/* ==========================================================================
   LagosLife Messenger Bot - Dashboard Stylesheet
   Theme: Lagos Green (#1a472a), Nigerian Gold (#f5a623), Dark Navy (#0f1923)
   ========================================================================== */

:root {
  /* Core Color Palette */
  --color-primary: #1a472a;
  --color-primary-light: #245c38;
  --color-primary-dark: #12331e;
  --color-primary-glow: rgba(26, 71, 42, 0.45);

  --color-accent: #f5a623;
  --color-accent-hover: #e0961a;
  --color-accent-glow: rgba(245, 166, 35, 0.35);

  --color-bg: #0f1923;
  --color-bg-alt: #13202e;
  --color-surface: #1c2b3a;
  --color-surface-hover: #233547;
  --color-surface-border: #293e52;
  --color-surface-card: rgba(28, 43, 58, 0.85);

  --color-text: #e8f4e8;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;
  --color-text-inverted: #0f1923;

  /* State Colors */
  --color-success: #27ae60;
  --color-success-bg: rgba(39, 174, 96, 0.15);
  --color-success-border: rgba(39, 174, 96, 0.35);

  --color-error: #e74c3c;
  --color-error-bg: rgba(231, 76, 60, 0.15);
  --color-error-border: rgba(231, 76, 60, 0.35);

  --color-warning: #f39c12;
  --color-warning-bg: rgba(243, 156, 18, 0.15);
  --color-warning-border: rgba(243, 156, 18, 0.35);

  --color-info: #3498db;
  --color-info-bg: rgba(52, 152, 219, 0.15);
  --color-info-border: rgba(52, 152, 219, 0.35);

  /* Layout & Geometry */
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 72px;
  --header-height: 64px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Elevation & Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 15px var(--color-accent-glow);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-surface-border);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-light);
}

/* ==========================================================================
   Typography & Utilities
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  color: #ffffff;
  font-weight: 600;
  line-height: 1.3;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }

p {
  color: var(--color-text);
  font-size: 0.95rem;
}

small, .text-muted {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.text-dim { color: var(--color-text-dim); }
.text-accent { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-warning { color: var(--color-warning); }

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:disabled, .btn[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary-light);
}
.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-light);
  box-shadow: 0 0 10px var(--color-primary-glow);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #0f1923;
  font-weight: 600;
}
.btn-accent:hover:not(:disabled) {
  background-color: var(--color-accent-hover);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-surface-border);
}
.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-surface-hover);
  border-color: var(--color-text-dim);
}

.btn-danger {
  background-color: var(--color-error);
  color: #ffffff;
}
.btn-danger:hover:not(:disabled) {
  background-color: #c0392b;
}

.btn-success {
  background-color: var(--color-success);
  color: #ffffff;
}
.btn-success:hover:not(:disabled) {
  background-color: #219653;
}

.btn-warning {
  background-color: var(--color-warning);
  color: #0f1923;
}
.btn-warning:hover:not(:disabled) {
  background-color: #d68910;
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-surface-border);
}
.btn-outline:hover:not(:disabled) {
  background: var(--color-surface);
  border-color: var(--color-accent);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 0.8rem 1.6rem;
  font-size: 1rem;
}

.btn-icon {
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  aspect-ratio: 1;
}

/* Spinner for buttons in flight */
.btn-loading {
  position: relative;
  color: transparent !important;
}
.btn-loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  top: calc(50% - 8px);
  left: calc(50% - 8px);
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   Form Controls
   ========================================================================== */
.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.form-label .required {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.18);
}

.form-control:read-only, .form-control:disabled {
  background-color: rgba(15, 25, 35, 0.6);
  color: var(--color-text-muted);
  cursor: not-allowed;
}

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

.input-feedback {
  font-size: 0.8rem;
  color: var(--color-error);
  display: none;
  margin-top: 0.25rem;
}
.input-feedback.visible {
  display: block;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-group .form-control {
  padding-right: 2.75rem;
}

.input-group-action {
  position: absolute;
  right: 0.6rem;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.input-group-action:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   Badges & Indicators
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success {
  background-color: var(--color-success-bg);
  color: #4ade80;
  border: 1px solid var(--color-success-border);
}

.badge-error {
  background-color: var(--color-error-bg);
  color: #f87171;
  border: 1px solid var(--color-error-border);
}

.badge-warning {
  background-color: var(--color-warning-bg);
  color: #fbbf24;
  border: 1px solid var(--color-warning-border);
}

.badge-info {
  background-color: var(--color-info-bg);
  color: #60a5fa;
  border: 1px solid var(--color-info-border);
}

.badge-muted {
  background-color: rgba(148, 163, 184, 0.15);
  color: var(--color-text-muted);
  border: 1px solid rgba(148, 163, 184, 0.3);
}

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

.status-dot.dot-connected, .status-dot.dot-success {
  background-color: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
}

.status-dot.dot-connecting, .status-dot.dot-warning {
  background-color: var(--color-warning);
  box-shadow: 0 0 8px var(--color-warning);
  animation: pulse-dot 1.5s infinite;
}

.status-dot.dot-disconnected, .status-dot.dot-error {
  background-color: var(--color-error);
}

.status-dot.dot-idle {
  background-color: var(--color-text-dim);
}

@keyframes pulse-dot {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}

/* ==========================================================================
   Cards & Layout Components
   ========================================================================== */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast);
}

.card:hover {
  border-color: rgba(245, 166, 35, 0.25);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-body {
  position: relative;
}

/* Stat Cards Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: linear-gradient(145deg, var(--color-surface), #152230);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary-light);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: rgba(26, 71, 42, 0.4);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.stat-icon.icon-status {
  background-color: rgba(39, 174, 96, 0.15);
  color: var(--color-success);
}
.stat-icon.icon-failed {
  background-color: rgba(231, 76, 60, 0.15);
  color: var(--color-error);
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.stat-value {
  font-size: 1.45rem;
  font-weight: 700;
  color: #ffffff;
  margin-top: 0.15rem;
}

/* ==========================================================================
   Tables & Data Displays
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-surface-border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th {
  background-color: #152230;
  color: var(--color-text-muted);
  font-weight: 600;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-surface-border);
  white-space: nowrap;
  user-select: none;
}

.data-table th.sortable {
  cursor: pointer;
  transition: color var(--transition-fast);
}

.data-table th.sortable:hover {
  color: var(--color-accent);
}

.data-table th .sort-icon {
  margin-left: 0.35rem;
  font-size: 0.75rem;
  opacity: 0.6;
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.03);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* Checkbox styling */
.table-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

/* Table Pagination & Controls */
.table-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background-color: #152230;
  border-top: 1px solid var(--color-surface-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Loading Skeletons */
.skeleton {
  background: linear-gradient(90deg, #1c2b3a 25%, #25394d 50%, #1c2b3a 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
  display: inline-block;
}

.skeleton-text {
  height: 1rem;
  width: 100%;
  margin-bottom: 0.4rem;
}

.skeleton-row {
  height: 48px;
  width: 100%;
  margin-bottom: 6px;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  color: var(--color-text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.7;
}

.empty-state-title {
  font-size: 1.2rem;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.empty-state-text {
  font-size: 0.9rem;
  max-width: 400px;
  margin: 0 auto 1.5rem auto;
}

/* ==========================================================================
   Application Shell & Navigation Layout
   ========================================================================== */
#app-layout {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* Sidebar */
.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-bg-alt);
  border-right: 1px solid var(--color-surface-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 50;
  transition: transform var(--transition-normal);
}

.sidebar-brand {
  height: var(--header-height);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--color-surface-border);
  text-decoration: none;
}

.brand-logo-icon {
  font-size: 1.6rem;
  line-height: 1;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.2px;
}

.brand-badge {
  font-size: 0.7rem;
  color: var(--color-accent);
  text-transform: uppercase;
  font-weight: 600;
}

.sidebar-nav {
  flex: 1;
  padding: 1.25rem 0.75rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: #ffffff;
}

.nav-link.active {
  background-color: var(--color-primary);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 2px 8px var(--color-primary-glow);
  border-left: 3px solid var(--color-accent);
}

.nav-icon {
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--color-surface-border);
  background-color: rgba(15, 25, 35, 0.5);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.bot-quick-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  padding: 0.5rem 0.75rem;
  background-color: var(--color-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-surface-border);
}

/* Main Content Area */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  background-color: var(--color-bg);
}

.app-header {
  height: var(--header-height);
  padding: 0 1.5rem;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-surface-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  z-index: 40;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0.25rem;
}

.page-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  border: 1px solid var(--color-accent);
}

.content-container {
  flex: 1;
  overflow-y: auto;
  padding: 1.75rem;
}

/* ==========================================================================
   Login Page Shell
   ========================================================================== */
#login-view {
  min-height: 100vh;
  width: 100vw;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: radial-gradient(circle at top right, #1a472a 0%, #0f1923 60%);
  position: relative;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-primary));
}

.login-brand {
  text-align: center;
  margin-bottom: 2rem;
}

.login-brand-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  display: inline-block;
  animation: float-icon 3s ease-in-out infinite;
}

@keyframes float-icon {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.login-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: #ffffff;
}

.login-subtitle {
  color: var(--color-accent);
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 0.25rem;
}

.login-security-notice {
  margin-top: 1.75rem;
  padding: 0.75rem 1rem;
  background-color: rgba(15, 25, 35, 0.6);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-surface-border);
  font-size: 0.8rem;
  color: var(--color-text-dim);
  text-align: center;
}

/* ==========================================================================
   Page Specific Components
   ========================================================================== */

/* Bot Account Page */
.security-alert-box {
  background-color: rgba(245, 166, 35, 0.08);
  border: 1px solid rgba(245, 166, 35, 0.3);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.security-alert-box .icon {
  color: var(--color-accent);
  font-size: 1.3rem;
  flex-shrink: 0;
}

/* Recipients Page Tabs & Toolbar */
.tab-container {
  display: flex;
  border-bottom: 1px solid var(--color-surface-border);
  margin-bottom: 1.5rem;
  gap: 0.5rem;
}

.tab-btn {
  padding: 0.75rem 1.25rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: #ffffff;
}

.tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  font-weight: 600;
}

.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

.file-dropzone {
  border: 2px dashed var(--color-surface-border);
  border-radius: var(--radius-md);
  padding: 2.5rem 1.5rem;
  text-align: center;
  background-color: rgba(15, 25, 35, 0.4);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.file-dropzone:hover, .file-dropzone.dragover {
  border-color: var(--color-accent);
  background-color: rgba(245, 166, 35, 0.05);
}

.table-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.search-box {
  position: relative;
  min-width: 260px;
}
.search-box .form-control {
  padding-left: 2.2rem;
}
.search-box .search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-dim);
  pointer-events: none;
}

/* Compose Message Split Layout */
.compose-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.recipient-selector-list {
  max-height: 480px;
  overflow-y: auto;
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
}

.recipient-selector-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}
.recipient-selector-item:hover {
  background-color: rgba(255, 255, 255, 0.03);
}
.recipient-selector-item:last-child {
  border-bottom: none;
}

.recipient-selector-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  user-select: none;
}

.variable-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.6rem 0;
}

.variable-pill {
  background-color: rgba(26, 71, 42, 0.5);
  border: 1px solid var(--color-primary-light);
  color: var(--color-accent);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-family: monospace;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.variable-pill:hover {
  background-color: var(--color-primary);
  border-color: var(--color-accent);
}

.char-counter {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: right;
  margin-top: 0.25rem;
}
.char-counter.warning {
  color: var(--color-warning);
}
.char-counter.danger {
  color: var(--color-error);
  font-weight: 600;
}

.message-preview-card {
  background-color: rgba(15, 25, 35, 0.7);
  border: 1px solid var(--color-surface-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin: 1.25rem 0;
}

.message-preview-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.message-preview-content {
  font-size: 0.92rem;
  color: #ffffff;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: inherit;
}

/* Campaigns Cards */
.campaigns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.campaign-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.campaign-card:hover {
  transform: translateY(-2px);
  border-color: rgba(245, 166, 35, 0.3);
}

.progress-container {
  width: 100%;
  height: 8px;
  background-color: var(--color-bg);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent));
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

.campaign-stats-mini {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
  background-color: rgba(15, 25, 35, 0.4);
  padding: 0.6rem 0.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.campaign-stat-item .val {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
}
.campaign-stat-item .lbl {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

/* ==========================================================================
   Modal Dialogs
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
  overflow: hidden;
}

.modal-container.modal-lg {
  max-width: 850px;
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

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

.modal-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #ffffff;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
}
.modal-close-btn:hover {
  color: #ffffff;
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-surface-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  background-color: rgba(15, 25, 35, 0.4);
}

/* Confirmation Box inside modal */
.warning-box {
  background-color: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.warning-box .icon {
  font-size: 1.3rem;
  color: var(--color-warning);
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */
#toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 380px;
  width: calc(100vw - 3rem);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background-color: var(--color-surface);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.2rem;
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-accent);
  animation: toast-in 0.3s ease;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

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

.toast-icon {
  font-size: 1.2rem;
  line-height: 1.2;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.15rem;
}

.toast-message {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.toast-close {
  background: none;
  border: none;
  color: var(--color-text-dim);
  cursor: pointer;
  font-size: 1.1rem;
}
.toast-close:hover {
  color: #ffffff;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast.toast-hiding {
  opacity: 0;
  transform: translateX(100%);
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1024px) {
  .compose-layout {
    grid-template-columns: 1fr;
  }
  .recipient-selector-list {
    max-height: 250px;
  }
}

@media (max-width: 768px) {
  .app-sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }

  .app-sidebar.mobile-open {
    transform: translateX(0);
  }

  .mobile-menu-btn {
    display: block;
  }

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 45;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
  }

  .sidebar-backdrop.active {
    opacity: 1;
    visibility: visible;
  }

  .content-container {
    padding: 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .table-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    width: 100%;
  }
}