:root {
  --bg-dark: #030712;
  --bg-surface: #0b1120;
  --bg-card: rgba(15, 23, 42, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-focus: rgba(56, 189, 248, 0.5);
  
  --primary: #38bdf8;
  --accent-cyan: #38bdf8;
  --accent-purple: #c084fc;
  --accent-emerald: #34d399;
  --accent-amber: #fbbf24;
  --accent-rose: #fb7185;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(at 10% 20%, rgba(56, 189, 248, 0.05) 0px, transparent 50%),
    radial-gradient(at 90% 80%, rgba(192, 132, 252, 0.05) 0px, transparent 50%);
}

/* App Header */
.app-header {
  height: 56px;
  background: rgba(3, 7, 18, 0.85);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

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

.logo-badge {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #fff;
  font-weight: 800;
  font-size: 0.82rem;
  padding: 5px 12px;
  border-radius: 6px;
  letter-spacing: 0.04em;
  border: 1px solid rgba(56, 189, 248, 0.4);
  box-shadow: 0 0 12px rgba(2, 132, 199, 0.3);
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--accent-cyan);
  background: linear-gradient(135deg, #38bdf8, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: 2px 6px;
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 6px;
}

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

.brand-name {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-sub {
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* Studio Switcher */
.studio-switcher-wrap {
  position: relative;
}

.studio-switcher-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-medium);
  color: var(--text-main);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.studio-switcher-btn:hover {
  background: rgba(30, 41, 59, 0.9);
  border-color: var(--primary);
}

.studio-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 330px;
  background: #090e18;
  border: 1px solid var(--border-medium);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.7);
  z-index: 200;
  overflow: hidden;
}

.studio-dropdown.show {
  display: block;
}

.studio-dropdown-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: rgba(15, 23, 42, 0.7);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.studio-dropdown-header .hub-link {
  color: var(--primary);
  text-decoration: none;
}

.studio-dropdown-grid {
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.studio-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.15s;
}

.studio-menu-item:hover, .studio-menu-item.active {
  background: rgba(56, 189, 248, 0.1);
}

.studio-menu-item .item-icon {
  font-size: 1.1rem;
}

.studio-menu-item .item-text {
  display: flex;
  flex-direction: column;
}

.studio-menu-item .item-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
}

.studio-menu-item .item-desc {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.studio-menu-item .active-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  margin-left: auto;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

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

.status-pill.live .status-dot {
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.72rem;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #2563eb);
  color: #fff;
  border-color: rgba(56, 189, 248, 0.4);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1, #1d4ed8);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-medium);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.12);
  border-color: rgba(244, 63, 94, 0.3);
  color: #fda4af;
}

.btn-danger:hover {
  background: rgba(244, 63, 94, 0.25);
  border-color: var(--accent-rose);
}

/* Main Container */
.manager-main {
  max-width: 1300px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  flex: 1;
}

/* Hero & Stats */
.manager-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-content h2 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.hero-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 650px;
}

.stats-ribbon {
  display: flex;
  gap: 14px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 12px 18px;
  display: flex;
  flex-direction: column;
  min-width: 120px;
}

.stat-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-mono);
}

/* Org Cards Container */
.org-cards-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.org-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
}

.org-card-header {
  padding: 18px 22px;
  background: rgba(15, 23, 42, 0.6);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.org-identity {
  display: flex;
  align-items: center;
  gap: 14px;
}

.org-icon {
  font-size: 1.8rem;
  background: rgba(255, 255, 255, 0.04);
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
}

.org-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.org-badge {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-cyan);
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.org-tagline {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 3px;
}

.org-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Instance Grid inside Org Card */
.instance-grid {
  padding: 20px 22px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 16px;
}

.instance-card {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  transition: all 0.2s;
}

.instance-card:hover {
  background: rgba(30, 41, 59, 0.6);
  border-color: var(--border-medium);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.instance-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.instance-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.instance-prefix {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--accent-purple);
  background: rgba(192, 132, 252, 0.12);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(192, 132, 252, 0.25);
}

.instance-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.45;
  min-height: 2.9em;
}

.instance-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.7rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border-subtle);
  padding-top: 10px;
}

.instance-scope {
  color: var(--accent-cyan);
  font-weight: 600;
}

.instance-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

/* Modals */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  z-index: 500;
  align-items: center;
  justify-content: center;
}

.modal-overlay.open {
  display: flex;
}

.modal-dialog {
  background: #090e18;
  border: 1px solid var(--border-medium);
  border-radius: 14px;
  width: 90%;
  max-width: 560px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  animation: modalFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 16px 20px;
  background: rgba(15, 23, 42, 0.8);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
}

.modal-close:hover {
  color: #fff;
}

.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-group label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.form-group .required {
  color: var(--accent-rose);
}

.form-row {
  display: flex;
  gap: 12px;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

input[type="text"], select, textarea {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  padding: 8px 12px;
  color: var(--text-main);
  font-size: 0.82rem;
  outline: none;
  font-family: inherit;
}

input[type="text"]:focus, select:focus, textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

.font-mono {
  font-family: var(--font-mono) !important;
}

.section-divider {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-cyan);
  border-bottom: 1px solid rgba(56, 189, 248, 0.2);
  padding-bottom: 4px;
  margin-top: 6px;
}

.clone-banner {
  background: rgba(192, 132, 252, 0.1);
  border: 1px solid rgba(192, 132, 252, 0.3);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.8rem;
}

.clone-banner .sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.note-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.modal-footer {
  padding: 14px 20px;
  background: rgba(15, 23, 42, 0.8);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
}

.toast {
  background: #090e18;
  border: 1px solid var(--border-medium);
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.8rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  animation: toastIn 0.2s ease-out;
}

.toast.success { border-color: var(--accent-emerald); color: #6ee7b7; }
.toast.info { border-color: var(--accent-cyan); color: #7dd3fc; }
.toast.error { border-color: var(--accent-rose); color: #fda4af; }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-muted);
  gap: 16px;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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