@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=SF+Pro+Display:wght@300;400;500;600;700&display=swap');

:root {
  --bg-gradient: linear-gradient(135deg, #0a0c10 0%, #030406 100%);
  --panel-bg: rgba(22, 28, 38, 0.55);
  --panel-bg-hover: rgba(30, 39, 53, 0.65);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-focus: rgba(99, 102, 241, 0.4);
  
  --primary: #6366f1; /* Indigo glow */
  --primary-hover: #4f46e5;
  --secondary: #06b6d4; /* Cyan accent */
  --secondary-hover: #0891b2;
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --glow-shadow: 0 0 20px rgba(99, 102, 241, 0.25);
  --border-radius: 16px;
}

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

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: #05070a;
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.12), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(6, 182, 212, 0.12), transparent 25%),
    linear-gradient(135deg, #0a0c10 0%, #030406 100%);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  line-height: 1.5;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Glassmorphism Card Container */
.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: var(--transition);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

/* Typography & Layout Elements */
header {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-container h1 {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(to right, #6366f1, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.logo-badge {
  font-size: 0.65rem;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  font-weight: 600;
  text-transform: uppercase;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  color: white;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}
.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.45);
}

.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}
.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
}

/* SENDER PAGE SPECIFIC */
.sender-container {
  max-width: 760px;
  width: 90%;
  margin: 3rem auto;
  padding: 2.5rem;
}

.step-card {
  margin-bottom: 2rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
}

.step-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--secondary);
}

.step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--secondary);
}

.step-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-left: 2rem;
}

.step-desc a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px dashed var(--primary);
  transition: var(--transition);
}

.step-desc a:hover {
  color: #a5b4fc;
  border-bottom-style: solid;
}

.form-group {
  margin-top: 2rem;
}

.input-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.session-textarea {
  width: 100%;
  height: 250px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1rem;
  color: #38bdf8; /* Light blue code color */
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  resize: vertical;
  outline: none;
  transition: var(--transition);
}

.session-textarea:focus {
  border-color: var(--glass-border-focus);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.15);
  background: rgba(0, 0, 0, 0.35);
}

.action-row {
  margin-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.user-identity-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  border: 1px solid var(--glass-border);
  font-size: 0.85rem;
}

.user-identity-display span {
  font-weight: 600;
  color: var(--secondary);
}

.user-change-btn {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  margin-left: 0.5rem;
  text-decoration: underline;
}

.user-change-btn:hover {
  color: #a5b4fc;
}

/* DIALOG / MODAL (IDENTITY PROMPT) */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(3, 4, 6, 0.85);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  width: 90%;
  max-width: 480px;
  padding: 2.5rem;
  border-radius: 20px;
  text-align: center;
  transform: translateY(30px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.1);
  border: 2px dashed var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--primary);
  animation: rotateGlow 8s infinite linear;
}

@keyframes rotateGlow {
  100% { transform: rotate(360deg); }
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.modal-description {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.modal-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  color: white;
  font-size: 1.1rem;
  text-align: center;
  outline: none;
  margin-bottom: 1.5rem;
  letter-spacing: 2px;
  transition: var(--transition);
}

.modal-input:focus {
  border-color: var(--glass-border-focus);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.25);
  background: rgba(0, 0, 0, 0.35);
}

/* RECEIVER PAGE SPECIFIC */
.dashboard-layout {
  display: flex;
  flex: 1;
  gap: 1.5rem;
  overflow: hidden;
}

.dashboard-sidebar {
  width: 380px;
  display: flex;
  flex-direction: column;
  height: 100%;
  flex-shrink: 0;
}

.dashboard-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Stats Mini Header */
.stats-strip {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.stat-card {
  flex: 1;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stat-num {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--secondary);
}

.stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-top: 0.15rem;
}

/* Search and Controls inside Sidebar */
.sidebar-controls {
  padding: 1rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.search-wrapper {
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 0.6rem 1rem 0.6rem 2.2rem;
  color: white;
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--glass-border-focus);
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

.selection-actions-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  padding: 0.25rem 0;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

.action-buttons-group {
  display: flex;
  gap: 0.5rem;
  opacity: 0.4;
  pointer-events: none;
  transition: var(--transition);
}

.action-buttons-group.active {
  opacity: 1;
  pointer-events: auto;
}

.action-icon-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.action-icon-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-main);
}

.action-icon-btn.delete-btn:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--danger);
}

.action-icon-btn.read-btn:hover {
  background: rgba(6, 182, 212, 0.15);
  border-color: rgba(6, 182, 212, 0.3);
  color: var(--secondary);
}

/* Custom Checkbox CSS */
input[type="checkbox"] {
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* Session List Container */
.session-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.session-item {
  display: flex;
  align-items: center;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.03);
  background: rgba(255, 255, 255, 0.01);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.session-item:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.08);
  transform: translateX(2px);
}

.session-item.selected-active {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.25);
}

.session-item.selected-active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary);
}

.session-item-checkbox {
  margin-right: 0.75rem;
  flex-shrink: 0;
  z-index: 2;
}

.session-item-info {
  flex: 1;
  min-width: 0;
}

.session-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.2rem;
}

.session-item-qq {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
  transition: var(--transition);
}

.session-item.is-read .session-item-qq {
  text-decoration: line-through;
  color: var(--text-dim);
  opacity: 0.65;
}

.session-item-time {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.session-item-preview {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-item.is-read .session-item-preview {
  opacity: 0.5;
}

.session-item-badge {
  font-size: 0.65rem;
  padding: 0.05rem 0.35rem;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
  margin-left: 0.5rem;
  flex-shrink: 0;
}

.session-item.is-read .session-item-badge {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  border-color: rgba(255, 255, 255, 0.1);
}

/* Detail Display Area */
.detail-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  gap: 1rem;
}

.detail-placeholder-icon {
  font-size: 3rem;
  opacity: 0.3;
}

.detail-content-view {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.detail-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.detail-title-info h2 {
  font-size: 1.2rem;
  font-weight: 600;
}

.detail-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.detail-actions {
  display: flex;
  gap: 0.5rem;
}

.detail-body {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  position: relative;
}

.json-pre-wrapper {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1.25rem;
  overflow-x: auto;
  position: relative;
  height: 100%;
}

.json-content {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  color: #38bdf8;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  padding: 0.85rem 1.5rem;
  border-radius: 10px;
  background: rgba(22, 28, 38, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-left: 4px solid var(--primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(20px);
  opacity: 0;
  animation: toastIn 0.3s forwards cubic-bezier(0.18, 0.89, 0.32, 1.28);
  transition: var(--transition);
}

@keyframes toastIn {
  to { transform: translateY(0); opacity: 1; }
}

.toast.toast-success { border-left-color: var(--success); }
.toast.toast-danger { border-left-color: var(--danger); }
.toast.toast-warning { border-left-color: var(--warning); }

/* Responsive adjustments */
@media (max-width: 768px) {
  .dashboard-layout {
    flex-direction: column;
    overflow-y: auto;
    height: auto;
  }
  
  .dashboard-sidebar {
    width: 100%;
    height: 400px;
  }
  
  .dashboard-main {
    height: 500px;
  }
}

/* RECEIVER CONSOLE REDESIGN */
.receiver-page {
  --receiver-bg: #f4f7fb;
  --receiver-surface: #ffffff;
  --receiver-surface-soft: #f8fafc;
  --receiver-border: #dce4ef;
  --receiver-border-strong: #c8d3e2;
  --receiver-text: #172033;
  --receiver-muted: #64748b;
  --receiver-dim: #94a3b8;
  --receiver-primary: #0f766e;
  --receiver-primary-strong: #0d5f59;
  --receiver-primary-soft: #e4f7f4;
  --receiver-warning: #b45309;
  --receiver-warning-soft: #fff7ed;
  --receiver-danger: #dc2626;
  --receiver-danger-soft: #fef2f2;
  --receiver-shadow: 0 18px 42px rgba(23, 32, 51, 0.10);

  min-height: 100vh;
  color: var(--receiver-text);
  background:
    linear-gradient(180deg, #eef4fb 0%, #f8fafc 42%, #edf2f7 100%);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
}

.receiver-page * {
  letter-spacing: 0;
}

.receiver-page .receiver-topbar {
  height: 76px;
  padding: 0 28px;
  border-bottom: 1px solid var(--receiver-border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7);
}

.receiver-page .receiver-brand {
  gap: 12px;
}

.receiver-page .brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid #b8deda;
  border-radius: 8px;
  color: var(--receiver-primary);
  background: linear-gradient(180deg, #f6fffd, #dff5f1);
}

.receiver-page .logo-container h1 {
  margin: 0;
  font-size: 20px;
  line-height: 1.1;
  color: var(--receiver-text);
  background: none;
  -webkit-text-fill-color: currentColor;
}

.receiver-page .brand-subtitle {
  margin-top: 4px;
  color: var(--receiver-muted);
  font-size: 12px;
  font-weight: 600;
}

.receiver-page .logo-badge {
  border-color: #b8deda;
  border-radius: 999px;
  color: var(--receiver-primary);
  background: var(--receiver-primary-soft);
  text-transform: none;
}

.receiver-page .admin-state {
  gap: 9px;
  border-color: #b8deda;
  background: var(--receiver-primary-soft);
  color: var(--receiver-primary);
}

.receiver-page .admin-state span {
  color: var(--receiver-primary);
}

.receiver-page .admin-state-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #14b8a6;
  box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.12);
}

.receiver-page .user-change-btn {
  color: var(--receiver-danger);
  text-decoration: none;
}

.receiver-page .receiver-shell {
  min-height: 0;
  padding: 22px;
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
  gap: 18px;
}

.receiver-page .console-panel {
  min-height: 0;
  border: 1px solid var(--receiver-border);
  border-radius: 8px;
  background: var(--receiver-surface);
  box-shadow: var(--receiver-shadow);
}

.receiver-page .dashboard-sidebar {
  width: auto;
  height: auto;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.receiver-page .dashboard-main {
  height: auto;
  min-width: 0;
  overflow: hidden;
}

.receiver-page .sidebar-heading {
  padding: 18px 18px 14px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.receiver-page .section-kicker {
  margin: 0 0 6px;
  color: var(--receiver-primary);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.receiver-page .sidebar-heading h2,
.receiver-page .session-data-card h3 {
  margin: 0;
  color: var(--receiver-text);
  font-size: 16px;
  line-height: 1.2;
}

.receiver-page .live-pill,
.receiver-page .data-format-pill {
  flex: 0 0 auto;
  padding: 4px 9px;
  border: 1px solid #b8deda;
  border-radius: 999px;
  color: var(--receiver-primary);
  background: var(--receiver-primary-soft);
  font-size: 12px;
  font-weight: 800;
}

.receiver-page .stats-strip {
  margin: 0;
  padding: 0 18px 16px;
  gap: 8px;
}

.receiver-page .stat-card {
  min-width: 0;
  padding: 11px 10px;
  border: 1px solid var(--receiver-border);
  border-radius: 8px;
  background: var(--receiver-surface-soft);
}

.receiver-page .stat-num {
  color: var(--receiver-text);
  font-size: 20px;
}

.receiver-page .stat-label {
  color: var(--receiver-muted);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: none;
}

.receiver-page .sidebar-controls {
  padding: 14px 18px;
  border-top: 1px solid var(--receiver-border);
  border-bottom: 1px solid var(--receiver-border);
  background: #fbfdff;
}

.receiver-page .search-input {
  height: 42px;
  border-color: var(--receiver-border);
  border-radius: 8px;
  color: var(--receiver-text);
  background: #fff;
}

.receiver-page .search-input:focus {
  border-color: #7cc9c0;
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.receiver-page .search-input::placeholder {
  color: var(--receiver-dim);
}

.receiver-page .search-icon {
  color: var(--receiver-muted);
}

.receiver-page .selection-actions-bar {
  align-items: center;
  gap: 10px;
  padding: 0;
}

.receiver-page .checkbox-label {
  color: var(--receiver-muted);
  font-size: 13px;
}

.receiver-page .select-all {
  min-height: 32px;
}

.receiver-page .action-zone,
.receiver-page .detail-action-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.receiver-page .action-zone-label {
  color: var(--receiver-dim);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.receiver-page .action-buttons-group {
  gap: 6px;
}

.receiver-page .action-icon-btn {
  width: 34px;
  height: 34px;
  border-color: var(--receiver-border);
  border-radius: 8px;
  color: var(--receiver-muted);
  background: #fff;
}

.receiver-page .action-icon-btn:hover {
  color: var(--receiver-primary);
  border-color: #9ed6d0;
  background: var(--receiver-primary-soft);
  transform: translateY(-1px);
}

.receiver-page .action-icon-btn.delete-btn:hover {
  color: var(--receiver-danger);
  border-color: #fecaca;
  background: var(--receiver-danger-soft);
}

.receiver-page .session-list {
  min-height: 0;
  padding: 10px;
  gap: 8px;
  background: #f8fafc;
}

.receiver-page .session-item {
  min-height: 74px;
  gap: 10px;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--receiver-text);
  background: #fff;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.receiver-page .session-item:hover {
  border-color: var(--receiver-border-strong);
  background: #fff;
  transform: none;
}

.receiver-page .session-item.selected-active {
  border-color: #7cc9c0;
  background: #f0fbf9;
  box-shadow: inset 0 0 0 1px rgba(15, 118, 110, 0.14);
}

.receiver-page .session-item.selected-active::before {
  width: 4px;
  background: var(--receiver-primary);
}

.receiver-page .session-item-checkbox {
  margin: 0;
}

.receiver-page .session-avatar {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  color: var(--receiver-primary);
  background: var(--receiver-primary-soft);
  font-size: 13px;
  font-weight: 900;
}

.receiver-page .session-item-info {
  display: grid;
  gap: 5px;
}

.receiver-page .session-item-header {
  gap: 10px;
  margin: 0;
}

.receiver-page .session-item-qq {
  min-width: 0;
  overflow: hidden;
  color: var(--receiver-text);
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.receiver-page .session-item-time {
  color: var(--receiver-muted);
  font-size: 12px;
  white-space: nowrap;
}

.receiver-page .session-item-preview {
  color: var(--receiver-muted);
  font-size: 12px;
}

.receiver-page .session-item-badge {
  margin: 0;
  padding: 3px 7px;
  border-color: #fed7aa;
  border-radius: 999px;
  color: var(--receiver-warning);
  background: var(--receiver-warning-soft);
  font-size: 11px;
  font-weight: 800;
}

.receiver-page .session-item-badge.read {
  border-color: var(--receiver-border);
  color: var(--receiver-muted);
  background: #f1f5f9;
}

.receiver-page .session-item.is-read .session-item-qq {
  color: var(--receiver-muted);
  opacity: 1;
}

.receiver-page .session-item.is-read .session-avatar,
.receiver-page .session-item.is-read .session-item-preview {
  opacity: 0.62;
}

.receiver-page .detail-panel {
  display: flex;
  flex-direction: column;
}

.receiver-page .detail-placeholder {
  min-height: 100%;
  padding: 42px;
  color: var(--receiver-muted);
  text-align: center;
}

.receiver-page .detail-placeholder-icon {
  display: grid;
  place-items: center;
  width: 86px;
  height: 86px;
  margin-bottom: 4px;
  border: 1px solid var(--receiver-border);
  border-radius: 8px;
  color: var(--receiver-primary);
  background: var(--receiver-primary-soft);
  opacity: 1;
}

.receiver-page .detail-placeholder h2 {
  margin: 0;
  color: var(--receiver-text);
  font-size: 20px;
}

.receiver-page .detail-placeholder p {
  max-width: 420px;
  margin: 0;
  color: var(--receiver-muted);
}

.receiver-page .detail-content-view {
  min-height: 0;
}

.receiver-page .detail-header {
  gap: 18px;
  padding: 18px 20px;
  border-bottom-color: var(--receiver-border);
  background: #fff;
}

.receiver-page .detail-title-info {
  min-width: 0;
}

.receiver-page .detail-title-info h2 {
  margin: 0;
  color: var(--receiver-text);
  font-size: 22px;
}

.receiver-page .detail-subtitle {
  color: var(--receiver-muted);
  font-size: 13px;
}

.receiver-page .detail-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.receiver-page .detail-action-group {
  padding: 6px;
  border: 1px solid var(--receiver-border);
  border-radius: 8px;
  background: var(--receiver-surface-soft);
}

.receiver-page .detail-action-group.danger-group {
  border-color: #fecaca;
  background: var(--receiver-danger-soft);
}

.receiver-page .btn {
  min-height: 36px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: none;
}

.receiver-page .btn:hover {
  transform: none;
}

.receiver-page .btn-primary {
  background: var(--receiver-primary);
}

.receiver-page .btn-primary:hover {
  background: var(--receiver-primary-strong);
  box-shadow: none;
}

.receiver-page .btn-secondary {
  border: 1px solid var(--receiver-border-strong);
  color: var(--receiver-text);
  background: #fff;
}

.receiver-page .btn-success {
  background: #15803d;
}

.receiver-page .btn-danger {
  background: var(--receiver-danger);
}

.receiver-page .detail-body {
  min-height: 0;
  padding: 18px;
  background: #f8fafc;
}

.receiver-page .session-data-card {
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--receiver-border);
  border-radius: 8px;
  background: #fff;
}

.receiver-page .data-card-head {
  flex: 0 0 auto;
  padding: 16px 18px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--receiver-border);
}

.receiver-page .json-pre-wrapper {
  height: auto;
  min-height: 0;
  flex: 1;
  margin: 0;
  padding: 18px;
  overflow: auto;
  border: 0;
  border-radius: 0;
  background: #0f172a;
}

.receiver-page .json-content {
  color: #d9f99d;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.7;
  word-break: break-word;
}

.receiver-page .empty-state {
  display: grid;
  place-items: center;
  gap: 6px;
  padding: 34px 18px;
  color: var(--receiver-muted);
  text-align: center;
}

.receiver-page .empty-state strong {
  color: var(--receiver-text);
  font-size: 14px;
}

.receiver-page .empty-state p {
  margin: 0;
  color: var(--receiver-muted);
  font-size: 13px;
}

.receiver-page .empty-state-icon {
  display: grid;
  place-items: center;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  color: transparent;
  background: #14b8a6;
  box-shadow: 0 0 0 5px rgba(20, 184, 166, 0.12);
}

.receiver-page .modal-overlay {
  background: rgba(15, 23, 42, 0.54);
  backdrop-filter: blur(10px);
}

.receiver-page .auth-card {
  max-width: 430px;
  padding: 30px;
  border: 1px solid var(--receiver-border);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--receiver-shadow);
}

.receiver-page .modal-icon {
  width: 58px;
  height: 58px;
  border: 1px solid #b8deda;
  border-radius: 8px;
  color: var(--receiver-primary);
  background: var(--receiver-primary-soft);
  animation: none;
}

.receiver-page .modal-title {
  color: var(--receiver-text);
}

.receiver-page .modal-description {
  color: var(--receiver-muted);
}

.receiver-page .modal-input {
  border-color: var(--receiver-border);
  border-radius: 8px;
  color: var(--receiver-text);
  background: var(--receiver-surface-soft);
}

.receiver-page .modal-input:focus {
  border-color: #7cc9c0;
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
  background: #fff;
}

.receiver-page .toast {
  border: 1px solid var(--receiver-border);
  border-left-width: 4px;
  border-radius: 8px;
  color: var(--receiver-text);
  background: #fff;
  box-shadow: var(--receiver-shadow);
}

@media (max-width: 980px) {
  .receiver-page {
    overflow: auto;
  }

  .receiver-page .receiver-shell {
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .receiver-page .dashboard-sidebar {
    min-height: 430px;
  }

  .receiver-page .dashboard-main {
    min-height: 620px;
  }

  .receiver-page .detail-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .receiver-page .detail-actions {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .receiver-page .receiver-topbar {
    height: auto;
    padding: 16px;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .receiver-page .receiver-shell {
    padding: 12px;
  }

  .receiver-page .selection-actions-bar,
  .receiver-page .detail-action-group {
    align-items: stretch;
    flex-direction: column;
  }

  .receiver-page .action-zone {
    justify-content: space-between;
  }

  .receiver-page .detail-actions,
  .receiver-page .detail-action-group,
  .receiver-page .detail-action-group .btn {
    width: 100%;
  }

  .receiver-page .session-item {
    grid-template-columns: auto auto minmax(0, 1fr);
    align-items: center;
  }

  .receiver-page .session-item-badge {
    display: none;
  }
}