:root {
  --bg: #0b0e14;
  --bg-elevated: #121821;
  --bg-card: #181f2b;
  --bg-hover: #1f2838;
  --border: #293544;
  --border-light: #3a4a5e;
  --text: #eef2f8;
  --text-secondary: #b0bed8;
  --text-dim: #7a8aa8;
  --text-muted: #4a5a78;
  --accent: #7c6ff0;
  --accent-dim: #5d52c4;
  --accent-bright: #9b8ff5;
  --accent-glow: rgba(124, 111, 240, 0.15);
  --accent-glow-strong: rgba(124, 111, 240, 0.25);
  --danger: #e0645c;
  --danger-glow: rgba(224, 100, 92, 0.15);
  --warn: #e0b24c;
  --warn-glow: rgba(224, 178, 76, 0.15);
  --success: #5cb885;
  --success-glow: rgba(92, 184, 133, 0.15);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

svg {
  display: block;
  flex-shrink: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition-fast);
}
a:hover {
  color: var(--accent-bright);
  text-decoration: underline;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 10px;
  transition: var(--transition-fast);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-dim);
}

/* ===== TOPBAR ===== */
.topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 28px;
  height: 64px;
  background: linear-gradient(180deg, #141a26 0%, #0e121c 100%);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.topbar .brand {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.3px;
  color: var(--text);
  margin-right: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar .brand svg {
  color: var(--accent);
}

.topbar nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  flex-wrap: wrap;
}

.topbar nav > a,
.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-weight: 500;
  font-size: 13.5px;
  white-space: nowrap;
  transition: var(--transition-fast);
  cursor: pointer;
  background: transparent;
  border: none;
  font-family: inherit;
}

.topbar nav > a svg,
.dropdown-toggle svg {
  flex-shrink: 0;
  opacity: 0.7;
  transition: var(--transition-fast);
}

.topbar nav > a.active,
.topbar nav > a:hover,
.dropdown.open .dropdown-toggle,
.dropdown-toggle:hover {
  color: var(--text);
  background: var(--bg-card);
  text-decoration: none;
}

.topbar nav > a.active svg,
.topbar nav > a:hover svg,
.dropdown-toggle:hover svg {
  opacity: 1;
  color: var(--accent);
}

.topbar nav > a.active {
  color: var(--accent);
  font-weight: 600;
  background: var(--accent-glow);
}

.spacer {
  flex: 1;
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 210px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px;
  box-shadow: var(--shadow-lg);
  display: none;
  animation: dropdownFade 0.2s ease;
}

@keyframes dropdownFade {
  from {
    opacity: 0;
    transform: translateY(-8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.dropdown.open .dropdown-menu {
  display: block;
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 13.5px;
  transition: var(--transition-fast);
}

.dropdown-menu a:hover {
  background: var(--bg-card);
  color: var(--text);
  text-decoration: none;
}

.dropdown-menu a svg {
  opacity: 0.6;
}

.dropdown-menu .divider {
  height: 1px;
  background: var(--border);
  margin: 4px 8px;
}

/* Topbar actions */
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.topbar-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-family: inherit;
  text-decoration: none;
}

.topbar-btn.settings {
  background: var(--accent-glow);
  color: var(--accent);
}
.topbar-btn.settings:hover {
  background: var(--accent-glow-strong);
  transform: translateY(-1px);
  text-decoration: none;
}

.topbar-btn.logout {
  background: var(--danger-glow);
  color: var(--danger);
}
.topbar-btn.logout:hover {
  background: rgba(224, 100, 92, 0.25);
  transform: translateY(-1px);
  text-decoration: none;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 28px 80px;
}

/* ===== HEADER ===== */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-header h1 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin: 0;
  background: linear-gradient(135deg, var(--text), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header .subtitle {
  color: var(--text-secondary);
  margin: 2px 0 0;
  font-size: 15px;
  font-weight: 400;
}

.page-header .header-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-bottom: 20px;
  transition: var(--transition-smooth);
}

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

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.card-header h2,
.card-header h3 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.2px;
  margin: 0;
}

.card-header .card-actions {
  display: flex;
  gap: 8px;
}

/* ===== STATS ===== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-grid .card {
  margin-bottom: 0;
  padding: 18px 22px;
  position: relative;
  overflow: hidden;
}

.stat-grid .card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dim), transparent);
  opacity: 0.6;
}

.stat-value {
  font-size: 30px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  margin-top: 2px;
}

.stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  color: var(--accent);
  flex-shrink: 0;
}

.stat-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* ===== TABLE ===== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--bg-elevated);
}

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

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

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.badge.active {
  background: var(--accent-glow);
  color: var(--accent);
}
.badge.active::before {
  background: var(--accent);
}

.badge.inactive {
  background: var(--danger-glow);
  color: var(--danger);
}
.badge.inactive::before {
  background: var(--danger);
}

.badge.admin {
  background: var(--warn-glow);
  color: var(--warn);
}
.badge.admin::before {
  background: var(--warn);
}

.badge.user {
  background: rgba(137, 147, 165, 0.15);
  color: var(--text-dim);
}
.badge.user::before {
  background: var(--text-dim);
}

.badge.success {
  background: var(--success-glow);
  color: var(--success);
}
.badge.success::before {
  background: var(--success);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition-smooth);
  font-family: inherit;
  text-decoration: none;
  white-space: nowrap;
}

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

.btn:active {
  transform: scale(0.97);
}

.btn.danger {
  color: var(--danger);
  border-color: rgba(224, 100, 92, 0.3);
}
.btn.danger:hover {
  border-color: var(--danger);
  color: var(--danger);
  background: var(--danger-glow);
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(124, 111, 240, 0.25);
}
.btn.primary:hover {
  background: var(--accent-bright);
  border-color: var(--accent-bright);
  color: #fff;
  box-shadow: 0 6px 24px rgba(124, 111, 240, 0.35);
  transform: translateY(-2px);
}

.btn.sm {
  padding: 4px 12px;
  font-size: 12px;
}

.btn.icon {
  padding: 7px 10px;
}

/* ===== FORM ===== */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-grid .full {
  grid-column: 1 / -1;
}

.form-group {
  margin-bottom: 4px;
}

label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 5px;
  letter-spacing: 0.3px;
}

input,
select,
textarea {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  transition: var(--transition-fast);
  font-family: inherit;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 18px;
  flex-wrap: wrap;
}

/* ===== LOGIN ===== */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: 
    radial-gradient(ellipse at 20% 30%, rgba(124, 111, 240, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 70%, rgba(124, 111, 240, 0.04) 0%, transparent 50%),
    var(--bg);
}

.login-card {
  width: 380px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(124, 111, 240, 0.03);
  transition: var(--transition-smooth);
}

.login-card:hover {
  border-color: rgba(124, 111, 240, 0.2);
}

.login-card .logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.login-card .logo svg {
  color: var(--accent);
}

.login-card h1 {
  color: var(--text);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin: 0;
}

.login-card .login-subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  text-align: center;
  margin: 4px 0 24px;
}

.error-msg {
  color: var(--danger);
  font-size: 13px;
  padding: 8px 14px;
  background: var(--danger-glow);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(224, 100, 92, 0.2);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .topbar {
    padding: 0 16px;
    height: 56px;
    flex-wrap: wrap;
  }
  .topbar .brand {
    font-size: 15px;
    margin-right: 12px;
  }
  .topbar nav > a,
  .dropdown-toggle {
    padding: 6px 10px;
    font-size: 12.5px;
  }
  .topbar nav > a span {
    display: none;
  }
  .container {
    padding: 20px 16px;
  }
  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-grid .full {
    grid-column: 1;
  }
  .page-header {
    flex-direction: column;
  }
  .page-header h1 {
    font-size: 22px;
  }
  .login-card {
    width: 94vw;
    padding: 28px 20px;
  }
}

@media (max-width: 480px) {
  .stat-grid {
    grid-template-columns: 1fr;
  }
  .topbar nav > a svg {
    width: 18px;
    height: 18px;
  }
  .topbar .brand {
    font-size: 14px;
  }
  .topbar-actions .topbar-btn span {
    display: none;
  }
  .card {
    padding: 16px 18px;
  }
}