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

:root {
  --bg: #0a0a0a;
  --surface: #1a1a1a;
  --city1: #00f0ff;
  --city2: #ff2d55;
  --city1-glow: rgba(0, 240, 255, 0.3);
  --city2-glow: rgba(255, 45, 85, 0.3);
  --text: #eee;
  --text-dim: #555;
  --text-muted: #666;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ===== Loader Overlay ===== */
.loader-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s ease-out;
}

.loader-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--surface);
  border-top-color: var(--city2);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loader-text {
  color: var(--text-dim);
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ===== Header ===== */
header {
  text-align: center;
  padding: 40px 20px 20px;
}

.title {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: 6px;
  color: var(--text);
  text-transform: uppercase;
}

.title-accent {
  color: var(--city2);
  text-shadow: 0 0 30px var(--city2-glow);
}

.title-line {
  width: 200px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--city2), transparent);
  margin: 12px auto 0;
}

/* ===== Input Area ===== */
main {
  width: 100%;
  max-width: 800px;
  padding: 0 20px;
}

.input-area {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 24px;
}

.input-wrapper {
  flex: 1;
  position: relative;
}

.city-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid #333;
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.city-input:focus {
  border-color: var(--city2);
}

.city-input::placeholder {
  color: var(--text-dim);
}

.vs-badge {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--city2);
  padding-top: 10px;
  flex-shrink: 0;
}

/* ===== Autocomplete Suggestions ===== */
.suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #1e1e1e;
  border: 1px solid #333;
  border-top: none;
  border-radius: 0 0 6px 6px;
  max-height: 280px;
  overflow-y: auto;
  z-index: 10;
  display: none;
}

.suggestions.active {
  display: block;
}

.suggestion-item {
  padding: 10px 16px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text);
  border-bottom: 1px solid #2a2a2a;
}

.suggestion-item:last-child {
  border-bottom: none;
}

.suggestion-item:hover,
.suggestion-item.highlighted {
  background: #2a2a2a;
}

.suggestion-item .dep {
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* ===== Fight Button ===== */
.fight-btn {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--city2);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 4px;
  cursor: pointer;
  transition: opacity 0.2s, box-shadow 0.2s;
  text-transform: uppercase;
}

.fight-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.fight-btn:not(:disabled):hover {
  box-shadow: 0 0 20px var(--city2-glow);
}

/* ===== Battle Area ===== */
.battle-area {
  margin-top: 40px;
}

.battle-area.hidden {
  display: none;
}

.battle-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 32px;
}

.city-name {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0;
  transform: translateX(0);
}

.city-name.animate-in-left {
  animation: slam-left 0.4s ease-out forwards;
}

.city-name.animate-in-right {
  animation: slam-right 0.4s ease-out forwards;
}

.city1-color {
  color: var(--city1);
  text-shadow: 0 0 15px var(--city1-glow);
}

.city2-color {
  color: var(--city2);
  text-shadow: 0 0 15px var(--city2-glow);
}

.battle-vs {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--city2);
  text-shadow: 0 0 20px var(--city2-glow);
  opacity: 0;
}

.battle-vs.visible {
  opacity: 1;
}

/* ===== Stat Rows ===== */
.stats-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.stat-row {
  opacity: 0;
  transform: translateY(10px);
}

.stat-row.animate-in {
  animation: fade-up 0.3s ease-out forwards;
}

.stat-label {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 6px;
  font-weight: 600;
}

.stat-values {
  display: flex;
  align-items: center;
  gap: 8px;
}

.stat-value {
  width: 90px;
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
}

.stat-value.left {
  text-align: right;
}

.stat-value.right {
  text-align: left;
}

.stat-value.winner {
  font-weight: 700;
}

.stat-value.winner.city1 {
  color: var(--city1);
}

.stat-value.winner.city2 {
  color: var(--city2);
}

.stat-bar-track {
  flex: 1;
  height: 6px;
  background: var(--surface);
  border-radius: 3px;
  overflow: hidden;
}

.stat-bar-track.left {
  direction: rtl;
}

.stat-bar {
  height: 100%;
  width: 0;
  border-radius: 3px;
  transition: width 0.6s ease-out;
}

.stat-bar.city1 {
  background: linear-gradient(90deg, #00a8b5, var(--city1));
}

.stat-bar.city2 {
  background: linear-gradient(90deg, var(--city2), #ff6b81);
}

.stat-bar.winner.city1 {
  box-shadow: 0 0 8px var(--city1-glow);
}

.stat-bar.winner.city2 {
  box-shadow: 0 0 8px var(--city2-glow);
}

/* ===== Winner Banner ===== */
.winner-banner {
  text-align: center;
  margin-top: 32px;
  padding: 16px;
  border: 1px solid var(--city2);
  border-radius: 8px;
  background: rgba(255, 45, 85, 0.08);
  opacity: 0;
  transform: translateY(20px);
}

.winner-banner.hidden {
  display: none;
}

.winner-banner.animate-in {
  animation: slide-up 0.4s ease-out forwards;
}

.winner-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 4px;
}

.winner-name {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 2px;
}

.winner-name.city1 {
  color: var(--city1);
  text-shadow: 0 0 15px var(--city1-glow);
}

.winner-name.city2 {
  color: var(--city2);
  text-shadow: 0 0 15px var(--city2-glow);
}

.winner-name.tie {
  background: linear-gradient(90deg, var(--city1), var(--city2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.winner-banner.tie {
  border-color: var(--city1);
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(255, 45, 85, 0.05));
}

/* ===== Reset Button ===== */
.reset-btn {
  display: block;
  width: 100%;
  padding: 12px;
  margin-top: 24px;
  margin-bottom: 40px;
  background: transparent;
  border: 1px solid #333;
  border-radius: 6px;
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.reset-btn.hidden {
  display: none;
}

.reset-btn:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

/* ===== Screen Flash ===== */
.flash-overlay {
  position: fixed;
  inset: 0;
  background: white;
  z-index: 100;
  animation: flash 0.3s ease-out forwards;
  pointer-events: none;
}

/* ===== Animations ===== */
@keyframes slam-left {
  from { opacity: 0; transform: translateX(-60px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slam-right {
  from { opacity: 0; transform: translateX(60px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes flash {
  0%   { opacity: 0.7; }
  100% { opacity: 0; }
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .title {
    font-size: 1.8rem;
    letter-spacing: 4px;
  }

  .input-area {
    flex-direction: column;
    align-items: stretch;
  }

  .vs-badge {
    text-align: center;
    padding: 4px 0;
  }

  .city-name {
    font-size: 1.4rem;
  }

  .stat-value {
    width: 70px;
    font-size: 0.8rem;
  }
}