/* ═══════════════════════════════════════════════════════════════
   styles.css — Mario Lab (MW-56 Game & Watch clone)
   All look-and-feel: layout, typography, colours, animations.
   No game logic lives here.
   ═══════════════════════════════════════════════════════════════ */

/* ── Reset & base ────────────────────────────────────────────── */

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

:root {
  --bg:        #06101e;
  --surface:   #0d1e38;
  --surface2:  #10243f;
  --border:    #1a3a60;
  --border2:   #2a5a90;
  --text:      #88ccff;
  --text-dim:  #4a7aaa;
  --text-bright:#cceeff;
  --gold:      #ffdd44;
  --green:     #44ffaa;
  --red:       #ff4455;
  --accent:    #4499ff;
  --font-mono: "Courier New", "Lucida Console", monospace;
}

html, body {
  height: 100%;
  width:  100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  overflow: hidden;
  user-select: none;
}

/* ── Screen system ───────────────────────────────────────────── */

#app {
  width:  100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.screen {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  overflow-y: auto;
}

.screen.active {
  display: flex;
}

/* ── Game screen: canvas centred ─────────────────────────────── */

#game-screen {
  gap: 10px;
  background: var(--bg);
}

#game-canvas {
  display: block;
  border: 2px solid var(--border2);
  border-radius: 8px;
  box-shadow:
    0 0 0 4px var(--surface),
    0 0 30px rgba(68,153,255,0.25),
    0 0 60px rgba(0,0,0,0.6);
  outline: none;
  image-rendering: crisp-edges;
  image-rendering: pixelated;
}

.controls-legend {
  font-size: 11px;
  color: var(--text-dim);
  text-align: center;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.controls-legend kbd {
  display: inline-block;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 10px;
  color: var(--text);
}

/* ── Shared button style ─────────────────────────────────────── */

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, #1a5caa 0%, #0a3070 100%);
  color: #cceeff;
  border: 2px solid var(--border2);
  border-radius: 6px;
  padding: 12px 36px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: bold;
  letter-spacing: 3px;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
  text-transform: uppercase;
  box-shadow: 0 0 16px rgba(68,153,255,0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2a7aee 0%, #1a4aa0 100%);
  box-shadow: 0 0 24px rgba(68,153,255,0.55);
}

.btn-primary:active {
  transform: scale(0.97);
}

/* ══════════════════════════════════════════════════════════════
   INTRO SCREEN
   ══════════════════════════════════════════════════════════════ */

#intro-screen {
  background: radial-gradient(ellipse at center, #0d1e38 0%, #06101e 100%);
}

.intro-inner {
  max-width: 560px;
  width: 90%;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px 0;
}

/* Logo block */
.intro-logo {
  text-align: center;
  line-height: 1.1;
}

.logo-gw {
  display: block;
  font-size: 13px;
  letter-spacing: 6px;
  color: var(--text-dim);
  text-transform: uppercase;
}

.logo-title {
  display: block;
  font-size: clamp(32px, 8vw, 54px);
  font-weight: bold;
  letter-spacing: 8px;
  color: var(--text-bright);
  text-shadow:
    0 0 20px rgba(68,153,255,0.7),
    0 0 40px rgba(68,153,255,0.4);
  animation: title-pulse 3s ease-in-out infinite;
}

.logo-model {
  display: block;
  font-size: 14px;
  letter-spacing: 4px;
  color: var(--gold);
  margin-top: 4px;
}

@keyframes title-pulse {
  0%, 100% { text-shadow: 0 0 20px rgba(68,153,255,0.7), 0 0 40px rgba(68,153,255,0.4); }
  50%       { text-shadow: 0 0 30px rgba(68,200,255,1),   0 0 60px rgba(68,153,255,0.7); }
}

/* Description */
.intro-description {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
}

.intro-description strong {
  color: var(--gold);
}

/* Rules */
.intro-rules {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
}

.intro-rules table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.intro-rules td {
  padding: 4px 6px;
  color: var(--text);
}

.intro-rules .pts {
  text-align: right;
  font-weight: bold;
  font-size: 13px;
}

.intro-rules .pos { color: var(--green); }
.intro-rules .neg { color: var(--red);   }

.rule-note {
  margin-top: 10px;
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.6;
}

.rule-note strong {
  color: var(--text-bright);
}

/* Controls hint */
.intro-controls {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.8;
  text-align: center;
}

.intro-controls kbd {
  display: inline-block;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 6px;
  font-size: 11px;
  color: var(--text);
}

.intro-controls em {
  color: var(--accent);
  font-style: normal;
}

/* Form */
.intro-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.intro-form label {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--text-dim);
  text-transform: uppercase;
}

.intro-form input[type="text"] {
  background: var(--surface2);
  border: 2px solid var(--border2);
  border-radius: 6px;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 4px;
  padding: 10px 20px;
  text-align: center;
  text-transform: uppercase;
  width: 240px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.intro-form input[type="text"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(68,153,255,0.4);
}

.intro-form input[type="text"]::placeholder {
  color: var(--text-dim);
  letter-spacing: 2px;
}

/* Player count selection */
.player-select {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.player-select-label {
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--text-dim);
  text-transform: uppercase;
}

.player-select-btns {
  display: flex;
  gap: 20px;
}

.btn-player-count {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 110px;
  height: 100px;
  background: var(--surface2);
  border: 2px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font-mono);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s, transform 0.1s;
  gap: 4px;
}

.btn-player-count:hover {
  background: linear-gradient(135deg, #1a5caa 0%, #0a3070 100%);
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(68,153,255,0.45);
}

.btn-player-count:active {
  transform: scale(0.96);
}

.btn-player-count .pcount {
  font-size: 42px;
  font-weight: bold;
  color: var(--gold);
  line-height: 1;
}

.btn-player-count .pcount-label {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--text-dim);
}

/* Mode badge & name rows (step 2) */
.mode-badge {
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--gold);
  background: rgba(255,221,68,0.1);
  border: 1px solid rgba(255,221,68,0.3);
  border-radius: 4px;
  padding: 4px 14px;
  margin-bottom: 4px;
}

.name-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.name-row label {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--text-dim);
  text-transform: uppercase;
}

.form-actions {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 4px;
}

/* Secondary (back) button */
.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--text-dim);
  border: 2px solid var(--border);
  border-radius: 6px;
  padding: 10px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.btn-secondary:hover {
  border-color: var(--border2);
  color: var(--text);
}

/* ══════════════════════════════════════════════════════════════
   HIGH SCORE SCREEN
   ══════════════════════════════════════════════════════════════ */

#highscore-screen {
  background: radial-gradient(ellipse at center, #0d1e38 0%, #06101e 100%);
}

.hs-inner {
  max-width: 580px;
  width: 90%;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 24px 0;
}

.hs-logo {
  text-align: center;
  line-height: 1.1;
}

.hs-result {
  text-align: center;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.hs-result.hs-gold {
  border-color: var(--gold);
  box-shadow: 0 0 24px rgba(255,221,68,0.35);
  animation: gold-pulse 2s ease-in-out infinite;
}

@keyframes gold-pulse {
  0%, 100% { box-shadow: 0 0 24px rgba(255,221,68,0.35); }
  50%       { box-shadow: 0 0 40px rgba(255,221,68,0.65); }
}

.hs-rank-label {
  font-size: 14px;
  font-weight: bold;
  color: var(--gold);
  letter-spacing: 2px;
}

.hs-player {
  font-size: 22px;
  font-weight: bold;
  color: var(--text-bright);
  letter-spacing: 5px;
}

.hs-score-display {
  font-size: 56px;
  font-weight: bold;
  color: var(--gold);
  line-height: 1;
  text-shadow: 0 0 20px rgba(255,221,68,0.6);
}

.hs-score-label {
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* Table */
.hs-table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  overflow-x: auto;
}

.hs-heading {
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--text-dim);
  text-align: center;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.hs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.hs-table th {
  text-align: left;
  color: var(--text-dim);
  font-size: 10px;
  letter-spacing: 2px;
  padding: 4px 8px 8px;
  border-bottom: 1px solid var(--border);
}

.hs-table td {
  padding: 6px 8px;
  color: var(--text);
  border-bottom: 1px solid rgba(26,58,96,0.4);
}

.hs-table .rank-col { color: var(--text-dim); width: 30px; }
.hs-table .name-col { font-weight: bold; letter-spacing: 2px; }
.hs-table .score-col { color: var(--gold); text-align: right; }
.hs-table .date-col { color: var(--text-dim); font-size: 11px; text-align: right; }

.hs-table tr.my-row td {
  background: rgba(68,153,255,0.12);
  color: #cceeff;
}

.hs-table tr.my-row .score-col { color: var(--gold); }

.hs-actions {
  display: flex;
  justify-content: center;
}

/* ══════════════════════════════════════════════════════════════
   MOBILE JOYSTICK CONTROLS
   ══════════════════════════════════════════════════════════════ */

.joystick-wrap {
  position: fixed;
  bottom: 24px;
  /* horizontal position is set entirely by .joy-left / .joy-right */
  display: none;            /* hidden by default on desktop/mouse */
  flex-direction: column;
  align-items: center;
  gap: 6px;
  z-index: 100;
}

/* Only show on touch/coarse-pointer devices (phones, tablets) */
@media (pointer: coarse) {
  .joystick-wrap { display: flex; }
}

/* Explicit left AND right on every variant so fixed positioning
   never falls back to the element's static (centred) position   */
.joystick-wrap.joy-right { right: 24px;   left: unset; }
.joystick-wrap.joy-left  { left:  24px;   right: unset; }

.joystick-label {
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* Outer ring */
.joystick-base {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(13, 30, 56, 0.75);
  border: 2px solid var(--border2);
  box-shadow: 0 0 24px rgba(0,0,0,0.55), inset 0 0 16px rgba(0,0,0,0.3);
  position: relative;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}

.joystick-base.active {
  border-color: var(--accent);
  box-shadow: 0 0 24px rgba(68,153,255,0.35), inset 0 0 16px rgba(0,0,0,0.3);
}

/* Direction hint rings (subtle) */
.joystick-base::before {
  content: '';
  position: absolute;
  inset: 14px;
  border-radius: 50%;
  border: 1px dashed rgba(68,153,255,0.18);
  pointer-events: none;
}

/* Draggable knob */
.joystick-knob {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #4499ff, #1a4aa0);
  border: 2px solid var(--accent);
  box-shadow: 0 0 14px rgba(68,153,255,0.55);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition: box-shadow 0.1s;
  will-change: transform;
}

.joystick-base.active .joystick-knob {
  box-shadow: 0 0 22px rgba(68,153,255,0.85);
}

/* ── Scrollbar styling ───────────────────────────────────────── */

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border2); }