/* ==========================================================================
   MANAGER PANEL - HIGH PERFORMANCE MODERN DESIGN SYSTEM
   Ultra-fast, 60-144 FPS smooth rendering with zero GPU lag
   ========================================================================== */

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

:root {
  /* High Performance Color Palette (Zero GPU composite penalty) */
  --bg-main: #0b0f19;
  --bg-surface: #111726;
  --bg-elevated: #161e31;
  --bg-card: #111728;
  --bg-hover: rgba(255, 255, 255, 0.05);
  --bg-active: rgba(255, 255, 255, 0.08);

  --border-subtle: #1e293b;
  --border-medium: #334155;
  --border-focus: #6366f1;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dim: #475569;

  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

input, select, textarea, button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

[x-cloak] {
  display: none !important;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  position: relative;
}

.card-hover {
  transition: border-color 0.12s ease;
}
.card-hover:hover {
  border-color: var(--border-medium);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #0b0f19;
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  max-width: 84rem;
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 3.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  user-select: none;
}

.brand-icon {
  width: 2.125rem;
  height: 2.125rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid transparent;
  transition: background 0.12s ease, color 0.12s ease;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.nav-link.active {
  color: #fff;
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
  font-weight: 600;
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  background: #0b0f19;
  border-top: 1px solid var(--border-subtle);
  padding: 0.5rem 0.75rem;
  justify-content: space-around;
  position: sticky;
  bottom: 0;
  z-index: 100;
}

@media (max-width: 820px) {
  .nav-links { display: none !important; }
  .mobile-nav { display: flex; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.8125rem;
  line-height: 1.25;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
  user-select: none;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: #4f46e5;
  color: #ffffff;
}
.btn-primary:hover:not(:disabled) {
  background: #4338ca;
}

.btn-secondary {
  background: #161e31;
  color: var(--text-primary);
  border-color: var(--border-subtle);
}
.btn-secondary:hover:not(:disabled) {
  background: #1e293b;
  border-color: var(--border-medium);
}

.btn-success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.3);
}
.btn-success:hover:not(:disabled) {
  background: rgba(16, 185, 129, 0.25);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border-color: rgba(244, 63, 94, 0.3);
}
.btn-danger:hover:not(:disabled) {
  background: rgba(244, 63, 94, 0.25);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  padding: 0.45rem;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
}
.btn-icon:hover {
  color: var(--text-primary);
}

/* Form Inputs */
.input-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.input {
  width: 100%;
  padding: 0.625rem 0.8rem;
  background: #090d16;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.8125rem;
  transition: border-color 0.12s ease;
}

.input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.input::placeholder {
  color: var(--text-dim);
}

.input-mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1;
  text-transform: uppercase;
}

.badge-primary {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-danger {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.badge-neutral {
  background: #161e31;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: #090d16;
}

.tbl {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.8125rem;
}

.tbl thead {
  background: #111728;
  border-bottom: 1px solid var(--border-subtle);
}

.tbl th {
  padding: 0.7rem 1rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.tbl td {
  padding: 0.75rem 1rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

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

.tbl tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.7);
}

.modal-box {
  background: #111728;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 30rem;
  padding: 1.5rem;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  padding: 0.7rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #161e31;
}

/* Loader */
.loader {
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

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

/* Utilities */
.mono {
  font-family: var(--font-mono);
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.copy-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
}
.copy-btn:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

/* Grid */
.grid-cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .grid-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-cards { grid-template-columns: repeat(3, 1fr); }
}