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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: white;
}

#authContainer {
    background: rgba(22, 33, 62, 0.95);
    padding: 50px;
    border-radius: 16px;
    border: 3px solid #e94560;
    max-width: 450px;
    width: 100%;
    box-shadow: 0 8px 32px rgba(233, 69, 96, 0.3);
}

#authContainer h1 {
    color: #e94560;
    margin-bottom: 30px;
    text-align: center;
    font-size: 32px;
}

.tabs {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 2px solid #0f3460;
}

.tab {
    flex: 1;
    padding: 12px;
    text-align: center;
    cursor: pointer;
    color: #aaa;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
}

.tab.active {
    color: #e94560;
    border-bottom-color: #e94560;
}

.tab:hover {
    color: #fff;
}

.form-container {
    display: none;
}

.form-container.active {
    display: block;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #aaa;
    font-size: 14px;
}

.input-group input {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    border: 2px solid #0f3460;
    border-radius: 8px;
    background: #0f3460;
    color: white;
    outline: none;
    transition: border-color 0.3s;
}

.input-group input:focus {
    border-color: #e94560;
}

.btn {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #e94560 0%, #d63851 100%);
    color: white;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(233, 69, 96, 0.4);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-test {
    background: linear-gradient(135deg, #51cf66 0%, #37b24d 100%);
    margin-top: 15px;
    font-size: 14px;
    padding: 12px;
}

.btn-test:hover {
    box-shadow: 0 4px 12px rgba(81, 207, 102, 0.4);
}

#errorMessage {
    color: #ff6b6b;
    text-align: center;
    margin-top: 15px;
    min-height: 20px;
    font-size: 14px;
}

#successMessage {
    color: #51cf66;
    text-align: center;
    margin-top: 15px;
    min-height: 20px;
    font-size: 14px;
}

.connection-status {
    text-align: center;
    margin-bottom: 20px;
    font-size: 14px;
}

.status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
}

.status-dot.connected {
    background: #51cf66;
    box-shadow: 0 0 8px #51cf66;
}

.status-dot.disconnected {
    background: #ff6b6b;
}

#gameContainer {
    text-align: center;
    display: none;
}

#gameCanvas {
    border: 3px solid #16213e;
    background: #0f3460;
    display: block;
    margin: 20px auto;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

#chatInput {
    width: 600px;
    padding: 14px;
    font-size: 16px;
    border: 2px solid #16213e;
    border-radius: 8px;
    background: #16213e;
    color: white;
    outline: none;
    transition: border-color 0.3s;
}

#chatInput:focus {
    border-color: #e94560;
}

.game-title {
    color: #e94560;
    margin-bottom: 15px;
    font-size: 36px;
}

.info {
    margin: 10px 0;
    color: #aaa;
    font-size: 14px;
}

.info span {
    color: #e94560;
    font-weight: bold;
}

.hidden {
    display: none !important;
}

.hint {
    text-align: center;
    color: #888;
    font-size: 12px;
    margin-top: 10px;
}

.test-mode-badge {
    background: #51cf66;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: bold;
    display: inline-block;
    margin-left: 10px;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: rgba(22, 33, 62, 0.95);
    padding: 40px;
    border-radius: 16px;
    border: 3px solid #e94560;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 8px 32px rgba(233, 69, 96, 0.5);
}

.modal-content h2 {
    color: #e94560;
    margin-bottom: 20px;
    text-align: center;
}

.modal-buttons {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.modal-buttons .btn {
    flex: 1;
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
}

.btn-skin {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 24px;
    font-size: 14px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #9775fa 0%, #845ef7 100%);
    color: white;
    cursor: pointer;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(151, 117, 250, 0.4);
    transition: transform 0.2s;
    z-index: 100;
}

.btn-skin:hover {
    transform: translateY(-2px);
}

/* ===== Skin / Room Skin UI ===== */

.btn-action {
    position: fixed;
    padding: 12px 20px;
    font-size: 13px;
    border: none;
    border-radius: 10px;
    color: white;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
    z-index: 100;
  }
  
  .btn-skin {
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg, #9775fa, #845ef7);
    box-shadow: 0 4px 14px rgba(151, 117, 250, 0.45);
  }
  
  .btn-room-skin {
    bottom: 20px;
    right: 160px;
    background: linear-gradient(135deg, #339af0, #1c7ed6);
    box-shadow: 0 4px 14px rgba(51, 154, 240, 0.45);
  }
  
  .btn-action:hover {
    transform: translateY(-2px);
  }
  
  .btn-room {
    background: linear-gradient(135deg, #339af0, #1c7ed6);
  }
  
  /* Превью скина */
  .skin-preview-box {
    width: 100%;
    height: 120px;
    background: #0f3460;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    overflow: hidden;
    border: 2px solid #1a3a6e;
  }
  
  .skin-preview-img {
    max-height: 110px;
    max-width: 100%;
    object-fit: contain;
    border-radius: 6px;
  }
  
  .skin-preview-placeholder {
    color: #555;
    font-size: 13px;
  }
  
  /* Превью фона комнаты */
  .room-preview-box {
    width: 100%;
    height: 140px;
    background: #0f3460;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    overflow: hidden;
    border: 2px solid #1a3a6e;
  }
  
  .room-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
  }
  
  /* Сетка готовых скинов */
  .skin-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    margin-bottom: 4px;
  }
  
  .skin-grid-item {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    background: #0f3460;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.2s, transform 0.15s;
    padding: 4px;
  }
  
  .skin-grid-item:hover {
    border-color: #9775fa;
    transform: scale(1.08);
  }
  
  .skin-grid-item.selected {
    border-color: #e94560;
  }
  
  /* Слайдеры */
  .slider-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 13px;
    color: #aaa;
  }
  
  .slider-row input[type="range"] {
    flex: 1;
    accent-color: #9775fa;
  }
  
  /* Метки в модалах */
  .modal-label {
    font-size: 13px;
    color: #aaa;
    margin-bottom: 8px;
  }
  
  .modal-hint {
    font-size: 12px;
    color: #f08c00;
    margin-top: 10px;
    text-align: center;
  }
  

  #roomSkinGrid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  #roomSkinGrid .skin-grid-item {
    aspect-ratio: 16/9;
    object-fit: cover;
  }
  
  /* ===== Room Panel ===== */
#roomPanel {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin: 10px auto;
    flex-wrap: wrap;
}

.room-join {
    display: flex;
    align-items: center;
    gap: 8px;
}

#roomIdInput {
    width: 120px;
    padding: 10px 14px;
    font-size: 15px;
    border: 2px solid #0f3460;
    border-radius: 8px;
    background: #0f3460;
    color: white;
    outline: none;
    transition: border-color 0.3s;
    /* убираем стрелки у number input */
    -moz-appearance: textfield;
}

#roomIdInput::-webkit-outer-spin-button,
#roomIdInput::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

#roomIdInput:focus {
    border-color: #339af0;
}

#roomIdInput::placeholder {
    color: #555;
}

.btn-join {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: bold;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #339af0, #1c7ed6);
    color: white;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 12px rgba(51, 154, 240, 0.35);
}

.btn-join:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(51, 154, 240, 0.5);
}

.btn-join:active {
    transform: translateY(0);
}



/* ===== License Button ===== */
.btn-license {
    position: fixed;
    bottom: 20px;
    left: 20px;
    padding: 8px 16px;
    font-size: 12px;
    font-weight: bold;
    border: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
    color: #888;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    z-index: 100;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.1);
}

.btn-license:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #ccc;
}

/* ===== License Modal ===== */
.license-modal-content {
    max-width: 600px;
}

.license-body {
    font-size: 14px;
    line-height: 1.7;
    color: #ccc;
}

.license-body a {
    color: #9775fa;
    text-decoration: none;
}

.license-body a:hover {
    text-decoration: underline;
}

.cc-icon {
    max-width: 1.1em;
    max-height: 1.1em;
    margin-left: 4px;
    vertical-align: middle;
    filter: invert(1) opacity(0.7);
}

.license-divider {
    border: none;
    border-top: 1px solid #1a3a6e;
    margin: 16px 0;
}

.license-plain {
    color: #777;
    font-size: 12px;
    font-style: italic;
}



/* ─── Обёртка игровой области (canvas + правая панель) ─── */
.game-area-wrapper {
    position: relative;
    display: inline-block;
    line-height: 0; /* убирает лишний отступ под canvas */
}

/* ─── Правая навигационная панель ─── */
.nav-panel {
    position: absolute;
    top: 0;
    right: -160px;        /* снаружи canvas, справа */
    width: 148px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0;
    z-index: 10;
}

.nav-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 14px 0;
}

.nav-section-title {
    font-size: 12px;
    font-weight: bold;
    color: #aad4f5;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    text-align: center;
}

.door-buttons-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.12);
    margin: 6px 0;
}

/* ─── Универсальная кнопка навигации ─── */
.nav-btn {
    width: 100%;
    padding: 11px 8px;
    font-size: 13px;
    font-weight: bold;
    border: 2px solid #1a3a6e;
    border-radius: 10px;
    background: #0d1f40;
    color: #cce4ff;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, transform 0.15s;
    text-align: center;
    line-height: 1.3;
}
.nav-btn:hover {
    background: #1a3a70;
    border-color: #339af0;
    color: white;
    transform: translateX(-2px);
}
.nav-btn:active {
    transform: translateX(0);
}

/* Дверь */
.nav-door-btn {
    border-color: #2a4a8a;
    background: #0f2550;
}
.nav-door-btn:hover {
    border-color: #51cf66;
    background: #0a2a15;
}
.nav-door-btn.active-room {
    border-color: #51cf66 !important;
    background: #0a2a15 !important;
    color: #51cf66 !important;
}

/* Лифт */
.nav-elevator-btn {
    border-color: #6741d9;
    background: #1a0d40;
}
.nav-elevator-btn:hover {
    border-color: #9775fa;
    background: #2a1060;
    color: #d0bfff;
}

/* Выйти из комнаты */
.nav-exit-btn {
    border-color: #c92a2a;
    background: #2a0d0d;
    color: #ffa8a8;
}
.nav-exit-btn:hover {
    border-color: #ff6b6b;
    background: #3d1010;
    color: #ffc9c9;
}

/* ─── Elevator Modal ─── */
.elevator-modal-content {
    max-width: 380px;
}

.elevator-floor-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 280px;
    overflow-y: auto;
    padding-right: 4px;
}

.elevator-floor-btn {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: bold;
    border: 2px solid #2a4a8a;
    border-radius: 10px;
    background: #0f3460;
    color: #cce4ff;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    text-align: left;
}
.elevator-floor-btn:hover {
    background: #1a4a80;
    border-color: #339af0;
    color: white;
}
.elevator-floor-btn.active-floor {
    border-color: #51cf66 !important;
    color: #51cf66 !important;
    background: #0a2a15 !important;
}

.nav-door-btn.occupied-room {
    border-color: #f59f00;
    background: #2a1f00;
    color: #ffd43b;
}
.nav-door-btn.occupied-room:hover {
    border-color: #ffd43b;
    background: #3d2e00;
}