:root {
  --bg-base: #F9FAFB;
  --bg-surface: #FFFFFF;
  --bg-surface-2: #F3F4F6;
  --border-default: #E5E7EB;
  --border-strong: #D1D5DB;
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --accent: #2563EB;
  --accent-hover: #1D4ED8;
  --accent-soft: #EFF6FF;
  --success: #059669;
  --success-soft: #ECFDF5;
  --danger: #DC2626;
  --danger-soft: #FEF2F2;
  --warning: #D97706;
  --warning-soft: #FFFBEB;
  --sidebar-bg: #FFFFFF;
  --bg-pattern-dot: rgba(17, 24, 39, 0.028);
  --bg-pattern-line: rgba(17, 24, 39, 0.018);
  --sidebar-width: 256px;
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.9);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 1px 0 rgba(255,255,255,0.6) inset;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-base);
  -webkit-font-smoothing: antialiased;
}

h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; margin: 0; }
h2 { font-size: 1.25rem; font-weight: 600; letter-spacing: -0.01em; margin: 0; }
h3 { font-size: 1rem; font-weight: 600; margin: 0; }
.label { font-size: 0.8125rem; font-weight: 500; color: var(--text-secondary); }

.app-shell { display: flex; min-height: 100vh; }
.desktop-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  padding: var(--space-5) var(--space-4);
  overflow-y: auto;
  z-index: 30;
}
.app-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-width: 0;
  min-height: 100vh;
  background-color: #FAFBFC;
  background-image:
    radial-gradient(circle at 1px 1px, var(--bg-pattern-dot) 1px, transparent 0),
    linear-gradient(var(--bg-pattern-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-pattern-line) 1px, transparent 1px);
  background-size: 28px 28px, 56px 56px, 56px 56px;
}
.content-main {
  padding: var(--space-8);
  padding-top: calc(64px + var(--space-8));
  max-width: 1280px;
}

.app-header {
  position: fixed;
  top: 0;
  right: 0;
  left: var(--sidebar-width);
  height: 64px;
  z-index: 45;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-bottom: 1px solid var(--border-default);
}

.brand-kicker {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}
.brand-title { font-size: 1.2rem; font-weight: 700; color: var(--text-primary); }
.sidebar-nav { margin-top: var(--space-4); display: grid; gap: var(--space-2); }
.sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-default);
  padding-top: var(--space-4);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 450;
  color: var(--text-secondary);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: var(--bg-surface-2); color: var(--text-primary); }
.nav-link.is-active { background: var(--accent-soft); color: var(--accent); font-weight: 500; }
.nav-link svg { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.75; }
.nav-link.is-active svg { opacity: 1; }

.lang-toggle {
  display: flex;
  background: var(--bg-surface-2);
  border-radius: 9999px;
  padding: 2px;
}
.lang-btn {
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
}
.lang-btn.active {
  background: #fff;
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  padding: var(--space-6);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
}
.glass-panel { background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: 12px; }
.card-glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--space-6);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
}

.btn, .btn-primary, .btn-secondary, .btn-danger, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  border-radius: 8px;
  padding: 8px 14px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn:focus-visible, .btn-primary:focus-visible, .btn-secondary:focus-visible, .btn-danger:focus-visible, .btn-ghost:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-secondary { background: #fff; color: var(--text-primary); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--bg-surface-2); }
.btn-danger { background: var(--danger-soft); color: var(--danger); border-color: #FECACA; }
.btn-danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-ghost { background: transparent; color: var(--text-secondary); border-color: transparent; padding: 6px 10px; }
.btn-ghost:hover { background: var(--bg-surface-2); color: var(--text-primary); }
.btn-sm { padding: 5px 10px; font-size: 0.8125rem; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 0.8125rem; font-weight: 500; color: var(--text-secondary); }
.input, .select, .textarea {
  width: 100%;
  padding: 9px 13px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--text-primary);
  font-size: 0.9375rem;
  line-height: 1.5;
  outline: none;
}
.input::placeholder, .textarea::placeholder { color: var(--text-muted); }
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.page-subtitle {
  margin: var(--space-1) 0 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.search-bar { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-5); }
.search-input-wrap { position: relative; flex: 1; min-width: 220px; }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); width: 16px; height: 16px; }
.search-input { padding-left: 38px; }

.table-container { overflow-x: auto; border-radius: 10px; border: 1px solid var(--border-default); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
thead { background: var(--bg-surface-2); border-bottom: 1px solid var(--border-default); }
th {
  padding: 10px 16px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}
td { padding: 12px 16px; color: var(--text-primary); border-bottom: 1px solid var(--border-default); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg-surface-2); }
.table-actions { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 9999px; font-size: 0.75rem; font-weight: 500; }
.badge-neutral { background: var(--bg-surface-2); color: var(--text-secondary); }
.badge-success { background: var(--success-soft); color: var(--success); }

.users-section-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 var(--space-5);
  color: var(--text-primary);
}
.users-create-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: end;
}
.users-create-actions {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
}
.users-col-actions { min-width: 320px; }
.users-id { color: var(--text-muted); font-variant-numeric: tabular-nums; }
.users-name { font-weight: 500; }
.users-last-login {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  white-space: nowrap;
}
.user-row-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-2);
  min-width: 280px;
}
.user-action-form,
.user-reset-form {
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.user-reset-form {
  flex-wrap: nowrap;
}
.user-reset-form .input-sm {
  flex: 1;
  min-width: 0;
  max-width: 200px;
  padding: 7px 10px;
  font-size: 0.8125rem;
}
.input-sm {
  padding: 7px 10px;
  font-size: 0.8125rem;
}
@media (min-width: 900px) {
  .user-row-actions {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
  }
  .user-reset-form .input-sm {
    max-width: 180px;
  }
}
@media (max-width: 1023px) {
  .users-create-form {
    grid-template-columns: 1fr 1fr;
  }
  .users-create-actions {
    grid-column: 1 / -1;
  }
}
@media (max-width: 640px) {
  .users-create-form {
    grid-template-columns: 1fr;
  }
  .users-col-actions { min-width: 220px; }
  .user-reset-form {
    flex-direction: column;
    align-items: stretch;
  }
  .user-reset-form .input-sm {
    max-width: none;
    width: 100%;
  }
}

.stats-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding: var(--space-4) var(--space-6);
  background: linear-gradient(90deg, var(--accent-soft) 0%, #fff 55%);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}
.stats-banner__label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.stats-banner__value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.tabs-nav {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border-default);
  margin-bottom: var(--space-6);
}
.tabs-nav--grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--border-default);
  border-radius: 10px;
  background: var(--bg-surface-2);
}
.tabs-nav--grid .tab-btn {
  border-right: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
  margin-bottom: 0;
  background: var(--bg-surface);
}
.tabs-nav--grid .tab-btn:nth-child(6n) {
  border-right: none;
}
.tabs-nav--grid .tab-btn:nth-last-child(-n+6) {
  border-bottom: none;
}
.tab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  text-decoration: none;
  text-align: center;
  line-height: 1.3;
}
.tab-btn:hover { color: var(--text-primary); background: var(--bg-surface-2); }
.tabs-nav--grid .tab-btn:hover {
  background: var(--bg-surface-2);
}
.tab-btn.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
  background: var(--accent-soft);
}
.tabs-nav--grid .tab-btn.is-active {
  background: var(--accent-soft);
  box-shadow: inset 0 -2px 0 var(--accent);
  font-weight: 600;
}
@media (max-width: 1024px) {
  .tabs-nav--grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .tabs-nav--grid .tab-btn:nth-child(6n) { border-right: 1px solid var(--border-default); }
  .tabs-nav--grid .tab-btn:nth-child(4n) { border-right: none; }
  .tabs-nav--grid .tab-btn:nth-last-child(-n+6) { border-bottom: 1px solid var(--border-default); }
  .tabs-nav--grid .tab-btn:nth-last-child(-n+4) { border-bottom: none; }
}
@media (max-width: 640px) {
  .tabs-nav--grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tabs-nav--grid .tab-btn:nth-child(4n) { border-right: 1px solid var(--border-default); }
  .tabs-nav--grid .tab-btn:nth-child(2n) { border-right: none; }
  .tabs-nav--grid .tab-btn:nth-last-child(-n+4) { border-bottom: 1px solid var(--border-default); }
  .tabs-nav--grid .tab-btn:nth-last-child(-n+2) { border-bottom: none; }
  .stats-banner { flex-direction: column; align-items: flex-start; }
}

#toast-wrap {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 360px;
}
.toast {
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.04);
}
.toast-success { background: var(--success-soft); color: #065F46; border-left: 3px solid var(--success); }
.toast-info { background: #EFF6FF; color: #1E40AF; border-left: 3px solid var(--accent); }
.toast-warning { background: var(--warning-soft); color: #92400E; border-left: 3px solid var(--warning); }
.toast-error { background: var(--danger-soft); color: #991B1B; border-left: 3px solid var(--danger); }

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  z-index: 40;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.mobile-overlay.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
.mobile-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border-default);
  z-index: 50;
  transform: translateX(-100%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  padding: var(--space-5) var(--space-4);
  overflow-y: auto;
}
.mobile-sidebar.is-open { transform: translateX(0); }
body.menu-open { overflow: hidden; }

.icon-badge {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.icon-badge--blue { background: var(--accent-soft); color: var(--accent); }
.icon-badge--green { background: var(--success-soft); color: var(--success); }
.icon-badge--amber { background: var(--warning-soft); color: var(--warning); }

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #FAFBFC;
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(37, 99, 235, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(37, 99, 235, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 1px 1px, var(--bg-pattern-dot) 1px, transparent 0),
    linear-gradient(var(--bg-pattern-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-pattern-line) 1px, transparent 1px);
  background-size: auto, auto, 28px 28px, 56px 56px, 56px 56px;
  padding: var(--space-6);
}
.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 16px;
  padding: var(--space-10);
  box-shadow: 0 4px 32px rgba(0,0,0,0.08), 0 1px 0 rgba(255,255,255,0.8);
}
.login-brand { text-align: center; margin-bottom: var(--space-8); }
.login-brand h1 { margin: var(--space-2) 0; }
.login-brand p { margin: 0; color: var(--text-secondary); }
.login-form { display: flex; flex-direction: column; gap: var(--space-5); }

@media (max-width: 1023px) {
  .desktop-sidebar { display: none !important; }
  .app-content { margin-left: 0; }
  .app-header { left: 0; }
}
@media (max-width: 768px) {
  .content-main { padding: var(--space-5); padding-top: calc(60px + var(--space-5)); }
}