:root {
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f1f5f9;
  --bg-muted: #f1f5f9;
  
  --border-color: #e2e8f0;
  --border-color-dark: #cbd5e1;
  --border-focus: #0f172a;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --accent-black: #0f172a;
  --accent-black-hover: #1e293b;
  --accent-gray: #e2e8f0;
  --accent-rose: #e11d48;
  --accent-emerald: #059669;
  --accent-blue: #2563eb;
  --accent-amber: #d97706;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  --transition: all 0.15s ease;
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

.icon-sm {
  width: 16px;
  height: 16px;
  stroke-width: 2;
  vertical-align: middle;
}

.hidden {
  display: none !important;
}

/* PIN Screen */
.pin-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.pin-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: center;
}

.pin-logo {
  height: 38px;
  margin-bottom: 20px;
  object-fit: contain;
}

.pin-header h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.pin-header p {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 24px;
}

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

.pin-input-container input {
  width: 100%;
  padding: 12px 40px 12px 14px;
  font-size: 15px;
  letter-spacing: 1px;
}

.btn-toggle-eye {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-toggle-eye:hover {
  color: var(--text-primary);
}

.error-msg {
  color: var(--accent-rose);
  font-size: 13px;
  min-height: 20px;
  margin: 6px 0 10px;
  font-weight: 500;
}

.pin-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-muted);
}

.pin-footer code {
  background: var(--bg-muted);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

.navbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo {
  height: 28px;
  object-fit: contain;
}

.brand-divider {
  color: var(--border-color-dark);
  font-weight: 300;
  font-size: 18px;
}

.nav-subtitle {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-emerald);
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
}

/* Main Container */
.main-container {
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Stats Overview */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-muted);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
}

.stat-details h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

/* AI Config Panel */
.config-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 28px;
  overflow: hidden;
}

.config-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fafafa;
}

.config-header h3 {
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.config-header p {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.config-body {
  padding: 20px;
}

.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 768px) {
  .config-grid {
    grid-template-columns: 1fr;
  }
}

.model-presets {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.preset-label {
  font-size: 11px;
  color: var(--text-muted);
}

.btn-preset {
  background: var(--bg-muted);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.btn-preset:hover {
  background: #e2e8f0;
  color: var(--text-primary);
}

.config-footer {
  margin-top: 16px;
  display: flex;
  justify-content: flex-end;
}

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.toolbar-left h2 {
  font-size: 18px;
  font-weight: 700;
}

.toolbar-left p {
  font-size: 13px;
  color: var(--text-secondary);
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Accounts Grid */
.accounts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 18px;
}

.account-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
}

.account-card:hover {
  border-color: var(--border-color-dark);
}

.account-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.acc-title-group h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

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

/* Persona Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background: var(--bg-muted);
  color: var(--text-secondary);
}

.badge-general {
  background: #f0f9ff;
  border-color: #bae6fd;
  color: #0369a1;
}

.badge-umkm {
  background: #fff7ed;
  border-color: #fed7aa;
  color: #c2410c;
}

.badge-tech {
  background: #eef2ff;
  border-color: #c7d2fe;
  color: #4338ca;
}

.badge-health {
  background: #ecfdf5;
  border-color: #a7f3d0;
  color: #047857;
}

.account-meta {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
}

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

.meta-label {
  color: var(--text-muted);
}

.meta-val {
  color: var(--text-primary);
  font-weight: 500;
}

.account-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.account-actions .btn {
  flex: 1;
  padding: 6px 10px;
  font-size: 12px;
}

.account-actions .btn-icon {
  flex: 0 0 auto;
  padding: 6px 9px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-black);
  color: #ffffff;
  border-color: var(--accent-black);
}

.btn-primary:hover {
  background: var(--accent-black-hover);
  border-color: var(--accent-black-hover);
}

.btn-secondary {
  background: var(--bg-surface);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-color-dark);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.btn-outline:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.btn-danger-icon {
  background: transparent;
  border: 1px solid #fecdd3;
  color: var(--accent-rose);
}

.btn-danger-icon:hover {
  background: #fff1f2;
  border-color: #fda4af;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

.btn-block {
  width: 100%;
}

/* Forms & Inputs */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  text-align: left;
  margin-bottom: 12px;
}

.input-group.full-width {
  grid-column: 1 / -1;
}

.input-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

input[type="text"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 8px 12px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: var(--transition);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--border-focus);
}

select {
  cursor: pointer;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 14px;
  appearance: none;
}

textarea {
  resize: vertical;
}

small {
  font-size: 11px;
  color: var(--text-muted);
}

.persona-desc-box {
  margin-top: 6px;
  background: var(--bg-muted);
  border: 1px solid var(--border-color);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
}

.modal-card {
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.modal-lg {
  max-width: 820px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

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

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.form-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* AI Tester Layout */
.ai-tester-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

@media (max-width: 768px) {
  .ai-tester-grid {
    grid-template-columns: 1fr;
  }
}

.ai-preview-container h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.ai-result-box {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  min-height: 250px;
  max-height: 380px;
  overflow-y: auto;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ai-post-part {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-black);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  line-height: 1.45;
}

.ai-post-part-header {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
}

.placeholder-text {
  color: var(--text-muted);
  margin: auto;
  text-align: center;
  font-size: 13px;
}

/* Spinner & Animations */
.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(0, 0, 0, 0.15);
  border-top-color: var(--accent-black);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

.btn-primary .spinner {
  border-color: rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
}

.loading-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

.loading-state .spinner {
  width: 24px;
  height: 24px;
  margin-bottom: 10px;
}

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

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 2000;
}

.toast {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 360px;
}

.toast-success { border-left: 4px solid var(--accent-emerald); }
.toast-error { border-left: 4px solid var(--accent-rose); }
.toast-info { border-left: 4px solid var(--accent-blue); }