:root {
  --bg-primary: #0a0e17;
  --bg-card: rgba(18, 25, 41, 0.75);
  --bg-card-hover: rgba(24, 33, 54, 0.85);
  --bg-input: rgba(13, 19, 33, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: #3b82f6;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-glow: rgba(59, 130, 246, 0.35);
  --secondary: #6366f1;
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.3);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.3);
  --warning: #f59e0b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(16, 185, 129, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-family);
  min-height: 100vh;
  line-height: 1.5;
  padding: 24px;
  -webkit-font-smoothing: antialiased;
}

.app-container {
  max-width: 1280px;
  margin: 0 auto;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding: 16px 24px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.logo-icon svg {
  width: 24px;
  height: 24px;
}

.logo-text h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.badge.pulse::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--success);
  box-shadow: 0 0 10px var(--success);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Main Grid Layout */
.main-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
}

@media (max-width: 992px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
}

/* Cards */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  margin-bottom: 24px;
  transition: var(--transition);
}

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

.card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 18px;
  color: #fff;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.card-title svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

/* Quick Presets Bar */
.presets-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.preset-chip {
  padding: 6px 14px;
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.preset-chip:hover {
  background: rgba(59, 130, 246, 0.12);
  border-color: var(--primary);
  color: #fff;
}

/* Form Styles */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-row.three-col {
  grid-template-columns: 2fr 1fr 1fr;
}

@media (max-width: 600px) {
  .form-row, .form-row.three-col {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-group label span.helper {
  font-size: 0.72rem;
  color: var(--text-dim);
}

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

.input-icon {
  position: absolute;
  left: 12px;
  color: var(--text-dim);
  pointer-events: none;
  width: 16px;
  height: 16px;
}

input[type="text"],
input[type="number"],
input[type="password"],
input[type="email"],
select,
textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.has-icon {
  padding-left: 38px !important;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: rgba(18, 25, 41, 0.95);
}

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

/* Security Radio Tabs */
.security-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.radio-card {
  position: relative;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  user-select: none;
}

.radio-card input {
  position: absolute;
  opacity: 0;
}

.radio-card:hover {
  background: rgba(255, 255, 255, 0.05);
}

.radio-card.active {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
}

.radio-card-title {
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 4px;
  color: #fff;
}

.radio-card-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Toggle Checkbox */
.toggle-group {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-bottom: 16px;
}

.toggle-switch {
  position: relative;
  width: 38px;
  height: 20px;
  background: #334155;
  border-radius: 9999px;
  transition: var(--transition);
  flex-shrink: 0;
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition);
}

input[type="checkbox"]:checked + .toggle-switch {
  background: var(--primary);
}

input[type="checkbox"]:checked + .toggle-switch::after {
  transform: translateX(18px);
}

.toggle-label {
  display: flex;
  flex-direction: column;
}

.toggle-label strong {
  font-size: 0.825rem;
  color: #fff;
}

.toggle-label span {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Action Buttons */
.button-row {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: 0 4px 15px var(--primary-glow);
  flex: 2;
}

.btn-primary:hover:not(:disabled) {
  filter: brightness(1.15);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  flex: 1;
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.14);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}

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

/* Status Banner */
.status-banner {
  padding: 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  display: none;
  align-items: flex-start;
  gap: 14px;
  animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.status-banner.success {
  display: flex;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
}

.status-banner.error {
  display: flex;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.status-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.status-content h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
  font-weight: 600;
}

.status-content p {
  font-size: 0.825rem;
  opacity: 0.9;
}

/* Terminal / Log Viewer */
.terminal-window {
  background: #080c14;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.6);
}

.terminal-header {
  background: #0f1524;
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-title {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.terminal-actions button {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.75rem;
  transition: var(--transition);
}

.terminal-actions button:hover {
  color: var(--text-main);
}

.terminal-body {
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #cbd5e1;
  max-height: 480px;
  min-height: 250px;
  overflow-y: auto;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
}

.terminal-body::-webkit-scrollbar {
  width: 6px;
}

.terminal-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

.log-entry {
  margin-bottom: 4px;
}

.log-success {
  color: #34d399;
}

.log-error {
  color: #f87171;
}

.log-info {
  color: #60a5fa;
}

.log-warn {
  color: #fbbf24;
}

/* Tab headers in message builder */
.tab-row {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
}

.tab-btn.active {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-weight: 600;
}