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

/* ══ VARIABLES ═══════════════════════════════════ */
:root {
  --bg:        #0b0c10;
  --surface:   #13151c;
  --card:      #1a1d27;
  --border:    #252836;
  --accent:    #f7df1e;
  --accent2:   #e63946;
  --green:     #06d6a0;
  --text:      #dde3f0;
  --muted:     #4a5270;
  --radius:    14px;
  --font-head: 'Bebas Neue', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --font-body: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Animated radial glow blobs ── */
body::after {
  content: '';
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 15% 20%, rgba(247,223,30,0.045) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 85% 75%, rgba(230,57,70,0.04)  0%, transparent 55%),
    radial-gradient(ellipse 40% 50% at 50% 50%, rgba(6,214,160,0.025)  0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
  animation: blobPulse 10s ease-in-out infinite alternate;
}

@keyframes blobPulse {
  0%   { opacity: 0.6; transform: scale(1)    rotate(0deg); }
  50%  { opacity: 1;   transform: scale(1.08) rotate(1deg); }
  100% { opacity: 0.7; transform: scale(0.96) rotate(-1deg); }
}

/* ── Animated grid lines ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(247,223,30,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247,223,30,0.022) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
  z-index: 0;
  animation: gridDrift 20s linear infinite;
}

@keyframes gridDrift {
  0%   { background-position: 0 0; }
  100% { background-position: 52px 52px; }
}

/* ── Floating particles ── */
.particles {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  animation: floatUp linear infinite;
  opacity: 0;
}

@keyframes floatUp {
  0%   { transform: translateY(110vh) scale(0.5); opacity: 0;   }
  10%  { opacity: 0.5; }
  90%  { opacity: 0.2; }
  100% { transform: translateY(-10vh) scale(1.2); opacity: 0; }
}

/* ══ SCREENS ═════════════════════════════════════ */
.screen { display: none; min-height: 100vh; position: relative; z-index: 1; }
.screen.active { display: block; }

/* ══ START SCREEN ════════════════════════════════ */
.start-wrapper {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  display: flex;
  flex-direction: column;
  gap: 36px;
  align-items: center;
}

/* gallows preview */
.gallows-preview { opacity: 0.8; }

/* brand */
.brand { text-align: center; }
.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 6px;
}
.game-title {
  font-family: var(--font-head);
  font-size: clamp(4rem, 14vw, 7rem);
  line-height: 1;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--accent) 0%, #f0a500 50%, var(--accent) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmerText 3s linear infinite, titleDrop 0.8s ease both;
  filter: drop-shadow(0 0 32px rgba(247,223,30,0.3));
}

@keyframes shimmerText {
  0%   { background-position: 0% center; }
  100% { background-position: 200% center; }
}

@keyframes titleDrop {
  from { opacity: 0; transform: translateY(-30px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0)     scale(1); }
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

/* form */
.start-form { width: 100%; }

.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

input[type="text"] {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(247,223,30,0.08); }
input.error { border-color: var(--accent2) !important; }

.err-msg { font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent2); display: block; margin-top: 5px; min-height: 14px; }

/* difficulty */
.difficulty-row { display: flex; gap: 8px; margin-bottom: 6px; }
.diff-btn {
  flex: 1;
  padding: 9px;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.05em;
}
.diff-btn:hover { border-color: var(--accent); color: var(--text); }
.diff-btn.active { background: rgba(247,223,30,0.1); border-color: var(--accent); color: var(--accent); }

.diff-desc {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--muted);
  display: block;
  margin-top: 4px;
}

/* category grid */
.choose-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}
.cat-btn {
  padding: 16px 12px;
  border-radius: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}
.cat-btn .cat-icon { font-size: 1.5rem; }
.cat-btn:hover { border-color: var(--accent); background: rgba(247,223,30,0.06); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(247,223,30,0.1); }
.cat-btn:active { transform: translateY(0); }

/* leaderboard */
.leaderboard {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.lb-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}
.lb-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}
.lb-entry:last-child { border-bottom: none; }
.lb-rank { font-family: var(--font-mono); color: var(--muted); font-size: 0.7rem; width: 20px; }
.lb-name { flex: 1; margin-left: 10px; }
.lb-score { font-family: var(--font-mono); color: var(--accent); font-weight: 500; }
.lb-empty { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); }
.lb-del-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 0.65rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: all 0.2s;
  font-family: var(--font-mono);
  margin-left: 8px;
}
.lb-del-btn:hover { color: var(--accent2); border-color: var(--accent2); background: rgba(230,57,70,0.07); }

/* ══ TOP BAR ═════════════════════════════════════ */
.top-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 16px 28px;
  background: rgba(19,21,28,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.top-bar::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(247,223,30,0.25), rgba(230,57,70,0.15), transparent);
}
.top-item { display: flex; flex-direction: column; gap: 2px; }
.top-label { font-family: var(--font-mono); font-size: 0.58rem; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; }
.top-val { font-family: var(--font-mono); font-size: 0.9rem; font-weight: 500; color: var(--text); }
.top-val.accent { color: var(--accent); font-size: 1rem; }
.quit-btn {
  margin-left: auto;
  padding: 7px 14px;
  border-radius: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  cursor: pointer;
  transition: all 0.2s;
}
.quit-btn:hover { color: var(--accent2); border-color: var(--accent2); }

/* ══ GAME BODY ════════════════════════════════════ */
.game-body {
  display: flex;
  gap: 40px;
  padding: 32px 28px;
  max-width: 960px;
  margin: 0 auto;
  flex-wrap: wrap;
}

/* Left panel */
.left-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  min-width: 200px;
}

.hangman-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.hangman-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(247,223,30,0.08), transparent 50%, rgba(230,57,70,0.05));
  pointer-events: none;
}

.hangman-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; transform: translateX(-50%);
  width: 80%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(247,223,30,0.3), transparent);
}

.hpart { display: none; }
.hpart.show { display: block; animation: popIn 0.3s ease; }

@keyframes popIn {
  0%   { opacity: 0; transform: scale(0.7); }
  60%  { transform: scale(1.1); }
  100% { opacity: 1; transform: scale(1); }
}

.lives-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.lives-label { font-family: var(--font-mono); font-size: 0.65rem; color: var(--muted); }
.hearts { display: flex; gap: 4px; }
.heart { font-size: 1.1rem; transition: all 0.3s; }
.heart.lost { filter: grayscale(1); opacity: 0.25; transform: scale(0.8); }

.hint-btn {
  background: rgba(247,223,30,0.08);
  border: 1px solid rgba(247,223,30,0.25);
  border-radius: 8px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 8px 14px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.hint-btn:hover:not(:disabled) { background: rgba(247,223,30,0.15); }
.hint-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.hint-btn small { display: block; font-size: 0.58rem; color: var(--muted); margin-top: 2px; }

.diff-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
  color: var(--muted);
}

/* Right panel */
.right-panel { flex: 1; min-width: 280px; display: flex; flex-direction: column; gap: 28px; }

.word-section { display: flex; flex-direction: column; gap: 14px; }

.word-hint-text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  font-style: italic;
  min-height: 18px;
}

.guess-slots {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.slot {
  width: 44px;
  height: 54px;
  border-bottom: 3px solid var(--border);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 4px;
  font-family: var(--font-head);
  font-size: 2rem;
  color: var(--accent);
  transition: border-color 0.3s;
  position: relative;
}
.slot.revealed { border-color: var(--accent); animation: reveal 0.35s ease; }
.slot.hint-reveal { border-color: var(--green); }

@keyframes reveal {
  0%   { transform: translateY(-8px); opacity: 0; }
  100% { transform: translateY(0);    opacity: 1; }
}

.wrong-row { display: flex; align-items: center; gap: 8px; }
.wrong-label { font-family: var(--font-mono); font-size: 0.65rem; color: var(--muted); }
.wrong-letters { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent2); letter-spacing: 0.1em; }

/* Keyboard */
.keyboard {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}
.key {
  aspect-ratio: 1;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  user-select: none;
}
.key:hover:not(.clicked) {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(247,223,30,0.15);
  background: rgba(247,223,30,0.05);
}
.key.correct { background: rgba(6,214,160,0.15); border-color: var(--green); color: var(--green); }
.key.wrong   { background: rgba(230,57,70,0.1);  border-color: var(--accent2); color: var(--accent2); }
.key.clicked { pointer-events: none; opacity: 0.35; }

.keyboard-tip {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.1em;
}

/* ══ RESULT SCREEN ═══════════════════════════════ */
#resultScreen { background: rgba(11,12,16,0.97); display: none; align-items: center; justify-content: center; }
#resultScreen.active { display: flex; }

.result-outer { display: flex; align-items: center; justify-content: center; width: 100%; padding: 24px; }
.result-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 40px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  animation: slideUp 0.4s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.result-emoji { font-size: 3rem; margin-bottom: 8px; display: block; }
.result-title {
  font-family: var(--font-head);
  font-size: 3.5rem;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.result-title.win  { color: var(--green); }
.result-title.lose { color: var(--accent2); }
.result-player { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); margin-bottom: 20px; }

.result-word-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 20px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.result-word-label { font-family: var(--font-mono); font-size: 0.6rem; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; }
.result-word { font-family: var(--font-head); font-size: 2rem; color: var(--accent); letter-spacing: 0.1em; }

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 28px;
}
.stat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-label { font-family: var(--font-mono); font-size: 0.6rem; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; }
.stat-val { font-family: var(--font-head); font-size: 1.8rem; color: var(--text); }
.stat-val.accent { color: var(--accent); }

.result-actions { display: flex; gap: 10px; }
.btn-primary {
  flex: 1;
  padding: 13px;
  border-radius: 8px;
  background: var(--accent);
  color: #111;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-ghost {
  flex: 1;
  padding: 13px;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--muted); }

/* shake animation for wrong key */
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%,60% { transform: translateX(-5px); }
  40%,80% { transform: translateX(5px); }
}
.shake { animation: shake 0.35s ease; }

/* ── Corner decorations on result card ── */
.result-card::before,
.result-card::after {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  border-color: var(--accent);
  border-style: solid;
  opacity: 0.4;
}
.result-card::before { top: 12px; left: 12px; border-width: 2px 0 0 2px; border-radius: 2px 0 0 0; }
.result-card::after  { bottom: 12px; right: 12px; border-width: 0 2px 2px 0; border-radius: 0 0 2px 0; }

/* ── Pulsing score display ── */
.top-val.accent {
  animation: scorePulse 2s ease-in-out infinite;
}

@keyframes scorePulse {
  0%, 100% { text-shadow: 0 0 8px rgba(247,223,30,0.3); }
  50%       { text-shadow: 0 0 16px rgba(247,223,30,0.6); }
}

/* ── Slot glow when correct ── */
.slot.revealed {
  border-color: var(--accent);
  animation: reveal 0.35s ease, slotGlow 2s ease-in-out infinite;
}

@keyframes slotGlow {
  0%, 100% { text-shadow: 0 0 8px rgba(247,223,30,0.3); }
  50%       { text-shadow: 0 0 18px rgba(247,223,30,0.6); }
}

/* ── Win screen confetti burst ── */
.result-title.win {
  animation: winBurst 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes winBurst {
  0%   { transform: scale(0.5);  opacity: 0; }
  60%  { transform: scale(1.15); opacity: 1; }
  80%  { transform: scale(0.95); }
  100% { transform: scale(1); }
}

/* ── Scanline on game screen ── */
#gameScreen::after {
  content: '';
  position: fixed;
  top: -100%;
  left: 0; right: 0;
  height: 40%;
  background: linear-gradient(to bottom, transparent, rgba(247,223,30,0.015), transparent);
  pointer-events: none;
  animation: scanline 8s linear infinite;
  z-index: 0;
}

@keyframes scanline {
  0%   { top: -40%; }
  100% { top: 100%; }
}

/* ── Stat box hover glow ── */
.stat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.stat-box:hover { border-color: rgba(247,223,30,0.25); box-shadow: 0 4px 16px rgba(247,223,30,0.06); }

/* ── Leaderboard entry hover ── */
.lb-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  transition: background 0.2s, padding 0.2s;
  border-radius: 4px;
}
.lb-entry:hover { background: rgba(247,223,30,0.04); padding-left: 6px; }

/* ══ RESPONSIVE ══════════════════════════════════ */
@media (max-width: 640px) {
  .game-body { padding: 20px 16px; gap: 24px; }
  .top-bar { padding: 12px 16px; gap: 16px; }
  .keyboard { grid-template-columns: repeat(7, 1fr); gap: 5px; }
  .key { font-size: 0.72rem; }
  .slot { width: 36px; height: 44px; font-size: 1.6rem; }
}