* {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

:root {
  --bg: #0a0a0a;
  --bg-alt: #111;
  --surface: #1a1a1a;
  --surface-2: #222;
  --surface-3: #2a2a2a;
  --border: #333;
  --border-subtle: #272727;
  --text: #f0f0f0;
  --text-main: #e5e5e5;
  --text-muted: #888;
  --text-subtle: #aaa;
  --primary: #3b82f6;
  --primary-hover: #4f8cf7;
  --primary-dim: rgba(59, 130, 246, 0.12);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --transition: 150ms ease;
  --sidebar-w: 240px;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  height: 100%;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text-main);
  font-size: 14px;
  line-height: 1.5;
}

::selection { background: var(--primary-dim); color: var(--primary); }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #444; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #555; }

.hidden { display: none !important; }
.muted { color: var(--text-muted); }

a { color: var(--primary); cursor: pointer; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-hover); }

h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
h2 { font-size: 22px; }
h3 { font-size: 16px; color: var(--text); }

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 16px;
}
label.row {
  flex-direction: row;
  align-items: center;
  gap: 10px;
}
label.row input[type="checkbox"] { margin: 0; }

input, select, textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 13px;
  width: 100%;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  accent-color: var(--primary);
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-dim);
}
input::placeholder, textarea::placeholder { color: #555; }
input[readonly] { background: var(--surface); cursor: default; }

select { cursor: pointer; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  transition: all var(--transition);
  user-select: none;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-3); border-color: #555; }
.btn:active { transform: scale(0.97); }

.btn.primary {
  background: var(--primary);
  border-color: transparent;
  color: #fff;
}
.btn.primary:hover { background: var(--primary-hover); }
.btn.primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn.danger { color: var(--danger); border-color: rgba(239, 68, 68, 0.3); }
.btn.danger:hover { background: rgba(239, 68, 68, 0.12); border-color: rgba(239, 68, 68, 0.5); }

.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: var(--surface-2); }

.btn.small { padding: 5px 10px; font-size: 12px; border-radius: var(--radius-sm); }
.btn.block { width: 100%; }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 12px 20px;
  border-radius: var(--radius-lg);
  max-width: 400px;
  box-shadow: var(--shadow-md);
  font-size: 13px;
  font-weight: 500;
  animation: slideUp 0.25s ease-out;
}
.toast.ok { border-color: rgba(34, 197, 94, 0.4); }
.toast.err { border-color: rgba(239, 68, 68, 0.4); }

.error { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 10px; }

/* Auth Page */
.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: 400px;
  max-width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.auth-brand {
  text-align: center;
  margin-bottom: 28px;
}
.auth-brand .logo { font-size: 36px; margin-bottom: 6px; }
.auth-title { font-size: 20px; font-weight: 600; color: var(--text); }
.auth-sub { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.auth-tabs {
  display: flex;
  gap: 2px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 3px;
  margin-bottom: 24px;
}
.auth-tab {
  flex: 1;
  background: transparent;
  border: 0;
  color: var(--text-muted);
  padding: 9px;
  border-radius: calc(var(--radius-md) - 3px);
  cursor: pointer;
  font-weight: 500;
  font-family: inherit;
  font-size: 13px;
  transition: all var(--transition);
}
.auth-tab:hover { color: var(--text); }
.auth-tab.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }

.divider {
  text-align: center;
  color: #555;
  font-size: 12px;
  margin: 20px 0;
  position: relative;
}
.divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border);
}
.divider span { background: var(--surface); padding: 0 14px; position: relative; }

.devcode {
  background: var(--primary-dim);
  border: 1px dashed rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-bottom: 16px;
  font-size: 12px;
  font-family: "SF Mono", Consolas, monospace;
}

/* Sidebar Layout */
#app-view {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 30;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px;
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.sidebar-logo { font-size: 20px; }

.sidebar-nav {
  flex: 1;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.nav-item i { width: 18px; text-align: center; font-size: 15px; }
.nav-item:hover { color: var(--text); background: var(--surface-2); }
.nav-item.active { color: var(--primary); background: var(--primary-dim); }

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}
.sidebar-avatar {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}
.sidebar-user-info {
  min-width: 0;
}
.sidebar-username { font-size: 12px; font-weight: 500; color: var(--text); }
.sidebar-role { font-size: 11px; color: var(--text-muted); }

.logout-btn {
  flex-shrink: 0;
  color: var(--text-muted);
  border-color: transparent;
}
.logout-btn:hover { color: var(--danger); background: rgba(239, 68, 68, 0.1); border-color: transparent; }

/* Main content area */
.app-main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px 0;
}
.app-header h2 { font-size: 22px; font-weight: 600; color: var(--text); }

.main {
  flex: 1;
  padding: 20px 32px 80px;
  max-width: 1200px;
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

/* Stats Row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
}
.stat .ic { font-size: 18px; margin-bottom: 8px; color: var(--text-muted); }
.stat .num { font-size: 28px; font-weight: 600; color: var(--text); line-height: 1.2; }
.stat .lbl { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* Card */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.card + .card { margin-top: 16px; }

.card h3 {
  margin-bottom: 16px;
  font-size: 15px;
  color: var(--text);
}

.section-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

/* Grid helpers */
.grid { display: grid; gap: 12px; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

.row { display: flex; gap: 10px; align-items: center; }
.spread { justify-content: space-between; }
.wrap { flex-wrap: wrap; }
.mt { margin-top: 20px; }
.gap { gap: 10px; }

/* Tables */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--surface-2);
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(255, 255, 255, 0.02); }

.mono { font-family: "SF Mono", "Cascadia Code", Consolas, monospace; font-size: 12px; }

/* Badge */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid transparent;
}
.badge.active, .badge.live { color: var(--success); border-color: rgba(34, 197, 94, 0.3); background: rgba(34, 197, 94, 0.08); }
.badge.banned, .badge.paused { color: var(--danger); border-color: rgba(239, 68, 68, 0.3); background: rgba(239, 68, 68, 0.08); }
.badge.expired { color: var(--warning); border-color: rgba(245, 158, 11, 0.3); background: rgba(245, 158, 11, 0.08); }
.badge.unused { color: #888; border-color: rgba(136, 136, 136, 0.3); background: rgba(136, 136, 136, 0.08); }
.badge.role { color: var(--primary); border-color: rgba(59, 130, 246, 0.3); background: var(--primary-dim); }

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.tab {
  padding: 10px 18px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 13px;
  margin-bottom: -1px;
  transition: all var(--transition);
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: grid;
  place-items: center;
  z-index: 50;
  animation: fadeIn 0.15s ease-out;
}
.modal {
  width: 480px;
  max-width: 92vw;
  max-height: 85vh;
  overflow-y: auto;
}
.modal .actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}
.modal h3 { margin-bottom: 16px; }

.field { margin-bottom: 16px; }

.code-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
  font-family: "SF Mono", "Cascadia Code", Consolas, monospace;
  white-space: pre-wrap;
  word-break: break-all;
  font-size: 12px;
  line-height: 1.5;
  max-height: 300px;
  overflow: auto;
}

/* Checkbox */
input[type="checkbox"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border: 1.5px solid #555;
  border-radius: 4px;
  background: var(--surface-2);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  padding: 0;
  transition: all var(--transition);
}
input[type="checkbox"]:hover { border-color: var(--primary); }
input[type="checkbox"]:checked { background: var(--primary); border-color: var(--primary); }
input[type="checkbox"]:checked::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}

/* Progress bar */
.progress {
  height: 4px;
  background: var(--surface-3);
  border-radius: 4px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #60a5fa);
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* Divider */
hr { border: 0; border-top: 1px solid var(--border); margin: 20px 0; }

/* Info rows */
.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 13px;
}
.info-row:last-child { border-bottom: 0; }
.info-row .label { color: var(--text-muted); }
.info-row .value { color: var(--text); font-weight: 500; }

/* Key preview */
.key-preview {
  font-family: "SF Mono", Consolas, monospace;
  font-size: 12px;
  color: var(--text-muted);
}

/* Copy button inline */
.copy-btn {
  background: none;
  border: 0;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  font-size: 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.copy-btn:hover { color: var(--primary); background: var(--primary-dim); }

/* SDK integration */
.sdk-lang-select {
  min-width: 180px;
}

/* Animations */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(100%); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.stat { animation: fadeUp 0.3s ease-out; }
.stat:nth-child(2) { animation-delay: 0.05s; }
.stat:nth-child(3) { animation-delay: 0.1s; }
.stat:nth-child(4) { animation-delay: 0.15s; }

/* Responsive */
@media (max-width: 900px) {
  .sidebar { width: 56px; }
  .sidebar-brand span:last-child,
  .sidebar-name,
  .sidebar-user-info,
  .nav-item span { display: none; }
  .sidebar-nav .nav-item { justify-content: center; padding: 10px; }
  .sidebar-nav .nav-item i { margin: 0; }
  .app-main { margin-left: 56px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .cols-4, .cols-3 { grid-template-columns: 1fr 1fr; }
  .main { padding: 16px; }
  .app-header { padding: 16px 16px 0; }
}
@media (max-width: 540px) {
  .sidebar { width: 0; overflow: hidden; border: 0; }
  .app-main { margin-left: 0; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .cols-2 { grid-template-columns: 1fr; }
}

/* Professional operations UI refresh */
:root {
  --bg: #0d0f10;
  --bg-alt: #111416;
  --surface: #16191b;
  --surface-2: #1e2225;
  --surface-3: #272d31;
  --border: #2d3338;
  --border-subtle: #23282c;
  --text: #f4f6f7;
  --text-main: #dce2e6;
  --text-muted: #8d99a3;
  --text-subtle: #b5c0c8;
  --primary: #4f8cff;
  --primary-hover: #73a3ff;
  --primary-dim: rgba(79, 140, 255, 0.13);
  --success: #4cc38a;
  --warning: #d89b38;
  --danger: #e45f5f;
  --radius-sm: 5px;
  --radius-md: 7px;
  --radius-lg: 8px;
  --radius-xl: 8px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 12px 28px rgba(0, 0, 0, 0.28);
}

body {
  background: var(--bg);
}

h1, h2, h3, h4 {
  letter-spacing: 0;
}

h2 {
  font-size: 24px;
  font-weight: 650;
}

.auth-wrap {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.035), transparent 42%),
    var(--bg);
}

.auth-card {
  width: 430px;
  padding: 34px;
  border-color: #323a40;
  box-shadow: var(--shadow-md);
}

.auth-brand .logo,
.sidebar-logo {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: #eff6ff;
  color: #142033;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 auto 10px;
}

.sidebar-logo {
  width: 32px;
  height: 32px;
  margin: 0;
  font-size: 12px;
}

.auth-title {
  font-size: 22px;
  letter-spacing: 0;
}

.auth-sub {
  color: var(--text-muted);
}

.auth-tabs {
  padding: 4px;
  gap: 4px;
  background: #111517;
}

.auth-tab {
  min-height: 38px;
}

.auth-tab.active {
  background: var(--surface-3);
  color: var(--text);
}

input, select, textarea {
  min-height: 38px;
  background: #111416;
  border-color: #30373d;
}

textarea {
  min-height: 96px;
  resize: vertical;
}

.btn {
  min-height: 36px;
  border-color: #323a40;
  background: #20252a;
}

.btn.primary {
  background: var(--primary);
}

.btn.danger {
  background: rgba(228, 95, 95, 0.08);
}

.sidebar {
  background: #121517;
  border-right-color: #252b30;
}

.sidebar-brand {
  min-height: 70px;
  padding: 18px;
}

.sidebar-name {
  font-size: 15px;
  letter-spacing: 0;
}

.sidebar-nav {
  padding: 12px 10px;
}

.nav-item {
  min-height: 40px;
  border-radius: 7px;
  color: #a6b0b8;
}

.nav-item.active {
  color: var(--text);
  background: #202833;
  box-shadow: inset 3px 0 0 var(--primary);
}

.sidebar-footer {
  min-height: 70px;
}

.sidebar-avatar {
  background: #26313d;
  border: 1px solid #344252;
}

.app-main {
  background: var(--bg);
}

.app-header {
  padding: 24px 36px 0;
}

.main {
  width: 100%;
  max-width: 1440px;
  padding: 26px 36px 88px;
}

.page-head {
  min-height: 44px;
  margin-bottom: 22px;
}

.grid {
  gap: 14px;
}

.card {
  border-radius: 8px;
  border-color: #2c3338;
  background: var(--surface);
  box-shadow: 0 1px 0 rgba(255,255,255,0.025);
}

.stat {
  min-height: 126px;
  display: grid;
  grid-template-columns: 42px 1fr;
  grid-template-areas:
    "icon num"
    "icon label";
  align-items: center;
  column-gap: 14px;
  padding: 18px;
}

.stat .ic {
  grid-area: icon;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--primary-dim);
  color: var(--primary);
  font-size: 16px;
  margin: 0;
}

.stat.good .ic {
  background: rgba(76, 195, 138, 0.12);
  color: var(--success);
}

.stat.warn .ic {
  background: rgba(216, 155, 56, 0.14);
  color: var(--warning);
}

.stat.bad .ic {
  background: rgba(228, 95, 95, 0.13);
  color: var(--danger);
}

.stat .num {
  grid-area: num;
  font-size: 30px;
  line-height: 1;
}

.stat .lbl {
  grid-area: label;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 11px;
}

.table-wrap {
  border-color: var(--border-subtle);
  background: #111416;
}

table {
  min-width: 760px;
}

th {
  background: #1a1f22;
  color: #98a4ad;
  letter-spacing: 0.04em;
}

td {
  color: var(--text-main);
}

tbody tr:hover {
  background: rgba(79, 140, 255, 0.045);
}

.badge {
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 10px;
}

.tabs {
  gap: 6px;
  border-bottom: 0;
  background: #111416;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 5px;
}

.tab {
  border: 0;
  margin: 0;
  border-radius: 6px;
}

.tab.active {
  background: var(--surface-3);
  color: var(--text);
}

.modal-backdrop {
  background: rgba(2, 4, 6, 0.78);
}

.modal {
  border-color: #394047;
}

.code-box {
  background: #0f1214;
  border-color: #2e363c;
}

.empty-state {
  padding: 28px;
  border: 1px dashed #343c43;
  border-radius: 8px;
  background: #121618;
  text-align: center;
}

.empty-title {
  color: var(--text);
  font-weight: 650;
}

.empty-detail {
  color: var(--text-muted);
  margin-top: 6px;
}

@media (max-width: 900px) {
  .main {
    padding: 18px 18px 72px;
  }

  .cols-2,
  .cols-3,
  .cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stat {
    min-height: 112px;
  }
}

@media (max-width: 540px) {
  .sidebar {
    width: 56px;
    overflow: visible;
    border-right: 1px solid var(--border);
  }

  .app-main {
    margin-left: 56px;
  }

  .cols-2,
  .cols-3,
  .cols-4 {
    grid-template-columns: 1fr;
  }

  .auth-card {
    padding: 24px;
  }

  .page-head,
  .row.spread {
    align-items: flex-start;
    flex-direction: column;
  }

  .row.gap.wrap {
    width: 100%;
  }

  .row.gap.wrap > * {
    width: 100%;
  }
}