/* Dialogue Engine - Modern Web & Mobile Cowork Stylesheet */
:root {
  --bg-primary: #1e1e1e;
  --bg-secondary: #252526;
  --bg-canvas: #2b2b2b;
  --grid-line: #333333;
  --text-primary: #f0f0f0;
  --text-secondary: #aaaaaa;
  --text-muted: #666666;
  --accent: #4a90e2;
  --accent-hover: #357abd;
  --success: #2ecc71;
  --warning: #f39c12;
  --danger: #e74c3c;
  --border: #3c3c3c;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Верхняя панель управления */
.topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50px;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  font-size: 20px;
  color: var(--accent);
}

.brand-title {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.5px;
}

.project-title {
  font-size: 12px;
  color: var(--text-secondary);
  background: #2a2a2a;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: #333333;
  color: var(--text-primary);
  border: 1px solid #444444;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn:hover {
  background-color: #444444;
  border-color: #555555;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
}

.btn-success {
  background-color: #27ae60;
  border-color: #27ae60;
  color: white;
}

/* Список участников коворка в шапке */
.collaborators-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: #282828;
  border: 1px solid #3d3d3d;
  padding: 4px 10px;
  border-radius: 20px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.collaborators-pill:hover {
  border-color: var(--accent);
}

.collaborators-avatars {
  display: flex;
  margin-left: 2px;
}

.user-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: bold;
  color: white;
  border: 2px solid var(--bg-primary);
  margin-left: -6px;
}

.user-avatar:first-child {
  margin-left: 0;
}

/* Холст графа */
.canvas-container {
  position: absolute;
  top: 50px;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  cursor: grab;
  background-color: var(--bg-canvas);
  background-image: 
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
}

.canvas-container:active {
  cursor: grabbing;
}

.canvas-world {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  will-change: transform;
}

.connections-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100000px;
  height: 100000px;
  pointer-events: none;
  overflow: visible;
  z-index: 10;
}

.connection-path {
  fill: none;
  stroke: #a9b7c6;
  stroke-width: 2.5;
  stroke-linecap: round;
  pointer-events: stroke;
  cursor: pointer;
  transition: stroke 0.15s, stroke-width 0.15s;
}

.connection-path:hover {
  stroke: #ffcc00;
  stroke-width: 4;
}

.connection-active {
  stroke: #ffcc00;
  stroke-dasharray: 6;
  animation: dash 1s linear infinite;
}

@keyframes dash {
  to {
    stroke-dashoffset: -12;
  }
}

/* Узлы графа */
.node-card {
  position: absolute;
  width: 200px;
  min-height: 90px;
  background-color: #3c3f41;
  border: 1px solid #4d5154;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  cursor: default;
  z-index: 20;
  transition: box-shadow 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
}

.node-card.selected {
  border-color: #2ecc71;
  box-shadow: 0 0 0 2px rgba(46, 204, 113, 0.6), 0 6px 16px rgba(0, 0, 0, 0.6);
}

.node-header {
  height: 28px;
  background-color: var(--accent);
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
  cursor: grab;
  font-size: 12px;
  font-weight: 600;
  color: white;
}

.node-header:active {
  cursor: grabbing;
}

.node-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 140px;
}

.node-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.node-action-btn {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.8);
  font-size: 11px;
  cursor: pointer;
  padding: 2px;
  border-radius: 2px;
}

.node-action-btn:hover {
  color: white;
  background: rgba(255, 255, 255, 0.2);
}

.node-body {
  padding: 8px;
  font-size: 11px;
  line-height: 1.4;
  color: #dddddd;
  flex-grow: 1;
  word-break: break-word;
  user-select: text;
}

.node-badge {
  display: inline-block;
  font-size: 9px;
  text-transform: uppercase;
  font-weight: bold;
  padding: 1px 4px;
  border-radius: 3px;
  margin-bottom: 4px;
  background: rgba(0,0,0,0.3);
}

/* Порты соединений */
.port {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: #888888;
  border: 2px solid #2b2b2b;
  cursor: crosshair;
  z-index: 30;
  transition: transform 0.15s, background-color 0.15s;
}

.port:hover, .port.active {
  transform: scale(1.3);
  background-color: #ffcc00;
}

.port-input {
  left: -7px;
  top: 50%;
  transform: translateY(-50%);
}

.port-output {
  right: -7px;
  top: 50%;
  transform: translateY(-50%);
}

/* Индикатор редактирования узла другим пользователем */
.node-editing-halo {
  position: absolute;
  inset: -4px;
  border-radius: calc(var(--radius-md) + 4px);
  border: 2px dashed #f1c40f;
  pointer-events: none;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: -18px;
}

.node-editing-tag {
  background-color: #f1c40f;
  color: #000;
  font-size: 10px;
  font-weight: bold;
  padding: 1px 6px;
  border-radius: 8px;
  transform: translateY(18px);
}

/* Живые курсоры других пользователей */
.remote-cursor {
  position: absolute;
  pointer-events: none;
  z-index: 999;
  transition: transform 0.08s linear;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.cursor-pointer {
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 12px solid #4a90e2;
  transform: rotate(-35deg);
}

.cursor-tag {
  background-color: #4a90e2;
  color: white;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  font-weight: 600;
  margin-top: 2px;
  margin-left: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

/* Нижняя панель для мобильных телефонов */
.mobile-bottom-bar {
  display: none;
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  background: rgba(30, 30, 30, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid #444444;
  border-radius: 30px;
  height: 52px;
  padding: 0 8px;
  align-items: center;
  justify-content: space-around;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

.mobile-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 10px;
  gap: 2px;
  padding: 6px 12px;
  cursor: pointer;
  border-radius: 20px;
}

.mobile-btn:active {
  background: rgba(255,255,255,0.15);
}

.mobile-btn-icon {
  font-size: 16px;
}

/* Боковая панель чата и коворка */
.drawer {
  position: absolute;
  top: 50px;
  right: -360px;
  width: 340px;
  bottom: 0;
  background-color: var(--bg-primary);
  border-left: 1px solid var(--border);
  box-shadow: -4px 0 16px rgba(0,0,0,0.4);
  z-index: 150;
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.drawer.open {
  right: 0;
}

.drawer-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-title {
  font-size: 14px;
  font-weight: 700;
}

.drawer-content {
  flex-grow: 1;
  overflow-y: auto;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.collaborators-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.collaborator-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #282828;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.chat-box {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 250px;
  background: #181818;
  border-radius: var(--radius-sm);
  padding: 10px;
  overflow-y: auto;
}

.chat-msg {
  font-size: 12px;
  line-height: 1.4;
  word-break: break-word;
}

.chat-msg-author {
  font-weight: bold;
  margin-right: 4px;
}

.chat-msg-time {
  font-size: 9px;
  color: var(--text-muted);
  margin-left: 4px;
}

.chat-input-row {
  display: flex;
  gap: 6px;
}

.chat-input {
  flex-grow: 1;
  background: #282828;
  border: 1px solid #444;
  color: white;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  outline: none;
}

.chat-input:focus {
  border-color: var(--accent);
}

/* Модальное окно редактирования узла */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-overlay.open {
  display: flex;
}

.modal-box {
  background: var(--bg-primary);
  border: 1px solid #444444;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 500px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  max-height: 90vh;
  overflow: hidden;
}

.modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 18px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  background: #282828;
  border: 1px solid #444444;
  color: white;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  outline: none;
  font-family: inherit;
}

.form-control:focus {
  border-color: var(--accent);
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

.modal-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background: #1c1c1c;
}

/* Мобильная адаптивность */
@media (max-width: 768px) {
  .topbar-actions .btn-text {
    display: none;
  }
  .mobile-bottom-bar {
    display: flex;
  }
  .topbar-center-buttons {
    display: none;
  }
  .drawer {
    width: 100%;
    right: -100%;
  }
}