:root {
  /* Default Black (Dark) Theme */
  --bg-main: #070b14;
  --bg-sidebar: #0a0f1d;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: #00f0ff;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --cyan: #00f0ff;
  --cyan-glow: rgba(0, 240, 255, 0.25);
  --emerald: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.25);
  --amber: #f59e0b;
  --rose: #f43f5e;
  --purple: #8b5cf6;
  --gold: #fbbf24;
  --blue: #3b82f6;

  --input-bg: rgba(10, 15, 29, 0.85);
  --modal-bg: #0f172a;
  --table-header-bg: rgba(0, 0, 0, 0.25);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* White (Light) Theme */
body.theme-white {
  --bg-main: #f1f5f9;
  --bg-sidebar: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-card-hover: #ffffff;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-focus: #0284c7;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
  
  --cyan: #0284c7;
  --cyan-glow: rgba(2, 132, 199, 0.2);
  --emerald: #059669;
  --emerald-glow: rgba(5, 150, 105, 0.2);
  --amber: #d97706;
  --rose: #e11d48;
  --purple: #7c3aed;
  --gold: #d97706;
  --blue: #2563eb;

  --input-bg: #f8fafc;
  --modal-bg: #ffffff;
  --table-header-bg: #f8fafc;
}

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

body {
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(0, 240, 255, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.04) 0%, transparent 40%);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* App Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 275px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 50;
  flex-shrink: 0;
  transition: var(--transition);
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-color);
}

.logo-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-size: 26px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(0, 240, 255, 0.15));
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: var(--radius-md);
  box-shadow: 0 0 20px rgba(251, 191, 36, 0.15);
}

.logo-title {
  display: block;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-main);
}

.logo-subtitle {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.sidebar-nav {
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-grow: 1;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
}

.nav-item:hover {
  color: var(--text-main);
  background: rgba(125, 125, 125, 0.08);
}

.nav-item.active {
  color: var(--text-main);
  background: linear-gradient(90deg, rgba(0, 240, 255, 0.15), rgba(0, 240, 255, 0.05));
  border: 1px solid rgba(0, 240, 255, 0.3);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
}

.nav-icon {
  font-size: 18px;
}

.nav-badge {
  margin-left: auto;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(125, 125, 125, 0.15);
  color: var(--text-main);
}

.nav-badge.pulse {
  background: rgba(0, 240, 255, 0.2);
  color: var(--cyan);
}

.nav-badge.success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--emerald);
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

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

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-indicator.online {
  background: var(--emerald);
  box-shadow: 0 0 10px var(--emerald);
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}

.status-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}

.status-domain {
  font-size: 10px;
  color: var(--text-dim);
}

/* Main Content */
.main-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  padding: 24px 32px;
  overflow-y: auto;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-color);
  gap: 20px;
}

.page-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.3px;
}

.page-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

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

.switch-group {
  display: flex;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 3px;
}

.switch-btn {
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 700;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.switch-btn.active {
  background: var(--bg-card);
  color: var(--cyan);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.min-dep-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 999px;
  font-size: 12px;
}

.pill-label {
  color: var(--amber);
  font-weight: 600;
}

.pill-val {
  color: var(--text-main);
  font-weight: 800;
  font-family: var(--font-mono);
}

.refresh-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}

/* Tabs */
.tab-pane {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(125, 125, 125, 0.25);
  background: var(--bg-card-hover);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.stat-card.gradient-cyan::before { background: linear-gradient(90deg, var(--cyan), transparent); }
.stat-card.gradient-emerald::before { background: linear-gradient(90deg, var(--emerald), transparent); }
.stat-card.gradient-amber::before { background: linear-gradient(90deg, var(--amber), transparent); }
.stat-card.gradient-rose::before { background: linear-gradient(90deg, var(--rose), transparent); }
.stat-card.gradient-blue::before { background: linear-gradient(90deg, var(--blue), transparent); }
.stat-card.gradient-purple::before { background: linear-gradient(90deg, var(--purple), transparent); }
.stat-card.gradient-gold::before { background: linear-gradient(90deg, var(--gold), transparent); }
.stat-card.gradient-indigo::before { background: linear-gradient(90deg, #6366f1, transparent); }

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.stat-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.stat-icon {
  font-size: 20px;
}

.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-main);
  font-family: var(--font-mono);
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.stat-footer {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-trend.positive {
  font-size: 12px;
  font-weight: 700;
  color: var(--emerald);
}

.stat-sub {
  font-size: 11px;
  color: var(--text-dim);
}

/* Card & Panels */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.card-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(125, 125, 125, 0.03);
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
}

.card-body {
  padding: 22px;
}

.dash-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 992px) {
  .dash-two-col { grid-template-columns: 1fr; }
}

.section-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #00f0ff 0%, #0284c7 100%);
  color: #04121e;
  font-weight: 700;
  box-shadow: 0 0 15px var(--cyan-glow);
}

.btn-primary:hover {
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.45);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(125, 125, 125, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(125, 125, 125, 0.16);
}

.btn-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff;
  box-shadow: 0 0 15px var(--emerald-glow);
}

.btn-warning {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #000;
  font-weight: 700;
}

.btn-danger {
  background: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
  color: #fff;
  font-weight: 700;
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}

.btn-ghost:hover {
  color: var(--text-main);
  background: rgba(125, 125, 125, 0.08);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-block {
  width: 100%;
}

/* Inputs & Form Elements */
.input, .select, .textarea {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

.input:focus, .select:focus, .textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 12px var(--cyan-glow);
}

.input-sm, .select-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-hint {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 5px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.flex-gap {
  display: flex;
  gap: 10px;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* Min Deposit Preset Buttons */
.min-dep-buttons {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.btn-dep-preset {
  flex: 1;
  padding: 8px 12px;
  background: rgba(125, 125, 125, 0.08);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: var(--transition);
}

.btn-dep-preset:hover, .btn-dep-preset.active {
  background: rgba(245, 158, 11, 0.2);
  border-color: var(--amber);
  color: var(--amber);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.2);
}

.custom-dep-group {
  display: flex;
  gap: 10px;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.data-table th {
  padding: 12px 18px;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  background: var(--table-header-bg);
}

.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tr:hover td {
  background: rgba(125, 125, 125, 0.04);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
}

.badge-success { background: rgba(16, 185, 129, 0.15); color: var(--emerald); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: var(--amber); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-danger { background: rgba(244, 63, 94, 0.15); color: var(--rose); border: 1px solid rgba(244, 63, 94, 0.3); }
.badge-info { background: rgba(0, 240, 255, 0.15); color: var(--cyan); border: 1px solid rgba(0, 240, 255, 0.3); }
.badge-muted { background: rgba(125, 125, 125, 0.1); color: var(--text-muted); }

/* Postback Banner */
.postback-info-card {
  background: var(--bg-card);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.08);
}

.pb-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--cyan);
  margin-bottom: 6px;
}

.pb-url-copy-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin: 16px 0;
  overflow-x: auto;
}

.pb-url-copy-box code {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  word-break: break-all;
  flex-grow: 1;
}

.pb-tips {
  font-size: 12px;
  color: var(--text-muted);
}

/* Telegram Broadcast Preview Bubble */
.tg-preview-container {
  background: #17212b;
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border-color);
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.tg-bubble {
  background: #182533;
  border-radius: 14px 14px 14px 4px;
  max-width: 480px;
  padding: 14px 16px;
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  font-size: 14px;
  line-height: 1.5;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tg-preview-photo {
  max-width: 100%;
  max-height: 240px;
  border-radius: 10px;
  margin-bottom: 10px;
  object-fit: cover;
  display: block;
}

.tg-preview-buttons {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tg-btn-mock {
  background: #2b5278;
  color: #fff;
  border-radius: 8px;
  padding: 8px 12px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
}

/* Drop Zone */
.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  background: rgba(125, 125, 125, 0.03);
  transition: var(--transition);
  cursor: pointer;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--cyan);
  background: rgba(0, 240, 255, 0.04);
}

.drop-icon {
  font-size: 36px;
  margin-bottom: 8px;
}

.drop-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
}

.drop-subtitle {
  font-size: 12px;
  color: var(--text-dim);
}

.upload-file-info {
  margin-top: 14px;
  padding: 12px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-size: 13px;
}

/* Modals */
.modal, .login-modal {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(12px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal.active, .login-modal.active {
  display: flex;
}

.modal-card {
  background: var(--modal-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 650px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  animation: modalScale 0.25s ease;
}

@keyframes modalScale {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover { color: var(--text-main); }

.modal-body {
  padding: 22px;
  overflow-y: auto;
}

/* Login Card */
.login-card {
  background: var(--modal-bg);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  width: 100%;
  max-width: 440px;
  text-align: center;
  box-shadow: 0 0 50px rgba(0, 240, 255, 0.12);
}

.brand-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(251, 191, 36, 0.15);
  border: 1px solid rgba(251, 191, 36, 0.3);
  color: var(--gold);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.login-brand h2 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
}

.login-brand p {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pin-inputs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 18px;
}

.pin-digit {
  width: 46px;
  height: 52px;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  font-family: var(--font-mono);
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  outline: none;
  transition: var(--transition);
}

.pin-digit:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 15px var(--cyan-glow);
}

.login-error {
  font-size: 12px;
  color: var(--rose);
  margin-bottom: 12px;
  min-height: 18px;
}

.login-hint {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 14px;
}

/* Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 14px;
}

.timeline-item {
  display: flex;
  gap: 12px;
  position: relative;
  padding-left: 20px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: -14px;
  width: 2px;
  background: var(--border-color);
}

.timeline-item:last-child::before { display: none; }

.timeline-dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.timeline-content {
  background: rgba(125, 125, 125, 0.04);
  border: 1px solid var(--border-color);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  width: 100%;
}

.timeline-action {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
}

.timeline-time {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 2px;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
}

.toast {
  background: var(--modal-bg);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--cyan);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  animation: toastSlide 0.3s ease;
}

.toast.toast-success { border-left-color: var(--emerald); }
.toast.toast-error { border-left-color: var(--rose); }

@keyframes toastSlide {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* JSON Viewer */
.json-viewer {
  background: var(--input-bg);
  padding: 16px;
  border-radius: var(--radius-md);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  max-height: 400px;
  overflow: auto;
  border: 1px solid var(--border-color);
}

/* Danger Zone */
.danger-card {
  border-color: rgba(244, 63, 94, 0.3);
  background: rgba(244, 63, 94, 0.04);
}

/* Utilities */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--rose); }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 20px; }
.mb-2 { margin-bottom: 8px; }
.p-0 { padding: 0 !important; }
.py-4 { padding-top: 24px; padding-bottom: 24px; }