:root {
  --primary: #4caf50;
  --accent: #ffd700;
  --danger: #ff5252;
  --zombie-purple: #9c27b0;
  --brain-pink: #e91e63;
  --glass-bg: rgba(20, 30, 20, 0.6);
  --glass-border: rgba(255, 255, 255, 0.1);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

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

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: linear-gradient(135deg, #0a1f0a, #1a3c1a);
  min-height: 100vh;
  color: white;
  user-select: none;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 8px; /* Fallback */
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
}

/* ========== WELCOME SCREEN ========== */
.welcome-screen {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.97), rgba(20, 40, 20, 0.97));
  z-index: 6000;
  display: flex;
  justify-content: center;
  align-items: center;
}
.welcome-content {
  text-align: center;
}
.welcome-title {
  font-size: 60px;
  font-weight: 900;
  margin-bottom: 10px;
  background: linear-gradient(180deg, #4caf50, #8bc34a);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 4px 20px rgba(76, 175, 80, 0.3);
}
.welcome-subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 30px;
}
.name-input-large {
  padding: 16px 24px;
  font-size: 20px;
  border: 2px solid var(--accent);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  text-align: center;
  width: 280px;
  margin-bottom: 20px;
}
.name-input-large::placeholder {
  color: rgba(255, 255, 255, 0.4);
}
.enter-btn {
  padding: 16px 50px;
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), #388e3c);
  border: none;
  border-radius: 30px;
  color: white;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 20px rgba(76, 175, 80, 0.4);
}
.enter-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(76, 175, 80, 0.5);
}

/* ========== LOBBY ========== */
.lobby {
  position: fixed;
  inset: 0;
  /* User requested gradient */
  background: linear-gradient(145deg, rgba(30, 40, 30, 0.95), rgba(20, 30, 20, 0.95));
  z-index: 5000;
  display: none;
  padding: 20px 30px;
  padding-left: max(30px, var(--safe-left));
  padding-right: max(30px, var(--safe-right));
  overflow-y: auto;
}

.lobby-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  align-items: center; /* Ensure vertical alignment */
}
.lobby-title {
  font-size: 36px; /* Increased size */
  font-weight: 800;
  background: linear-gradient(to right, #fff, #ddd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 15px;
}
.logo-emoji {
  font-size: 48px; /* Larger emoji */
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
  -webkit-text-fill-color: initial; /* Don't clip text on emoji */
}
.github-link {
  color: #fff;
  opacity: 0.7;
  transition: all 0.2s;
  display: flex;
  align-items: center;
}
.github-link:hover {
  opacity: 1;
  transform: scale(1.1);
}
.github-link svg {
  width: 32px; /* Enlarge icon */
  height: 32px;
}
.user-badge {
  background: rgba(255, 255, 255, 0.1);
  padding: 8px 16px;
  border-radius: 25px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.user-badge:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Flex Layout for Lobby */
.lobby-grid {
  display: flex;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: stretch;
}

.lobby-left-column {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Generic Section Style - Glassmorphism */
.section {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08); /* Subtle border */
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.section-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--accent);
  display: flex;
  align-items: center;
}
/* Centered Create Room Section */
/* Remove Grid Area defs as we use structure now */
.lobby-item-create {
  display: flex;
  flex-direction: column;
}
.lobby-item-create .section-title {
  font-size: 18px;
}
.lobby-item-create .mode-grid {
  /* Left align */
}
.lobby-item-create .create-container {
  display: flex;
  flex-direction: column;
  /* Left align */
}
.lobby-item-wait {
  /* No grid area needed */
}
.lobby-item-rooms {
  width: 320px; /* Fixed width sidebar */
  display: flex;
  flex-direction: column;
  min-height: 400px;
}
.lobby-item-leaderboard {
  /* No grid area needed */
}

/* Create Room Styles */
.mode-grid {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
  flex-wrap: wrap;
}
.mode-btn {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: white;
  cursor: pointer;
  transition: all 0.2s;
}
.mode-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
}
.mode-btn.selected {
  border-color: var(--accent);
  background: rgba(255, 215, 0, 0.15);
  color: var(--accent);
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.1);
}
.create-btn {
  width: auto;
  align-self: flex-start;
  margin-top: 10px;
  padding: 12px 40px;
  font-size: 18px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), #2e7d32);
  border: none;
  border-radius: 12px;
  color: white;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
  margin-top: 10px;
}
.create-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

/* Waiting Room */
.waiting-room {
  display: none; /* hidden by default */
}
.waiting-title {
  font-size: 18px;
  margin-bottom: 15px;
  text-align: center;
  font-weight: bold;
}
.waiting-slots {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-bottom: 15px;
}
.slot-column {
  background: rgba(0, 0, 0, 0.2);
  padding: 10px;
  border-radius: 12px;
  min-width: 140px;
  flex: 1;
}
.slot-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: bold;
}
.slot-header.plants {
  color: #8bc34a;
}
.slot-header.zombies {
  color: #ce93d8;
}

/* AI Button Styling */
.add-bot-btn {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 2px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s;
  color: #fff; /* White text for visibility */
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}
.add-bot-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
}

.player-slot {
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  margin-bottom: 4px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.player-slot.empty {
  opacity: 0.4;
  font-style: italic;
}
.player-slot.bot {
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.2);
}
.leave-btn {
  display: block;
  width: 100%;
  margin-top: 10px;
  background: rgba(255, 82, 82, 0.15);
  border: 1px solid rgba(255, 82, 82, 0.5);
  padding: 10px;
  border-radius: 8px;
  color: #ff8a80;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}
.leave-btn:hover {
  background: rgba(255, 82, 82, 0.25);
  color: white;
}

/* Room List */
.room-list {
  flex: 1; /* Take remaining height */
  overflow-y: auto;
  padding-right: 5px;
  min-height: 0; /* Important for flex child scrolling */
  /* max-height removed for desktop to fill grid area */
}
#refresh-btn {
  cursor: pointer;
  opacity: 0.7;
  padding: 4px;
  border-radius: 50%;
  transition: all 0.2s;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
#refresh-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  opacity: 1;
}
#refresh-btn:hover svg {
  transform: rotate(180deg);
}

.drag-ghost {
  position: fixed;
  width: 60px;
  height: 60px;
  font-size: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.8;
  transform: translate(-50%, -50%);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}
.room-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 15px;
  margin-bottom: 10px;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.2s;
}
.room-card:hover {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(5px);
}
.room-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
}
.room-name {
  font-weight: 700;
  font-size: 15px;
}
.room-mode {
  background: var(--accent);
  color: #000;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 800;
}
.room-players {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}
.no-rooms {
  text-align: center;
  padding: 40px;
  color: rgba(255, 255, 255, 0.3);
  font-style: italic;
}

/* Leaderboard */
.leaderboard-list {
  max-height: 200px;
  overflow-y: auto;
  font-size: 12px;
}
.lb-item {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
}
.lb-item:last-child {
  border-bottom: none;
}
.lb-winner {
  font-weight: 700;
}
.lb-winner.plants {
  color: #8bc34a;
}
.lb-winner.zombies {
  color: #ce93d8;
}
.lb-info {
  opacity: 0.6;
}

/* ========== MODAL & GAME UI ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 5500;
  display: none;
  justify-content: center;
  align-items: center;
}
.modal-overlay.active {
  display: flex;
}
.modal-box {
  background: linear-gradient(135deg, #1a2a1a, #0a150a);
  padding: 24px;
  border-radius: 16px;
  border: 2px solid var(--accent);
  text-align: center;
  min-width: 400px;
}
.modal-title {
  font-size: 20px;
  margin-bottom: 16px;
  color: var(--accent);
}
.team-grid {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 15px;
}
.team-card {
  padding: 15px 30px;
  border-radius: 12px;
  cursor: pointer;
  border: 2px solid;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  transition: transform 0.2s;
}
.team-card:hover {
  transform: translateY(-3px);
}
.team-card.plants {
  background: rgba(76, 175, 80, 0.2);
  border-color: #4caf50;
}
.team-card.zombies {
  background: rgba(156, 39, 176, 0.2);
  border-color: #9c27b0;
}
.team-card .icon {
  font-size: 32px;
}
.team-card .label {
  font-size: 14px;
  font-weight: 700;
}
.modal-close {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 20px;
  border-radius: 8px;
  color: white;
  cursor: pointer;
}

#main-wrapper {
  display: none;
  flex-direction: row;
  gap: 8px;
}

#game-container {
  width: 990px;
  height: 610px;
  position: relative;
  border-radius: 10px;
  background: linear-gradient(180deg, #2d5a27, #1a3c16);
  border: 3px solid #2d1f0f;
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  flex-shrink: 0;
}

#top-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 65px;
  padding: 3px 6px;
  display: flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.7));
  z-index: 100;
  border-bottom: 2px solid var(--accent);
}

.resource-box {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.6);
  padding: 3px 8px;
  border-radius: 20px;
  border: 2px solid;
  min-width: 68px;
}
.resource-box.sun {
  border-color: var(--accent);
}
.resource-box.brain {
  border-color: var(--brain-pink);
}
.resource-icon {
  font-size: 13px;
  margin-right: 2px;
}
.resource-count {
  font-size: 12px;
  font-weight: 800;
  min-width: 28px;
  text-align: right;
}
.resource-box.sun .resource-count {
  color: var(--accent);
}
.resource-box.brain .resource-count {
  color: #f48fb1;
}

#wave-display {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 10px;
  min-width: 38px;
  text-align: center;
}
#wave-display .wave-num {
  color: var(--accent);
  font-weight: 700;
  display: inline-block;
  min-width: 1.2em;
}

#player-info {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
}
#player-info .team-icon {
  font-size: 13px;
}
#player-info .name {
  font-weight: 700;
  color: var(--accent);
  max-width: 45px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#entity-menu {
  display: flex;
  gap: 2px;
  flex: 1;
  overflow-x: auto;
}
.entity-card {
  min-width: 42px;
  height: 52px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
}
.entity-card:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.2);
}
.entity-card.selected {
  border-color: var(--accent);
  background: rgba(255, 215, 0, 0.3);
  box-shadow: 0 0 5px rgba(255, 215, 0, 0.5);
}
.entity-card.disabled {
  filter: grayscale(100%) brightness(0.5);
  cursor: not-allowed;
}
.entity-card .icon {
  font-size: 17px;
}
.entity-card .cost {
  font-size: 7px;
  font-weight: 700;
  background: rgba(0, 0, 0, 0.6);
  padding: 1px 3px;
  border-radius: 3px;
}
.entity-card .name {
  font-size: 8px;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
  white-space: nowrap;
}
.entity-card.plant-card .cost {
  color: var(--accent);
}
.entity-card.zombie-card {
  border-color: rgba(156, 39, 176, 0.5);
}
.entity-card.zombie-card.selected {
  border-color: var(--brain-pink);
  background: rgba(233, 30, 99, 0.3);
}
.entity-card.zombie-card .cost {
  color: #f48fb1;
}

#game-board {
  position: absolute;
  top: 65px;
  left: 0;
  width: 100%;
  height: calc(100% - 65px);
  z-index: 50;
}
#game-background {
  position: absolute;
  top: 65px;
  left: 0;
  width: 100%;
  height: calc(100% - 65px);
  background-image: linear-gradient(rgba(0, 0, 0, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 0, 0, 0.05) 1px, transparent 1px);
  background-size: 110px 109px;
  background-position: 0 0;
  z-index: 1;
  pointer-events: none;
}

.entity {
  position: absolute;
  pointer-events: none;
}
.plant {
  width: 70px;
  height: 70px;
  z-index: 10;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 38px;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.4));
}
.zombie {
  width: 60px;
  height: 80px;
  z-index: 12;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 34px;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.4));
  transition: left 0.05s linear;
}
.zombie.slowed {
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.4)) hue-rotate(180deg) saturate(1.5) brightness(1.1);
  animation: zombie-freeze 0.5s ease-in-out infinite;
}
@keyframes zombie-freeze {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.85;
  }
}
.zombie.hit {
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.4)) brightness(2.5) saturate(0);
}
.zombie.burning {
  /* turn zombie reddish-orange + flickering glow */
  filter: sepia(100%) saturate(500%) hue-rotate(-15deg) brightness(1.2) drop-shadow(0 -2px 5px #ff5722);
  animation: zombie-burn 0.1s ease-in-out infinite alternate;
}
@keyframes zombie-burn {
  from {
    filter: sepia(100%) saturate(500%) hue-rotate(-15deg) brightness(1.2) drop-shadow(0 -2px 5px #ff5722);
  }
  to {
    filter: sepia(100%) saturate(600%) hue-rotate(-25deg) brightness(1.4) drop-shadow(0 -5px 10px #ff9800);
  }
}

.projectile {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  z-index: 100;
  pointer-events: none;
}
.pea-normal {
  background: radial-gradient(circle, #9ccc65, #4caf50);
  box-shadow:
    0 0 6px #4caf50,
    0 0 10px rgba(76, 175, 80, 0.5);
}
.pea-ice {
  background: radial-gradient(circle, #b3e5fc, #00bcd4);
  box-shadow:
    0 0 6px #00bcd4,
    0 0 10px rgba(0, 188, 212, 0.5);
}
.pea-fire {
  background: radial-gradient(circle, #ffcc80, #ff5722);
  box-shadow:
    0 0 8px #ff5722,
    0 0 12px rgba(255, 87, 34, 0.6);
}

.sun-token,
.brain-token {
  position: absolute;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid white;
  z-index: 100;
  cursor: pointer;
  pointer-events: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 14px;
  animation: float-token 2s ease-in-out infinite;
}
.sun-token {
  background: radial-gradient(circle, #fff9c4, #ffd700);
  box-shadow: 0 0 10px #ffd700;
}
.brain-token {
  background: radial-gradient(circle, #f8bbd9, #e91e63);
  box-shadow: 0 0 10px #e91e63;
}
@keyframes float-token {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

.health-bar {
  position: absolute;
  width: 38px;
  height: 3px;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 1px;
  overflow: hidden;
  z-index: 20;
  pointer-events: none;
}
.health-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #4caf50, #8bc34a);
  transition: width 0.08s;
}

.cell-highlight {
  position: absolute;
  width: 110px;
  height: 109px;
  background: rgba(255, 255, 255, 0.06);
  border: 2px dashed rgba(255, 255, 255, 0.25);
  border-radius: 3px;
  pointer-events: none;
  z-index: 5;
  display: none;
}
.cell-highlight.remove {
  border-color: #ff5252;
  background: rgba(255, 82, 82, 0.1);
}

.floating-text {
  position: absolute;
  font-weight: 900;
  font-size: 11px;
  pointer-events: none;
  z-index: 200;
  text-shadow: 1px 1px 2px #000;
  animation: float-up 0.45s forwards;
}
@keyframes float-up {
  to {
    transform: translateY(-22px);
    opacity: 0;
  }
}

.explosion {
  position: absolute;
  font-size: 45px;
  z-index: 50;
  pointer-events: none;
  animation: explode 0.28s forwards;
}
@keyframes explode {
  0% {
    transform: scale(0.5);
    opacity: 1;
  }
  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

.wave-banner {
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.85);
  padding: 12px 30px;
  border-radius: 8px;
  border: 2px solid var(--accent);
  font-size: 18px;
  font-weight: 900;
  z-index: 150;
  animation: wave-pop 1.5s forwards;
}
@keyframes wave-pop {
  0% {
    transform: translate(-50%, -50%) scale(0.5);
    opacity: 0;
  }
  10% {
    transform: translate(-50%, -50%) scale(1.1);
    opacity: 1;
  }
  20% {
    transform: translate(-50%, -50%) scale(1);
  }
  80% {
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0;
  }
}

.pause-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 200;
  display: none;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 10px;
}
.pause-overlay.active {
  display: flex;
}
.pause-title {
  font-size: 24px;
  color: var(--accent);
}
.pause-text {
  font-size: 12px;
  opacity: 0.7;
}

.row-selector {
  position: absolute;
  right: 10px;
  top: 65px;
  width: 50px;
  height: calc(100% - 65px);
  display: none;
  flex-direction: column;
  z-index: 60;
}
.row-selector.active {
  display: flex;
}
.row-btn {
  flex: 1;
  background: rgba(156, 39, 176, 0.3);
  border: 1px solid rgba(156, 39, 176, 0.5);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  color: white;
}
.row-btn:hover {
  background: rgba(233, 30, 99, 0.5);
}

.row-highlight {
  position: absolute;
  left: 0;
  width: 100%;
  height: 109px;
  background: rgba(233, 30, 99, 0.2);
  border: 2px dashed rgba(233, 30, 99, 0.6);
  pointer-events: none;
  z-index: 5;
  display: none;
}

.exit-btn {
  position: absolute;
  top: 5px;
  right: 5px;
  background: rgba(255, 82, 82, 0.3);
  border: 1px solid #ff5252;
  padding: 3px 8px;
  border-radius: 4px;
  color: white;
  cursor: pointer;
  font-size: 9px;
  z-index: 110;
}

#side-panel {
  display: none;
}

.side-box {
  background: rgba(0, 0, 0, 0.6);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}
.side-box-header {
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
}
.side-box-content {
  padding: 8px;
  font-size: 11px;
  max-height: 150px;
  overflow-y: auto;
}
.side-box-content.collapsed {
  display: none;
}

.log-entry,
.chat-msg {
  padding: 3px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  word-break: break-word;
}
.chat-msg .sender {
  color: var(--accent);
  font-weight: 700;
}
#chat-input {
  width: 100%;
  padding: 8px 10px;
  font-size: 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.4);
  color: white;
  margin-top: 5px;
}

.game-end-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 8000;
  display: none;
  justify-content: center;
  align-items: center;
}
.game-end-modal.active {
  display: flex;
}
.game-end-content {
  background: linear-gradient(135deg, #1a2a1a, #0a150a);
  padding: 22px 40px;
  border-radius: 12px;
  border: 2px solid var(--accent);
  text-align: center;
}
.game-end-title {
  font-size: 22px;
  margin-bottom: 6px;
}
.game-end-winner {
  font-size: 16px;
  color: var(--accent);
  margin-bottom: 12px;
}
.restart-btn {
  padding: 8px 25px;
  font-size: 13px;
  background: var(--primary);
  border: none;
  border-radius: 18px;
  color: white;
  cursor: pointer;
}

.lawnmower {
  position: absolute;
  width: 50px;
  height: 50px;
  font-size: 36px;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 15;
  transition: left 0.1s linear;
  filter: drop-shadow(2px 2px 2px rgba(0, 0, 0, 0.5));
}
.lawnmower.active {
  z-index: 100;
  animation: lawnmower-shake 0.1s linear infinite;
  filter: drop-shadow(0 0 8px #ff5722) drop-shadow(0 0 15px rgba(255, 87, 34, 0.6));
}
@keyframes lawnmower-shake {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

.reconnecting-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 9000;
  display: none;
  justify-content: center;
  align-items: center;
  font-size: 16px;
}
.reconnecting-overlay.active {
  display: flex;
}

/* Mobile Orientation Overlay */
.orientation-overlay {
  display: none; /* controlled by media query generally, but here JS might also be involved or media query below */
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #0a1f0a 0%, #1a3c1a 100%);
  z-index: 10000;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 24px;
  text-align: center;
  padding: 20px;
}
.orientation-overlay .rotate-icon {
  font-size: 80px;
  animation: rotate-phone 2s ease-in-out infinite;
}
.orientation-overlay .rotate-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}
.orientation-overlay .rotate-hint {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 280px;
}
@keyframes rotate-phone {
  0%,
  100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(-15deg);
  }
  75% {
    transform: rotate(15deg);
  }
}

@media screen and (max-width: 1024px) and (orientation: portrait) {
  .orientation-overlay {
    display: flex !important;
  }
  #main-wrapper,
  .lobby,
  .welcome-screen {
    display: none !important;
  }
}

.fullscreen-btn {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 4px 10px;
  border-radius: 6px;
  color: white;
  cursor: pointer;
  font-size: 14px;
  display: none;
  transition: all 0.2s;
}
.fullscreen-btn:hover,
.fullscreen-btn:active {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
}

.mobile-toggle-btn {
  display: none;
  position: fixed;
  bottom: env(safe-area-inset-bottom, 10px);
  right: env(safe-area-inset-right, 10px);
  background: rgba(0, 0, 0, 0.85);
  border: 2px solid var(--accent);
  padding: 10px 16px;
  border-radius: 30px;
  color: white;
  font-size: 16px;
  z-index: 200;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.mobile-panel-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 350;
}
.mobile-panel-overlay.active {
  display: block;
}
.mobile-panel-content {
  position: absolute;
  right: 0;
  top: 0;
  width: min(280px, 80vw);
  height: 100%;
  background: rgba(10, 30, 10, 0.98);
  padding: 15px;
  padding-right: env(safe-area-inset-right, 15px);
  overflow-y: auto;
  box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
}
.mobile-panel-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--danger);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  color: white;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========== MOBILE OPTIMIZATION ========== */
@media screen and (max-width: 768px) {
  /* Mobile Layout Reordering */
  .lobby-grid {
    flex-direction: column;
    padding-bottom: 50px;
  }
  .lobby-left-column {
    display: contents; /* Unbox for direct ordering */
  }

  /* Order: Create(1) -> Wait(2) -> Rooms(3) -> Leaderboard(4) */
  .lobby-item-create {
    order: 1;
  }
  .lobby-item-wait {
    order: 2;
  }
  .lobby-item-rooms {
    order: 3;
    width: 100%; /* Full width on mobile */
    height: auto;
    min-height: 0;
  }
  .room-list {
    max-height: 300px; /* Limit height on mobile */
  }
  .lobby-item-leaderboard {
    order: 4;
  }

  .lobby {
    padding: 10px 15px;
    padding-left: max(15px, var(--safe-left));
    padding-right: max(15px, var(--safe-right));
  }
}

/* Custom Scrollbar - Webkit */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.4);
}

/* Horizontal Phone Specific */
@media screen and (max-height: 500px) and (orientation: landscape) {
  body {
    padding: 0;
    margin: 0;
    overflow: hidden;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
    height: 100dvh;
  }
  #main-wrapper {
    flex-direction: row;
    gap: 0;
    width: 100vw;
    height: 100dvh;
    justify-content: center;
    align-items: center;
    overflow: hidden;
  }
  #game-container {
    transform-origin: center center;
    border-radius: 0;
    border: none;
    box-shadow: none;
  }
  #side-panel {
    display: none;
  }
  .mobile-toggle-btn {
    display: none;
  }
  .fullscreen-btn {
    display: block;
  }
  .connection-status {
    display: none;
  }

  /* Touch optimizations */
  #top-bar {
    height: 50px;
    padding: 2px 6px;
    gap: 4px;
  }
  .resource-box {
    min-width: 60px;
    padding: 3px 8px;
  }
  .resource-icon {
    font-size: 12px;
  }
  .resource-count {
    font-size: 11px;
    font-weight: 800;
  }
  #wave-display {
    padding: 3px 8px;
    font-size: 10px;
  }
  #player-info {
    display: none;
  }

  #entity-menu {
    gap: 4px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  #entity-menu::-webkit-scrollbar {
    display: none;
  }

  .entity-card {
    min-width: 44px;
    height: 44px;
    padding: 2px;
  }
  .entity-card .icon {
    font-size: 18px;
  }
  .entity-card .cost {
    font-size: 8px;
    padding: 1px 3px;
  }
  .entity-card .name {
    display: none;
  }

  .row-selector {
    width: 55px;
    right: 0;
    top: 50px;
    height: calc(100% - 50px);
  }
  .row-btn {
    font-size: 20px;
    font-weight: bold;
  }

  #game-board,
  #game-background {
    top: 50px;
    height: calc(100% - 50px);
  }

  .sun-token,
  .brain-token {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .exit-btn {
    padding: 6px 12px;
    font-size: 11px;
    top: 3px;
    right: max(5px, var(--safe-right));
  }
  .fullscreen-btn {
    position: absolute;
    top: 3px;
    left: 55px;
    right: auto;
  }

  /* Modal adjustments for landscape phone */
  .modal-box {
    min-width: 260px;
    padding: 12px;
    max-height: 90dvh;
    overflow-y: auto;
  }
  .team-card {
    padding: 10px 16px;
  }
  .team-card .icon {
    font-size: 24px;
  }
}

@media screen and (min-height: 501px) and (max-width: 1100px) and (orientation: landscape) {
  body {
    padding: 0;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
  }
  #main-wrapper {
    gap: 0;
  }
  #game-container {
    transform-origin: center center;
  }
  #side-panel {
    display: none;
  }
  .mobile-toggle-btn,
  .fullscreen-btn {
    display: block;
  }
}

html,
body {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}
#game-container,
#game-board {
  touch-action: none;
}
.entity-card,
.sun-token,
.brain-token,
.row-btn {
  touch-action: manipulation;
}

/* Safe Area Support */
@supports (padding: env(safe-area-inset-left)) {
  #top-bar {
    padding-left: max(6px, var(--safe-left));
    padding-right: max(6px, var(--safe-right));
  }
  #game-container {
    margin-left: var(--safe-left);
    margin-right: var(--safe-right);
  }
}