/* ============================
   Δ DELTA 360 — MODERN LAYOUT
   ============================ */

/* --- LOGIN --- */
#login {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 50%, var(--brand-light) 100%);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

body.dark #login {
  background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #475569 100%);
}

.login-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  animation: scaleIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), #fb923c, var(--brand));
  background-size: 200% 100%;
  animation: shimmer 3s ease-in-out infinite;
}

.login-card .lb {
  font-size: 72px;
  font-weight: 200;
  color: var(--brand);
  letter-spacing: -3px;
  text-shadow: 0 2px 12px var(--brand-glow);
  animation: pulse 3s ease-in-out infinite;
  position: relative;
  display: inline-block;
  z-index: 1;
}

.login-card .lb::before {
  content: '';
  position: absolute;
  inset: -30px;
  background: radial-gradient(circle, var(--brand-glow) 0%, rgba(249, 115, 22, 0.15) 35%, transparent 70%);
  border-radius: 50%;
  z-index: -1;
  animation: pulse 3s ease-in-out infinite;
}

.login-card .sub {
  font-size: 12px;
  color: var(--text-tertiary);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 700;
  margin-top: -12px;
}

.input-group {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

#tok {
  padding: 14px 18px;
  font-size: 15px;
  border-radius: var(--radius);
  transition: all var(--transition-base);
}

#tok:focus {
  transform: translateY(-2px);
}

.lbtn {
  background: linear-gradient(135deg, var(--brand) 0%, #fb923c 100%);
  color: white;
  border: none;
  padding: 14px 36px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-brand);
  width: 100%;
  position: relative;
  overflow: hidden;
}

.lbtn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--brand-hover) 0%, var(--brand) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.lbtn:hover::before {
  opacity: 1;
}

.lbtn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), var(--shadow-brand);
}

.lbtn:active {
  transform: translateY(-1px);
}

.lbtn span {
  position: relative;
  z-index: 1;
}

#lerr {
  color: var(--danger);
  font-size: 13px;
  text-align: center;
  display: none;
  padding: 10px 16px;
  background: var(--danger-bg);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--danger);
  width: 100%;
  animation: slideDown var(--transition-base);
}

.meta-link {
  font-size: 13px;
  margin-top: 8px;
}

.meta-link a {
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* --- HEADER --- */
header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  height: 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  z-index: 3000;
  gap: 20px;
  backdrop-filter: var(--blur-sm);
  box-shadow: var(--shadow-xs);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
  flex: 1;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--brand) 0%, #fb923c 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 16px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.brand-icon:hover {
  transform: scale(1.05);
}

.brand-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--brand);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

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

.header-divider {
  width: 1px;
  height: 28px;
  background: var(--border);
  opacity: 0.6;
}

/* --- MAIN --- */
#app-root {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

#main {
  display: flex;
  flex: 1;
  overflow: hidden;
  gap: 0;
  position: relative;
}

/* --- SIDEBAR --- */
#sidebar {
  width: 280px;
  min-width: 280px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 1000;
  transition: transform var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
}

#sidebar.collapsed {
  transform: translateX(-100%);
}

.sidebar-section {
  display: flex;
  flex-direction: column;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
}

.sidebar-section:last-child {
  border-bottom: none;
  flex: 1;
  overflow-y: auto;
}

.section-label {
  font-size: 11px;
  font-weight: 800;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 8px 20px;
  margin-bottom: 6px;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px 6px 12px;
}

.section-header .section-label {
  padding: 0;
  margin: 0;
  flex: 1;
}

.sort-toggle,
.collapse-toggle {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.sort-toggle:hover,
.collapse-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.collapse-toggle {
  transform-origin: center;
  transition: transform var(--transition-fast);
}

.collapse-toggle.open {
  transform: rotate(90deg);
}

.sidebar-item {
  padding: 10px 16px;
  margin: 2px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
  position: relative;
}

.sidebar-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--brand);
  border-radius: 0 2px 2px 0;
  transform: scaleY(0);
  transform-origin: center;
  transition: transform var(--transition-fast);
}

.sidebar-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  transform: translateX(2px);
}

.sidebar-item.active {
  background: var(--brand-tint);
  color: var(--brand);
  font-weight: 600;
}

.sidebar-item.active::before {
  transform: scaleY(1);
}

/* Command section items */
.sidebar-item[data-type="universal-feed"],
.sidebar-item[data-type="direct-comms"] {
  font-weight: 600;
  color: var(--text-primary);
  padding: 12px 16px;
  margin: 4px 12px;
}

/* Stream items */
.stream-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  margin: 2px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  user-select: none;
  position: relative;
}

.stream-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.stream-item.active {
  background: var(--brand-tint);
  color: var(--brand);
}

.stream-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 12px;
}

.stream-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.stream-item:hover .stream-controls {
  opacity: 1;
}

.stream-sound-btn,
.stream-toggle,
.stream-delete-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  font-size: 12px;
  transition: all var(--transition-fast);
}

.stream-sound-btn:hover {
  color: var(--brand);
}

.stream-toggle {
  width: 24px;
  height: 16px;
  background: var(--border);
  border-radius: 8px;
  position: relative;
}

.stream-toggle.active {
  background: var(--brand);
}

.stream-toggle::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  background: white;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: left var(--transition-fast);
}

.stream-toggle.active::after {
  left: 10px;
}

.stream-delete-btn:hover {
  color: var(--danger);
}

/* Add Stream button */
.add-stream-btn {
  font-weight: 600;
  color: var(--brand);
  justify-content: center;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 12px;
}

/* Pending DM items */
.pending-dm-item {
  padding: 12px;
  margin: 4px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pending-dm-sender {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
}

.pending-dm-preview {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: normal;
  max-height: 32px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.pending-dm-actions {
  display: flex;
  gap: 8px;
}

.pending-dm-btn {
  flex: 1;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.pending-dm-approve {
  color: var(--success);
  border-color: var(--success);
}

.pending-dm-approve:hover {
  background: var(--success-bg);
}

.pending-dm-block {
  color: var(--danger);
  border-color: var(--danger);
}

.pending-dm-block:hover {
  background: var(--danger-bg);
}

/* Pinned chat items */
.pinned-item {
  padding: 10px 16px;
  margin: 2px 12px;
  border-left: 4px solid #fbbf24;
  border-radius: var(--radius-sm);
  background: rgba(251, 191, 36, 0.08);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 600;
}

.pinned-item:hover {
  background: rgba(251, 191, 36, 0.15);
  color: var(--text-primary);
}

.pinned-item.active {
  background: rgba(251, 191, 36, 0.2);
  color: #f59e0b;
}

/* Active/Inactive chat items */
.chat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  margin: 2px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  user-select: none;
  position: relative;
  border-left: 3px solid transparent;
}

.chat-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.chat-item.active {
  border-left-color: var(--brand);
  background: var(--brand-tint);
  color: var(--text-primary);
  font-weight: 600;
}

.chat-item.dm.active {
  border-left-color: #06b6d4;
  background: rgba(6, 182, 212, 0.08);
  color: var(--text-primary);
}

.chat-item.inactive {
  opacity: 0.4;
}

.chat-unread-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: transparent;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.chat-item.unread .chat-unread-dot {
  background: var(--brand);
  box-shadow: 0 0 6px var(--brand);
}

.chat-item.unread.dm .chat-unread-dot {
  background: #06b6d4;
  box-shadow: 0 0 6px rgba(6, 182, 212, 0.6);
}

.chat-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-heatbar {
  width: 3px;
  height: 24px;
  border-radius: 2px;
  background: var(--border);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.chat-item.unread .chat-heatbar {
  background: linear-gradient(180deg, var(--brand) 0%, rgba(249, 115, 22, 0.4) 100%);
  width: 4px;
}

.chat-item.unread.dm .chat-heatbar {
  background: linear-gradient(180deg, #06b6d4 0%, rgba(6, 182, 212, 0.4) 100%);
}

.chat-time-ago {
  font-size: 11px;
  color: var(--text-tertiary);
  white-space: nowrap;
  flex-shrink: 0;
}

.chat-item.inactive .chat-time-ago {
  opacity: 0.6;
}

.chat-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
}

.chat-item:hover .chat-actions {
  opacity: 1;
}

.chat-pin-btn,
.chat-mute-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  font-size: 12px;
  transition: all var(--transition-fast);
}

.chat-pin-btn:hover {
  color: #fbbf24;
}

.chat-pin-btn.pinned {
  color: #fbbf24;
}

.chat-mute-btn:hover {
  color: var(--text-primary);
}

.chat-mute-btn.muted {
  color: var(--text-secondary);
}

/* --- FEED --- */
#feed {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-primary);
  position: relative;
}

#panels-wrap {
  display: flex;
  flex: 1;
  overflow: hidden;
  gap: 0;
}

.panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  background: var(--bg-primary);
  border-left: 1px solid var(--border);
  position: relative;
  animation: fadeIn var(--transition-base);
}

.panel:first-child {
  border-left: none;
}

.panel-header {
  padding: 14px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  cursor: pointer;
  user-select: none;
  min-height: 56px;
  transition: background var(--transition-fast);
}

.panel-header:hover {
  background: var(--bg-tertiary);
}

.panel-title {
  font-weight: 700;
  font-size: 15px;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  letter-spacing: -0.01em;
}

.panel-close {
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.panel-close:hover {
  background: var(--danger-bg);
  color: var(--danger);
  transform: rotate(90deg);
}

.messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 20px;
  gap: 4px;
  scroll-behavior: smooth;
}

.message-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  color: var(--text-tertiary);
  text-align: center;
  animation: fadeIn 0.6s ease-out;
}

.message-empty-icon {
  font-size: 56px;
  margin-bottom: 16px;
  opacity: 0.2;
  font-weight: 200;
}

.message-empty-text {
  font-size: 14px;
  font-weight: 500;
}

.input-area {
  padding: 16px 20px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
  flex-shrink: 0;
  align-items: flex-end;
}

.input-area textarea {
  flex: 1;
  resize: none;
  max-height: 120px;
  min-height: 44px;
  padding: 12px 16px;
  border-radius: var(--radius);
  line-height: 1.5;
}

/* --- DISPATCH BOARD --- */
#dboard {
  padding: 14px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 10px;
  align-items: center;
  overflow-x: auto;
  flex-shrink: 0;
  font-size: 11px;
  color: var(--text-tertiary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  box-shadow: var(--shadow-xs);
}

#dboard::-webkit-scrollbar {
  height: 6px;
}

.db-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
  font-weight: 600;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-xs);
}

.db-chip:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.db-chip .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-disabled);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.db-chip.avl .dot {
  background: var(--success);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.db-chip.bsy .dot {
  background: var(--danger);
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
}

.db-chip.awy .dot {
  background: var(--warning);
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
}

/* --- MODALS --- */
.modal-overlay {
  position: absolute;
  inset: 0;
  background: var(--bg-primary);
  display: none;
  flex-direction: column;
  z-index: 2000;
  animation: fadeIn var(--transition-base);
}

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

.modal-header {
  padding: 20px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.modal-header h3 {
  font-size: 18px;
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.close-btn {
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.close-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  transform: rotate(90deg);
}

.modal-input {
  margin: 16px 24px;
  padding: 14px 18px;
  min-height: 48px;
  font-size: 15px;
}

.search-results {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.settings-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.setting-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.setting-group label {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.setting-group select {
  padding: 12px 16px;
  font-size: 14px;
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  #sidebar {
    width: 260px;
    min-width: 260px;
  }
}

@media (max-width: 768px) {
  #sidebar {
    position: absolute;
    left: 0;
    top: 64px;
    height: calc(100% - 64px);
    width: 280px;
    transform: translateX(-100%);
    z-index: 2000;
    box-shadow: var(--shadow-xl);
  }

  #sidebar.open {
    transform: translateX(0);
  }

  #menu-btn {
    display: flex !important;
  }

  header {
    padding: 12px 20px;
    height: 60px;
  }

  .brand-icon {
    width: 32px;
    height: 32px;
  }

  .login-card {
    padding: 40px 32px;
    max-width: 100%;
  }

  .login-card .lb {
    font-size: 60px;
  }

  #dboard {
    padding: 12px 20px;
  }
}

@media (max-width: 600px) {
  .brand-title,
  .brand-subtitle {
    display: none;
  }

  header {
    gap: 12px;
    padding: 10px 16px;
  }

  .header-divider {
    display: none;
  }

  .header-right {
    gap: 6px;
  }

  .login-card {
    padding: 32px 24px;
  }

  .messages {
    padding: 16px;
  }

  .input-area {
    padding: 12px 16px;
  }

  .panel-header {
    padding: 12px 16px;
  }

  #dboard {
    padding: 10px 16px;
    font-size: 10px;
  }

  .db-chip {
    padding: 5px 10px;
    font-size: 11px;
  }
}

@media (max-width: 400px) {
  .login-card .lb {
    font-size: 48px;
  }

  .status-btn {
    min-width: 80px;
    padding: 6px 10px;
    font-size: 12px;
  }
}