/* ===========================
   SLB Hub — Apple-inspired with sidebar
=========================== */
:root {
  --bg: #f2f2f7;
  --card: #ffffff;
  --card-hover: #f8f8fa;
  --border: #e5e5ea;
  --border-light: #f0f0f5;
  --text: #1c1c1e;
  --text-secondary: #8e8e93;
  --text-tertiary: #aeaeb2;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-light: rgba(99, 102, 241, 0.08);
  --white: #ffffff;
  --danger: #ff3b30;
  --success: #34c759;
  --amber: #ff9500;
  --blue: #007aff;
  --radius: 14px;
  --radius-sm: 10px;
  --sidebar-w: 240px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ===========================
   Layout: Sidebar + Main
=========================== */
.layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  background: var(--white);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform .25s ease;
}

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

.sidebar-brand h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.sidebar-brand h1 span {
  font-weight: 400;
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-left: 4px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  overflow-y: auto;
}

.sidebar-nav .nav-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  padding: 16px 12px 6px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background .15s, color .15s;
}

.sidebar-nav a:hover {
  background: var(--bg);
  color: var(--text);
}

.sidebar-nav a.active {
  background: var(--accent-light);
  color: var(--accent);
}

.sidebar-nav a i {
  width: 20px;
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.7;
}

.sidebar-nav a.active i {
  opacity: 1;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-light);
}

.sidebar-footer a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color .15s;
}

.sidebar-footer a:hover {
  color: var(--danger);
}

/* Main content */
.main {
  flex: 1;
  margin-left: var(--sidebar-w);
  padding: 32px;
  max-width: 960px;
}

/* Mobile hamburger (hidden on desktop) */
.mobile-bar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 52px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 90;
  padding: 0 16px;
  align-items: center;
  justify-content: space-between;
}

.mobile-bar h1 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
}

.mobile-bar h1 span {
  font-weight: 400;
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text);
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  place-items: center;
  transition: background .15s;
}

.hamburger:hover {
  background: var(--bg);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 99;
}

/* ===========================
   Typography
=========================== */
h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: 1.15rem; font-weight: 600; color: var(--text); }
p { color: var(--text-secondary); }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ===========================
   Section labels
=========================== */
.section-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin: 28px 0 12px;
}

/* ===========================
   Stats
=========================== */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 8px;
}

.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.stat .number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat .label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  margin-top: 6px;
}

/* ===========================
   Tiles (quick actions)
=========================== */
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--text);
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.tile:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
  border-color: var(--accent);
  color: var(--text);
}

.tile i {
  font-size: 24px;
  margin-bottom: 10px;
  color: var(--accent);
}

/* ===========================
   Cards
=========================== */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

/* ===========================
   Tables
=========================== */
.table-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

table {
  border-collapse: collapse;
  font-size: 0.85rem;
  width: 100%;
}

th, td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-light);
  text-align: left;
}

th {
  background: var(--bg);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
}

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

tr:hover td {
  background: var(--card-hover);
}

td a { font-weight: 500; }

code {
  background: var(--bg);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--accent);
}

/* ===========================
   Badges
=========================== */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
}

.badge-owner    { background: #ede9fe; color: #6d28d9; }
.badge-user     { background: #e0f2fe; color: #0369a1; }
.badge-readonly { background: var(--bg); color: var(--text-secondary); }
.badge-active   { background: #dcfce7; color: #15803d; }
.badge-inactive { background: #fef2f2; color: #991b1b; }
.badge-dev        { background: #fef3c7; color: #92400e; }
.badge-production { background: #dcfce7; color: #15803d; }
.badge-archive    { background: var(--bg); color: var(--text-tertiary); }

/* ===========================
   Buttons
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: var(--white);
  border: 0;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.875rem;
  transition: background .15s, transform .1s;
  text-decoration: none;
  font-family: inherit;
}

.btn:hover {
  background: var(--accent-hover);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 0.8rem;
  border-radius: 8px;
}

.btn-outline {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  background: var(--bg);
  color: var(--text);
  transform: none;
}

.btn-danger {
  background: transparent;
  border: 1px solid #fecaca;
  color: var(--danger);
  padding: 7px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  font-family: inherit;
}

.btn-danger:hover { background: #fef2f2; }

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

/* ===========================
   Top bar (page header)
=========================== */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

/* ===========================
   Forms
=========================== */
.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-group label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: inherit;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 16px;
  transition: border-color .15s, box-shadow .15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
  background: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-row .form-group { flex: 1; }

/* Checkboxes */
.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkbox-list label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  text-transform: none;
  letter-spacing: normal;
  color: var(--text);
}

.checkbox-list input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
  border-radius: 6px;
}

/* ===========================
   Alerts
=========================== */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.alert-success { background: #dcfce7; color: #15803d; border: 1px solid #bbf7d0; }
.alert-danger  { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* ===========================
   Login
=========================== */
.login-wrapper {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  background: var(--bg);
}

.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 44px 36px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 2px 20px rgba(0,0,0,.04);
}

.login-card h1 {
  text-align: center;
  margin-bottom: 8px;
  color: var(--accent);
}

.login-card .subtitle {
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

/* ===========================
   Empty state
=========================== */
.empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-secondary);
}

.empty i {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  opacity: 0.3;
}

.empty p {
  font-size: 0.9rem;
  margin: 0.5rem 0;
}

/* ===========================
   Responsive
=========================== */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.open {
    display: block;
  }

  .mobile-bar {
    display: flex;
  }

  .hamburger {
    display: grid;
  }

  .main {
    margin-left: 0;
    padding: 68px 16px 24px;
  }

  .form-row { flex-direction: column; gap: 16px; }
  th.hide-sm, td.hide-sm { display: none; }
}

@media (max-width: 480px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .tiles { grid-template-columns: repeat(2, 1fr); }
}