icon {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  color: var(--hr-white);
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 0.85em;
  cursor: pointer;
  margin-left: 10px;
}
.btn-icon:hover { border-color: var(--hr-red); }

.game-layout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
}

.side-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 120px;
}

.panel-box {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 10px;
  text-align: center;
}
.panel-box h3 {
  font-size: 0.75em;
  color: var(--hr-red);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.panel-box canvas {
  background: var(--bg-dark);
  border-radius: 4px;
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.stats .stat-value {
  font-size: 1.4em;
  font-weight: bold;
  color: var(--hr-white);
  text-shadow: 0 0 4px #fff, 0 0 10px #fff, 0 0 18px #7CFCFF, 0 0 32px #7CFCFF;
  margin-bottom: 10px;
}

.next-list-box canvas {
  margin-bottom: 8px;
  opacity: 0.7;
}

.board-wrap {
  position: relative;
  border: 3px solid var(--hr-blue);
  border-radius: 6px;
  box-shadow: 0 0 30px rgba(27, 42, 107, 0.6), inset 0 0 20px rgba(0,0,0,0.5);
  width: min(92vw, 420px, 42vh);
  aspect-ratio: 1 / 2;
  margin: 0 auto;
}
@media (min-width: 721px) {
  .board-wrap { width: min(46vw, 420px, 42vh); }
}

#board-canvas {
  display: block;
  background: #05071a;
  width: 100%;
  height: 100%;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(5, 7, 26, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
}
.overlay-box {
  text-align: center;
  padding: 20px;
}
.overlay-box h2 {
  color: var(--hr-red);
  font-size: 2em;
  letter-spacing: 3px;
  text-shadow: 0 0 15px var(--hr-red);
  margin-bottom: 10px;
}
.overlay-box p { color: var(--hr-white); margin-bottom: 6px; }
#final-score {
  font-size: 1.3em;
  font-weight: bold;
  text-shadow: 0 0 4px #fff, 0 0 10px #fff, 0 0 18px #7CFCFF, 0 0 32px #7CFCFF;
}
.score-breakdown {
  color: var(--text-muted) !important;
  font-size: 0.85em !important;
  font-style: italic;
}
.overlay-box .leaderboard-list {
  width: min(80vw, 260px);
  max-height: 45vh;
  margin: 10px auto;
  text-align: left;
}
.new-record {
  color: gold !important;
  font-weight: bold;
  font-size: 1.2em;
  text-shadow: 0 0 10px gold;
  animation: pulse 1s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

#pause-btn { margin-top: auto; }

/* ---------- Mobile Controls ---------- */
.mobile-controls {
  display: none;
  margin-top: 14px;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.mc-btn {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  color: var(--hr-white);
  font-size: 1.2em;
  padding: 14px 18px;
  border-radius: 8px;
  min-width: 50px;
}
.mc-btn:active { background: var(--hr-red); }

@media (max-width: 720px) {
  .mobile-controls { display: flex; }
  .side-panel.left { order: 1; }
  .board-wrap { order: 0; }
  .side-panel.right { order: 2; }
  .game-layout { flex-direction: column; align-items: center; }
  .side-panel { flex-direction: row; width: auto; flex-wrap: wrap; justify-content: center; }
  .panel-box { width: 100px; }
  .screen { padding: 10px; }
  .topbar { flex-wrap: wrap; row-gap: 6px; }
}

@media (max-width: 380px) {
  .panel-box { width: 84px; padding: 6px; }
  .mc-btn { padding: 12px 14px; font-size: 1em; }
}

@media (max-width: 480px) {
  .topbar { flex-direction: column; gap: 6px; }
  .btn-icon { margin-left: 0; }
  .logo-small { height: 38px; }
  .title-small { font-size: 1.4em; }
}

/* ---------- Footer ---------- */
.site-footer {
  text-align: center;
  padding: 18px 10px 14px;
  font-size: 0.8em;
  color: var(--text-muted);
}
.site-footer a {
  color: var(--hr-red);
  font-weight: bold;
  text-decoration: none;
}
.site-footer a:hover,
.site-footer a:focus-visible {
  text-decoration: underline;
}