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

body {
  background: #e8ecf0;
  color: #333;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

/* ===== Landing Page ===== */
.landing-container {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  height: 100vh; gap: 24px; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.landing-container h1 { font-size: 2.5rem; color: #fff; text-shadow: 0 2px 10px rgba(0,0,0,0.2); }
.landing-container p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 500px; text-align: center; }

.form-group { display: flex; flex-direction: column; gap: 8px; width: 320px; }
.form-group label { font-size: 0.9rem; color: #666; }
.landing-container .form-group label { color: rgba(255,255,255,0.7); }
.landing-container .form-group input,
.landing-container .form-group select {
  padding: 10px 14px; border: 1px solid rgba(255,255,255,0.2); border-radius: 8px;
  background: rgba(255,255,255,0.15); color: #fff; font-size: 1rem; outline: none;
  transition: border-color 0.2s; backdrop-filter: blur(4px);
}
.landing-container .form-group input::placeholder { color: rgba(255,255,255,0.5); }
.landing-container .form-group input:focus,
.landing-container .form-group select:focus { border-color: rgba(255,255,255,0.5); }
.form-group input, .form-group select {
  padding: 10px 14px; border: 1px solid #ccc; border-radius: 8px;
  background: #fff; color: #333; font-size: 1rem; outline: none;
  transition: border-color 0.2s;
}
.form-group input::placeholder { color: #999; }
.form-group input:focus, .form-group select:focus { border-color: #4a6fa5; }
.form-group input[type="range"] { padding: 0; background: transparent; border: none; }
.grid-size-display { text-align: center; color: #fff; font-size: 0.9rem; }

.btn {
  padding: 12px 24px; border: none; border-radius: 8px; font-size: 1rem;
  cursor: pointer; transition: all 0.2s; font-weight: 600;
}
.btn-primary { background: #fff; color: #5B6ABF; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 4px 15px rgba(0,0,0,0.2); }
.btn-secondary { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.3); }
.btn-secondary:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.25); }
.avatar-config-panel .btn-secondary,
.admin-panel .btn-secondary,
.shortcuts-inner .btn-secondary { background: #f0f0f0; color: #555; border: 1px solid #ddd; }
.avatar-config-panel .btn-secondary:hover,
.admin-panel .btn-secondary:hover { background: #e0e0e0; border-color: #bbb; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.error-message { color: #e74c3c; font-size: 0.85rem; display: none; }

/* ===== Room Canvas ===== */
#game-canvas { display: block; cursor: default; }

/* ===== HUD ===== */
.hud {
  position: absolute; top: 16px; left: 16px;
  display: flex; flex-direction: column; gap: 8px; pointer-events: none; z-index: 20;
}
.hud-item {
  background: rgba(255,255,255,0.9); backdrop-filter: blur(8px);
  padding: 8px 14px; border-radius: 8px; border: 1px solid rgba(0,0,0,0.1);
  font-size: 0.85rem; pointer-events: auto; box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.hud-room-name { font-weight: 600; color: #4a6fa5; }
.hud-coords { color: #888; font-size: 0.8rem; }
.hud-participants { color: #666; }

.copy-link-container { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.room-url-display { font-size: 0.7rem; color: #999; word-break: break-all; max-width: 180px; overflow: hidden; text-overflow: ellipsis; }
.btn-copy {
  padding: 3px 8px; border: 1px solid rgba(74,111,165,0.3); border-radius: 4px;
  background: rgba(74,111,165,0.1); color: #4a6fa5; font-size: 0.7rem; cursor: pointer;
}
.btn-copy:hover { background: rgba(74,111,165,0.2); }

/* ===== Toolbar ===== */
.toolbar {
  position: absolute; bottom: 0; left: 0; right: 0; height: 56px;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  border-top: 1px solid rgba(0,0,0,0.1);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; z-index: 30; box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}
.toolbar-left, .toolbar-center, .toolbar-right { display: flex; align-items: center; gap: 8px; }
.toolbar-btn {
  width: 40px; height: 40px; border: 1px solid rgba(0,0,0,0.1); border-radius: 8px;
  background: rgba(0,0,0,0.03); color: #555; cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 16px;
  transition: all 0.2s;
}
.toolbar-btn:hover { background: rgba(0,0,0,0.08); color: #333; }
.toolbar-btn.muted { background: rgba(255,107,107,0.15); border-color: rgba(255,107,107,0.3); color: #e74c3c; }
.toolbar-btn.sharing { background: rgba(46,204,113,0.15); border-color: rgba(46,204,113,0.3); color: #2ecc71; }
.toolbar-btn-danger { border-color: rgba(255,107,107,0.3); color: #e74c3c; }
.toolbar-btn-danger:hover { background: rgba(255,107,107,0.15); }
.toolbar-volume { width: 80px; }
.toolbar-radius { display: flex; align-items: center; gap: 4px; }
.toolbar-radius input[type="range"] { width: 60px; accent-color: #4a6fa5; }
.toolbar-volume input[type="range"] { width: 100%; accent-color: #4a6fa5; }
.reaction-bar { display: flex; gap: 4px; position: relative; z-index: 35; }
.reaction-btn {
  width: 36px; height: 36px; border: 1px solid rgba(0,0,0,0.08); border-radius: 8px;
  background: rgba(0,0,0,0.03); cursor: pointer; font-size: 16px;
  transition: transform 0.15s, background 0.15s; user-select: none;
}
.reaction-btn:hover { transform: scale(1.25); background: rgba(74,111,165,0.1); border-color: rgba(74,111,165,0.3); }
.reaction-btn:active { transform: scale(1.4); }

/* ===== Context Menu ===== */
.context-menu {
  position: absolute; z-index: 50;
  background: rgba(255,255,255,0.98); backdrop-filter: blur(12px);
  border: 1px solid rgba(0,0,0,0.1); border-radius: 8px;
  min-width: 180px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.ctx-menu-header { padding: 8px 12px; font-weight: 600; color: #4a6fa5; border-bottom: 1px solid rgba(0,0,0,0.08); font-size: 0.85rem; }
.ctx-menu-item { padding: 8px 12px; cursor: pointer; font-size: 0.85rem; color: #555; transition: background 0.15s; }
.ctx-menu-item:hover { background: rgba(74,111,165,0.08); }
.ctx-menu-danger { color: #e74c3c; }
.ctx-menu-danger:hover { background: rgba(231,76,60,0.08); }

/* ===== Admin Panel ===== */
.admin-panel {
  position: absolute; top: 0; right: -360px; width: 360px; height: 100%;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(12px);
  border-left: 1px solid rgba(0,0,0,0.1);
  z-index: 40; transition: right 0.3s ease; overflow-y: auto;
  padding-bottom: 60px; box-shadow: -4px 0 20px rgba(0,0,0,0.08);
}
.admin-panel.open { right: 0; }
.admin-panel-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px; border-bottom: 1px solid rgba(0,0,0,0.08);
}
.admin-panel-header h3 { color: #4a6fa5; }
.admin-close-btn { background: none; border: none; color: #999; cursor: pointer; font-size: 18px; }
.admin-close-btn:hover { color: #333; }

.admin-tabs { display: flex; border-bottom: 1px solid rgba(0,0,0,0.08); }
.admin-tab {
  flex: 1; padding: 10px 8px; background: none; border: none; color: #999;
  cursor: pointer; font-size: 0.8rem; border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.admin-tab:hover { color: #555; }
.admin-tab.active { color: #4a6fa5; border-bottom-color: #4a6fa5; }
.admin-tab-content { padding: 16px; }
.admin-tab-content h4 { color: #666; font-size: 0.85rem; margin-bottom: 8px; }

.admin-input {
  padding: 6px 10px; border: 1px solid #ddd; border-radius: 6px;
  background: #fff; color: #333; font-size: 0.85rem; outline: none;
}
.admin-input:focus { border-color: #4a6fa5; }

.participant-row {
  display: flex; align-items: center; gap: 6px; padding: 6px 0;
  border-bottom: 1px solid rgba(0,0,0,0.05); font-size: 0.85rem; flex-wrap: wrap; color: #555;
}
.participant-actions { margin-left: auto; display: flex; gap: 4px; }
.admin-action-btn {
  padding: 2px 8px; border: 1px solid #ddd; border-radius: 4px;
  background: rgba(74,111,165,0.08); color: #4a6fa5; cursor: pointer;
  font-size: 0.7rem;
}
.admin-action-btn:hover { background: rgba(74,111,165,0.15); }
.admin-action-btn.danger { border-color: rgba(231,76,60,0.3); color: #e74c3c; }
.admin-action-btn.danger:hover { background: rgba(231,76,60,0.1); }

.badge-admin { color: #f39c12; }
.badge-muted { font-size: 0.7rem; }
.badge-hand { font-size: 0.7rem; }
.badge-dc { color: #e74c3c; font-size: 0.7rem; }

.furniture-catalog { display: flex; flex-wrap: wrap; gap: 6px; }
.catalog-item {
  padding: 6px 10px; border: 1px solid #ddd; border-radius: 6px;
  background: rgba(74,111,165,0.05); color: #555; cursor: pointer;
  font-size: 0.8rem; transition: all 0.15s;
}
.catalog-item:hover { background: rgba(74,111,165,0.12); border-color: #4a6fa5; }

.placed-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 4px 8px; border-bottom: 1px solid rgba(0,0,0,0.05);
  font-size: 0.8rem; color: #555;
}
.placed-item:hover { background: rgba(74,111,165,0.04); }

.theme-presets { display: flex; flex-wrap: wrap; gap: 6px; }
.preset-btn {
  padding: 6px 12px; border: 1px solid #ddd; border-radius: 6px;
  background: rgba(74,111,165,0.05); color: #555; cursor: pointer; font-size: 0.8rem;
}
.preset-btn:hover { background: rgba(74,111,165,0.12); border-color: #4a6fa5; }

/* ===== Notifications ===== */
.notifications-container {
  position: absolute; bottom: 70px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column-reverse; gap: 6px;
  pointer-events: none; z-index: 50;
}
.notification {
  background: rgba(255,255,255,0.95); backdrop-filter: blur(8px);
  border: 1px solid rgba(0,0,0,0.1); border-radius: 8px;
  padding: 8px 16px; font-size: 0.85rem; color: #555; white-space: nowrap;
  opacity: 0; transform: translateY(10px); transition: opacity 0.3s, transform 0.3s;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
.notification-show { opacity: 1; transform: translateY(0); }
.notification-hide { opacity: 0; transform: translateY(-10px); }

/* ===== Reconnecting ===== */
.reconnecting-indicator {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  background: rgba(255,255,255,0.95); backdrop-filter: blur(8px);
  border: 1px solid rgba(231,76,60,0.3); border-radius: 12px;
  padding: 16px 24px; display: flex; align-items: center; gap: 12px;
  color: #e74c3c; font-size: 0.95rem; z-index: 80;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.reconnecting-spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(231,76,60,0.3); border-top-color: #e74c3c;
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Minimap ===== */
.minimap-container {
  position: absolute; bottom: 70px; right: 16px;
  background: rgba(255,255,255,0.9); backdrop-filter: blur(8px);
  border: 1px solid rgba(0,0,0,0.1); border-radius: 8px; overflow: hidden; z-index: 20;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
#minimap-canvas { display: block; }

/* ===== Avatar Config ===== */
.avatar-config-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.avatar-config-panel {
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.3); border-radius: 16px;
  padding: 32px; display: flex; gap: 32px; max-width: 700px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.2); color: #333;
}
.avatar-config-panel h2 { color: #4a6fa5; margin-bottom: 16px; }
.avatar-preview-container { width: 200px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
#avatar-preview-canvas { background: #f5f5f5; border-radius: 12px; border: 1px solid #ddd; }
.color-picker-group { display: flex; flex-direction: column; gap: 12px; }
.color-picker-item { display: flex; align-items: center; gap: 12px; }
.color-picker-item label { width: 80px; font-size: 0.85rem; color: #666; }
.color-picker-item input[type="color"] {
  width: 40px; height: 30px; border: 1px solid #ddd; border-radius: 6px;
  background: #fff; cursor: pointer; padding: 2px;
}

.room-info-display {
  background: rgba(74,111,165,0.1); border: 1px solid rgba(74,111,165,0.2);
  border-radius: 8px; padding: 8px 12px; margin-bottom: 16px;
  font-size: 0.85rem; color: #4a6fa5; text-align: center;
}

/* ===== Vote Popup ===== */
.vote-popup {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  z-index: 60; display: flex; align-items: center; justify-content: center;
}
.vote-popup-inner {
  background: rgba(255,255,255,0.98); backdrop-filter: blur(12px);
  border: 1px solid rgba(0,0,0,0.1); border-radius: 12px;
  padding: 24px; min-width: 300px; text-align: center;
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.vote-popup-inner h3 { color: #4a6fa5; margin-bottom: 16px; }
.vote-options { display: flex; flex-direction: column; gap: 8px; }
.vote-option-btn {
  padding: 10px 16px; border: 1px solid rgba(0,0,0,0.1); border-radius: 8px;
  background: rgba(74,111,165,0.05); color: #555; cursor: pointer;
  font-size: 0.9rem; transition: all 0.2s;
}
.vote-option-btn:hover { background: rgba(74,111,165,0.12); }
.vote-option-btn:disabled { opacity: 0.6; cursor: default; }
.vote-count { color: #4a6fa5; }
.vote-info { margin-top: 12px; color: #999; font-size: 0.8rem; }
.vote-close-btn {
  margin-top: 12px; padding: 6px 16px; border: 1px solid #ddd; border-radius: 6px;
  background: #f5f5f5; color: #666; cursor: pointer; font-size: 0.8rem;
}
.vote-close-btn:hover { background: #eee; }

/* ===== Chat ===== */
.chat-container {
  position: absolute; bottom: 66px; left: 16px; width: 300px;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(8px);
  border: 1px solid rgba(0,0,0,0.1); border-radius: 12px;
  z-index: 25; overflow: hidden; display: flex; flex-direction: column;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08); max-height: 350px;
  transition: max-height 0.3s ease;
}
.chat-container.chat-collapsed { max-height: 36px; }
.chat-container.chat-collapsed .chat-messages,
.chat-container.chat-collapsed .chat-input-row { display: none; }
.chat-header {
  padding: 8px 14px; font-size: 0.85rem; font-weight: 600; color: #4a6fa5;
  cursor: pointer; display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid rgba(0,0,0,0.06); flex-shrink: 0;
}
.chat-header:hover { background: rgba(0,0,0,0.02); }
.chat-badge {
  background: #e74c3c; color: #fff; border-radius: 10px;
  padding: 1px 6px; font-size: 0.7rem; font-weight: 700;
}
.chat-messages {
  flex: 1; overflow-y: auto; padding: 8px 12px;
  max-height: 250px; min-height: 100px;
}
.chat-msg {
  margin-bottom: 6px; font-size: 0.8rem; line-height: 1.3; color: #555;
}
.chat-msg-author { font-weight: 600; color: #4a6fa5; margin-right: 4px; }
.chat-msg-system { color: #999; font-style: italic; font-size: 0.75rem; }
.chat-input-row {
  display: flex; gap: 4px; padding: 8px; border-top: 1px solid rgba(0,0,0,0.06);
  flex-shrink: 0;
}
#chat-input {
  flex: 1; padding: 6px 10px; border: 1px solid #ddd; border-radius: 6px;
  background: #fff; color: #333; font-size: 0.8rem; outline: none;
}
#chat-input:focus { border-color: #4a6fa5; }
.chat-send-btn {
  padding: 6px 12px; border: none; border-radius: 6px;
  background: #4a6fa5; color: #fff; cursor: pointer; font-weight: 600;
}
.chat-send-btn:hover { background: #3a5f95; }

/* ===== Timer ===== */
.timer-display {
  position: absolute; top: 16px; left: 50%; transform: translateX(-50%);
  background: rgba(255,255,255,0.95); backdrop-filter: blur(8px);
  border: 1px solid rgba(0,0,0,0.1); border-radius: 12px;
  padding: 8px 20px; z-index: 25; box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
.timer-text { color: #4a6fa5; font-size: 1.2rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.timer-ended { color: #e74c3c; animation: pulse 0.5s ease-in-out 3; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }

/* ===== Whiteboard Pop-in ===== */
.whiteboard-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.6); display: flex; align-items: center;
  justify-content: center; z-index: 90;
}
.whiteboard-popup {
  background: #fff; border-radius: 16px; overflow: hidden;
  width: 90vw; max-width: 960px; height: 80vh; max-height: 700px;
  display: flex; flex-direction: column;
  box-shadow: 0 16px 60px rgba(0,0,0,0.3);
}
.whiteboard-header {
  display: flex; align-items: center; gap: 12px; padding: 12px 20px;
  border-bottom: 1px solid #eee; background: #fafafa; flex-shrink: 0;
}
.whiteboard-header h3 { color: #333; font-size: 1rem; white-space: nowrap; }
.whiteboard-tools { display: flex; align-items: center; gap: 12px; flex: 1; flex-wrap: wrap; }
.wb-colors { display: flex; gap: 4px; }
.wb-color-btn {
  width: 24px; height: 24px; border-radius: 50%; border: 2px solid transparent;
  cursor: pointer; transition: transform 0.15s;
}
.wb-color-btn:hover { transform: scale(1.2); }
.wb-color-btn.active { border-color: #333; box-shadow: 0 0 0 2px #fff, 0 0 0 4px #333; }
.wb-widths { display: flex; gap: 4px; }
.wb-width-btn {
  width: 28px; height: 28px; border: 1px solid #ddd; border-radius: 6px;
  background: #fff; color: #666; cursor: pointer; font-size: 0.7rem; font-weight: 600;
}
.wb-width-btn:hover { background: #f0f0f0; }
.wb-width-btn.active { background: #4a6fa5; color: #fff; border-color: #4a6fa5; }
.whiteboard-close-btn {
  margin-left: auto; width: 32px; height: 32px; border: none;
  background: none; color: #999; font-size: 20px; cursor: pointer; border-radius: 6px;
}
.whiteboard-close-btn:hover { background: #f0f0f0; color: #333; }
.whiteboard-canvas-container { flex: 1; padding: 8px; background: #f8f8f8; overflow: hidden; }
#whiteboard-canvas {
  width: 100%; height: 100%; border-radius: 8px; cursor: crosshair;
  background: #fff; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.08);
}

/* ===== Post-it Board ===== */
.postit-canvas {
  flex: 1; position: relative; overflow: hidden;
  background: #c4a06a; /* cork background */
  background-image: repeating-linear-gradient(0deg, transparent, transparent 20px, rgba(0,0,0,0.03) 20px, rgba(0,0,0,0.03) 21px),
                    repeating-linear-gradient(90deg, transparent, transparent 20px, rgba(0,0,0,0.03) 20px, rgba(0,0,0,0.03) 21px);
}
.postit-board-bg { width: 100%; height: 100%; position: relative; }
.postit-note {
  position: absolute; width: 140px; min-height: 100px; padding: 10px;
  border-radius: 2px; cursor: grab; user-select: none;
  font-size: 0.85rem; line-height: 1.3; color: #333;
  box-shadow: 2px 3px 8px rgba(0,0,0,0.15);
  transform: rotate(-1deg);
  display: flex; flex-direction: column;
}
.postit-note:nth-child(even) { transform: rotate(1deg); }
.postit-note:nth-child(3n) { transform: rotate(-2deg); }
.postit-note:active { cursor: grabbing; z-index: 10; box-shadow: 4px 6px 16px rgba(0,0,0,0.25); }
.postit-note textarea {
  flex: 1; border: none; background: transparent; color: #333;
  font-size: 0.85rem; line-height: 1.3; resize: none; outline: none;
  font-family: 'Segoe UI', sans-serif;
}
.postit-note .postit-delete {
  position: absolute; top: 2px; right: 4px;
  background: none; border: none; color: rgba(0,0,0,0.3); cursor: pointer;
  font-size: 14px; line-height: 1;
}
.postit-note .postit-delete:hover { color: #e74c3c; }
.postit-note .postit-author {
  font-size: 0.65rem; color: rgba(0,0,0,0.4); margin-top: 4px; text-align: right;
}
.postit-color-btn {
  width: 24px; height: 24px; border-radius: 4px; border: 2px solid transparent;
  cursor: pointer; transition: transform 0.15s;
}
.postit-color-btn:hover { transform: scale(1.15); }
.postit-color-btn.active { border-color: #333; }

/* ===== Shortcuts Modal ===== */
.shortcuts-modal {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.5); display: flex; align-items: center;
  justify-content: center; z-index: 90;
}
.shortcuts-inner {
  background: #fff; border: 1px solid #ddd; border-radius: 12px;
  padding: 24px; min-width: 350px; box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.shortcuts-inner h3 { color: #4a6fa5; margin-bottom: 16px; }
.shortcuts-table { width: 100%; border-collapse: collapse; margin-bottom: 16px; }
.shortcuts-table td { padding: 6px 8px; border-bottom: 1px solid rgba(0,0,0,0.05); font-size: 0.85rem; color: #555; }
.shortcuts-table td:first-child { color: #888; }
.shortcuts-table kbd {
  background: #f0f0f0; padding: 2px 6px; border-radius: 4px;
  border: 1px solid #ddd; font-size: 0.75rem; color: #666; margin-right: 2px;
}