:root {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-card: #141414;
  --bg-hover: #1a1a1a;
  --border: #222222;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --accent: #10b981;
  --accent-hover: #34d399;
  --accent-dim: rgba(16, 185, 129, 0.15);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  --radius: 12px;
  --radius-sm: 8px;
}

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

html, body {
  height: 100%;
  overflow: hidden;
  touch-action: manipulation;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
}

.material-symbols-rounded {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  user-select: none;
  pointer-events: none;
}

/* All clickable elements need cursor pointer for Safari */
button, .btn, .icon-btn, .nav-item, .user-btn, .task-card, .move-btn, .add-task-btn, .customer-card, .task-action-btn {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

/* Icon Button */
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  transition: all 0.15s;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.icon-btn:active,
.icon-btn:focus {
  background: var(--bg-hover);
  color: var(--text-primary);
  outline: none;
}

.icon-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

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

.icon-btn .material-symbols-rounded {
  font-size: 22px;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.75rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 100;
  min-height: 52px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

header h1 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Server Status */
.server-status {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.5rem;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 0.65rem;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
}

.status-dot.online {
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}

.status-dot.offline {
  background: var(--danger);
}

.status-text {
  font-weight: 500;
  color: var(--text-muted);
}

.current-user {
  padding: 0.3rem 0.5rem;
  background: var(--accent);
  border-radius: var(--radius-sm);
  font-size: 0.65rem;
  font-weight: 600;
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.nav-item {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  padding: 0.6rem 0.25rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 500;
  transition: all 0.15s;
  min-height: 44px;
  background: transparent;
  border: none;
}

.nav-item .material-symbols-rounded {
  font-size: 20px;
}

.nav-item.active {
  color: var(--accent);
  background: var(--accent-dim);
}

/* Main Container */
.main-container {
  display: flex;
  flex: 1;
  overflow: hidden;
  flex-direction: column;
}

.content-area {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Board */
.board {
  display: flex;
  gap: 0.6rem;
  padding: 0.6rem;
  flex: 1;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.board:not(.view-active) {
  display: none;
}

/* Columns */
.column {
  flex: 0 0 280px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  max-height: 100%;
  scroll-snap-align: center;
}

.column-header {
  padding: 0.7rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.column-title {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.8rem;
}

.column-title .material-symbols-rounded {
  font-size: 18px;
  color: var(--text-muted);
}

.column-count {
  background: var(--bg-card);
  color: var(--text-muted);
  min-width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 99px;
  font-size: 0.65rem;
  font-weight: 600;
}

.column-tasks {
  flex: 1;
  padding: 0.4rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  -webkit-overflow-scrolling: touch;
}

/* Add Task Button */
.add-task-btn {
  margin: 0.4rem;
  padding: 0.6rem;
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.75rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  min-height: 44px;
}

.add-task-btn .material-symbols-rounded {
  font-size: 18px;
}

.add-task-btn:active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* Task Cards */
.task-card {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 0.7rem;
  border: 1px solid var(--border);
  transition: all 0.15s;
  position: relative;
}

.task-card.selected {
  border-color: var(--accent);
}

.task-header {
  margin-bottom: 0.3rem;
}

.task-title {
  font-weight: 500;
  font-size: 0.8rem;
  line-height: 1.3;
}

.task-actions {
  display: none;
  gap: 0.4rem;
  padding-top: 0.5rem;
  margin-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.task-card.selected .task-actions {
  display: flex;
}

.task-action-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  min-height: 40px;
}

.task-action-btn .material-symbols-rounded {
  font-size: 16px;
}

.task-action-btn:active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.task-action-btn.delete:active {
  background: var(--danger);
  border-color: var(--danger);
}

.task-description {
  color: var(--text-secondary);
  font-size: 0.7rem;
  margin-bottom: 0.35rem;
  line-height: 1.3;
}

.task-meta {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.task-tag {
  font-size: 0.6rem;
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.task-tag .material-symbols-rounded {
  font-size: 12px;
}

.tag-project { background: var(--accent-dim); color: var(--accent); }
.tag-priority-low { background: rgba(34, 197, 94, 0.12); color: #22c55e; }
.tag-priority-medium { background: rgba(245, 158, 11, 0.12); color: var(--warning); }
.tag-priority-high { background: rgba(239, 68, 68, 0.12); color: var(--danger); }
.tag-due { background: var(--bg-hover); color: var(--text-muted); }
.tag-due.overdue { background: rgba(239, 68, 68, 0.12); color: var(--danger); }
.tag-assignee { background: rgba(168, 85, 247, 0.12); color: #a855f7; }
.tag-customer { background: rgba(34, 211, 238, 0.12); color: #22d3ee; }

/* Move Task Bar */
.move-task-bar {
  display: none;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 0.4rem 0.5rem;
  gap: 0.35rem;
  flex-shrink: 0;
}

.move-task-bar.active {
  display: flex;
}

.move-task-bar .move-btn {
  flex: 1;
  padding: 0.5rem 0.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.6rem;
  font-weight: 500;
  text-align: center;
  min-height: 36px;
}

.move-task-bar .move-btn:active,
.move-task-bar .move-btn.current {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* Global Chat Input Bar */
.global-chat-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 0.5rem;
  display: flex;
  gap: 0.35rem;
  flex-shrink: 0;
}

.global-chat-bar input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.7rem;
  color: var(--text-primary);
  font-size: 16px;
  min-width: 0;
  -webkit-appearance: none;
  appearance: none;
}

.global-chat-bar input:focus {
  outline: none;
  border-color: var(--accent);
}

.global-chat-bar input::placeholder {
  color: var(--text-muted);
}

.global-chat-bar .icon-btn {
  min-width: 44px;
  min-height: 44px;
}

.global-chat-bar .icon-btn.recording {
  background: var(--danger);
  border-color: var(--danger);
  color: white;
  animation: pulse-record 1s infinite;
}

@keyframes pulse-record {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Chat Panel */
.chat-panel {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 500;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.25s ease;
  visibility: hidden;
}

.chat-panel.open {
  transform: translateY(0);
  visibility: visible;
}

.chat-header {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  min-height: 52px;
  background: var(--bg-secondary);
}

.chat-header h3 {
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent);
}

.chat-header h3 .material-symbols-rounded {
  font-size: 20px;
}

.chat-header .icon-btn {
  z-index: 10;
}

.chat-messages {
  flex: 1;
  padding: 0.6rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  -webkit-overflow-scrolling: touch;
}

.chat-message {
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  max-width: 88%;
  font-size: 0.8rem;
  line-height: 1.4;
}

.chat-message.user {
  background: var(--accent);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-message.bot {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-message ul {
  margin: 0.3rem 0 0 0.75rem;
  font-size: 0.75rem;
}

.chat-input-container {
  padding: 0.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 0.35rem;
  flex-shrink: 0;
  background: var(--bg-secondary);
  padding-bottom: calc(0.5rem + env(safe-area-inset-bottom, 0px));
}

#chatInput {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.7rem;
  color: var(--text-primary);
  font-size: 16px;
  min-width: 0;
  -webkit-appearance: none;
  appearance: none;
}

#chatInput:focus {
  outline: none;
  border-color: var(--accent);
}

/* Customers View */
.customers-view {
  flex: 1;
  padding: 0.6rem;
  overflow-y: auto;
  display: none;
  -webkit-overflow-scrolling: touch;
}

.customers-view.view-active {
  display: block;
}

.customers-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.customers-header h2 {
  font-size: 0.95rem;
}

.customers-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.customers-empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-muted);
}

.customers-empty .material-symbols-rounded {
  font-size: 40px;
  margin-bottom: 0.5rem;
  opacity: 0.4;
}

.customer-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
}

.customer-name {
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
}

.customer-info {
  color: var(--text-secondary);
  font-size: 0.7rem;
  margin-bottom: 0.15rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.customer-info .material-symbols-rounded {
  font-size: 14px;
  color: var(--text-muted);
}

.customer-actions {
  display: flex;
  gap: 0.35rem;
  margin-top: 0.6rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
}

/* User Selection Modal */
.user-modal {
  max-width: 300px;
  border-radius: var(--radius);
  margin: 1rem;
}

.user-selection {
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.user-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.user-btn:active {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.8rem;
  color: white;
  flex-shrink: 0;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  justify-content: center;
  align-items: flex-end;
  z-index: 1000;
}

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

/* Modal */
.modal {
  background: var(--bg-secondary);
  border-radius: var(--radius) var(--radius) 0 0;
  border: 1px solid var(--border);
  border-bottom: none;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  z-index: 10;
  min-height: 52px;
}

.modal-header h2 {
  font-size: 0.9rem;
  font-weight: 600;
}

/* Make close button extra tappable */
.modal-header .icon-btn {
  min-width: 48px;
  min-height: 48px;
  margin: -4px;
  z-index: 20;
}

#taskForm, #customerForm {
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding-bottom: calc(0.85rem + env(safe-area-inset-bottom, 0px));
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-group label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.7rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 16px;
  min-height: 48px;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 60px;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.7rem center;
  padding-right: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.form-actions {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.3rem;
  padding-top: 0.5rem;
}

.form-actions .btn {
  flex: 1;
}

/* Buttons */
.btn {
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.8rem;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  min-height: 48px;
  -webkit-appearance: none;
  appearance: none;
}

.btn .material-symbols-rounded {
  font-size: 18px;
}

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

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

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-secondary:active {
  background: var(--bg-hover);
}

.btn-sm {
  padding: 0.4rem 0.6rem;
  font-size: 0.7rem;
  min-height: 40px;
}

/* Desktop */
@media (min-width: 769px) {
  .modal-overlay {
    align-items: center;
    padding: 1rem;
  }
  
  .modal {
    max-width: 440px;
    border-radius: var(--radius);
    border-bottom: 1px solid var(--border);
  }
  
  .user-modal {
    margin: 0;
  }
  
  .global-chat-bar {
    max-width: 600px;
    margin: 0 auto;
    border-radius: var(--radius) var(--radius) 0 0;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
  }
  
  .chat-panel {
    right: 0;
    left: auto;
    width: 360px;
    transform: translateX(100%);
    border-left: 1px solid var(--border);
  }
  
  .chat-panel.open {
    transform: translateX(0);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .mobile-nav {
    display: flex;
  }
  
  .column {
    flex: 0 0 85vw;
    min-width: 260px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .global-chat-bar {
    padding-bottom: calc(0.5rem + env(safe-area-inset-bottom, 0px));
  }
}

@media (max-width: 380px) {
  header h1 {
    font-size: 0.85rem;
  }
  
  .column {
    flex: 0 0 90vw;
  }
}