/* ═══════════════════════════════════════════════
   Type Test — Game Room theme
   Fonts: Bebas Neue (display) · DM Sans (body) · DM Mono (mono)
   ═══════════════════════════════════════════════ */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg:         #000000;
  --surface:    #121212;
  --surface2:   #181818;
  --surface3:   #282828;
  --border:     #282828;
  --border2:    #404040;
  --text:       #ffffff;
  --muted:      #a7a7a7;
  --muted2:     #535353;
  --green:      #1db954;
  --green-lt:   #1ed760;
  --green-dim:  #1aa34a;
  --green-glow: rgba(29,185,84,0.28);
  --red:        #ff4444;
  --warning:    #ff6b35;
  --radius:     8px;
  --transition: 0.2s ease;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'DM Mono', monospace;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--muted);
  font-family: var(--font-body);
  overflow: hidden;
}

body::before {
  content: '';
  position: fixed; inset: 0;
  background: radial-gradient(ellipse 70% 50% at 10% 0%, rgba(29,185,84,0.08) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* --- Layout --- */
#app {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 100vh;
  padding: 1rem 2rem 2rem;
}

/* --- Home Button --- */
.home-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  border: 1px solid var(--border2);
  border-radius: 999px;
  background: var(--surface3);
  transition: border-color .2s, color .2s, background .2s;
  flex-shrink: 0;
  white-space: nowrap;
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 10;
}
.home-btn:hover { border-color: var(--green); color: var(--green); background: var(--green-dim); }
.home-btn svg { width: 12px; height: 12px; }

/* --- Header --- */
#header {
  margin-bottom: 2rem;
  text-align: center;
}

#logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 3px;
}

#logo .green {
  color: var(--green);
}

/* --- Timer --- */
#timer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 2.5rem;
}

#timer {
  font-family: var(--font-mono);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
  transition: color var(--transition);
}

#timer.warning {
  color: var(--warning);
}

#timer.danger {
  color: var(--red);
  animation: pulse 0.5s ease-in-out infinite;
}

#timer-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 0.25rem;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* --- Words Display --- */
#words-container {
  width: 100%;
  max-width: 820px;
  height: 180px;
  overflow: hidden;
  position: relative;
  margin-bottom: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

#words {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  line-height: 1.8;
  word-spacing: 0.5rem;
  letter-spacing: 0.05rem;
}

/* Word styling */
.word {
  display: inline-block;
  margin-right: 0.5rem;
  position: relative;
}

.word.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--green);
  animation: blink 0.8s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Letters within a word */
.letter {
  transition: color 0.05s ease;
}

.letter.default {
  color: var(--muted2);
}

.letter.correct {
  color: var(--text);
}

.letter.incorrect {
  color: var(--red);
}

.letter.typed {
  color: var(--text);
}

/* Correct word highlight */
.word.completed-correct .letter {
  color: var(--green-dim);
}

/* --- Hidden Input --- */
#hidden-input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

/* --- Instructions --- */
#instructions {
  font-family: var(--font-mono);
  color: var(--muted2);
  font-size: 0.9rem;
  text-align: center;
  margin-top: 1rem;
  transition: opacity var(--transition);
}

#instructions.hidden {
  opacity: 0;
}

/* --- Results Overlay --- */
#results-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(4px);
  transition: opacity 0.3s ease;
}

#results-overlay.hidden {
  display: none;
  opacity: 0;
}

#results-card {
  background: var(--surface);
  border-radius: 12px;
  padding: 3rem 4rem;
  text-align: center;
  max-width: 460px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(29, 185, 84, 0.2);
}

#results-card h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 3px;
  color: var(--muted);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

#results-wpm {
  margin-bottom: 2rem;
}

#wpm-value {
  font-family: var(--font-mono);
  font-size: 5rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
  display: block;
}

#wpm-label {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: 3px;
}

#results-stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.25rem;
}

/* --- Replay Button --- */
#replay-btn {
  background: var(--green);
  color: #000;
  border: none;
  padding: 0.9rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-display);
  border-radius: 500px;
  cursor: pointer;
  letter-spacing: 2px;
  transition: all var(--transition);
  box-shadow: 0 0 16px var(--green-glow);
}

#replay-btn:hover {
  background: var(--green-lt);
  transform: scale(1.05);
}

#replay-btn:active {
  transform: scale(0.98);
}

/* --- Responsive --- */
@media (max-width: 600px) {
  #app {
    padding: 1rem;
  }

  #words-container {
    height: 160px;
    padding: 1rem;
  }

  #words {
    font-size: 1.1rem;
    word-spacing: 0.3rem;
  }

  #timer {
    font-size: 2.5rem;
  }

  #results-card {
    padding: 2rem 1.5rem;
  }

  #wpm-value {
    font-size: 3.5rem;
  }

  #results-stats {
    gap: 1.5rem;
  }
}

/* ── Light mode ── */
[data-theme="light"] {
  --bg:         #ffffff;
  --surface:    #f5f5f5;
  --surface2:   #eeeeee;
  --surface3:   #e0e0e0;
  --border:     #d0d0d0;
  --border2:    #b0b0b0;
  --text:       #121212;
  --muted:      #555555;
  --muted2:     #888888;
  --green-dim:  #1aa34a;
  --green-glow: rgba(29,185,84,0.18);
}
[data-theme="light"] body::before {
  background: radial-gradient(ellipse 70% 50% at 10% 0%, rgba(29,185,84,0.04) 0%, transparent 60%);
}

/* ── Settings ── */
.settings-btn {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--border2); background: var(--surface);
  color: var(--muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .2s, color .2s;
}
.settings-btn:hover { border-color: var(--green); color: var(--green); }
.settings-btn svg { width: 16px; height: 16px; }
.settings-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--surface); border: 1px solid var(--border2);
  border-radius: 8px; min-width: 200px; z-index: 100;
  box-shadow: 0 12px 40px rgba(0,0,0,0.6); padding: 14px;
}
.settings-dropdown.hidden { display: none; }
.settings-title {
  font-family: 'Bebas Neue', sans-serif; font-size: 18px;
  letter-spacing: 2px; color: var(--text); margin-bottom: 12px;
}
.settings-group { margin-bottom: 12px; }
.settings-label-sm {
  font-size: 11px; color: var(--muted); margin-bottom: 6px;
  font-family: 'DM Mono', monospace; letter-spacing: 0.5px;
}
.time-options { display: flex; gap: 4px; flex-wrap: wrap; }
.time-opt {
  flex: 1; padding: 7px 4px; border: 1px solid var(--border2);
  border-radius: 4px; background: transparent; color: var(--muted);
  font-family: 'DM Mono', monospace; font-size: 12px;
  cursor: pointer; transition: all .15s;
}
.time-opt:hover { border-color: var(--green); color: var(--green); }
.time-opt.active { background: var(--green); color: #000; border-color: var(--green); }
.toggle-label { font-size: 12px; color: var(--muted); cursor: pointer; display: flex; align-items: center; gap: 8px; }
.custom-time-input {
  width: 100%; padding: 8px 10px;
  border: 1px solid var(--border2); border-radius: 4px;
  background: var(--surface2); color: var(--text);
  font-family: 'DM Mono', monospace; font-size: 13px;
  outline: none; transition: border-color .2s;
}
.custom-time-input:focus { border-color: var(--green); }
.settings-apply {
  width: 100%; padding: 10px; border: none; border-radius: 6px;
  background: var(--green); color: #000; font-family: 'Bebas Neue', sans-serif;
  font-size: 15px; letter-spacing: 1.5px; cursor: pointer; margin-top: 4px;
  transition: background .15s;
}
.settings-apply:hover { background: #1ed760; }