:root {
  --bg: #070b14;
  --bg-elevated: #0c1222;
  --card: #0f1729;
  --card-hover: #121c32;
  --line: #243152;
  --line-strong: #33467a;
  --text: #e8ecfa;
  --muted: #94a3c8;
  --muted2: #6b7aa3;
  --ok: #4ade80;
  --ok-bg: rgba(34, 197, 94, 0.14);
  --err: #fb7185;
  --err-bg: rgba(251, 113, 133, 0.12);
  --warn: #fbbf24;
  --warn-bg: rgba(251, 191, 36, 0.12);
  --accent: #5b8cff;
  --accent-dim: #3d6fd9;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.25);
  --font: "Inter", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  min-height: 100vh;
  background:
    radial-gradient(ellipse 120% 80% at 100% -10%, rgba(79, 124, 255, 0.22), transparent 55%),
    radial-gradient(ellipse 80% 60% at 0% 50%, rgba(34, 197, 94, 0.06), transparent 45%),
    var(--bg);
}

.hidden {
  display: none !important;
}

/* ---------- Login ---------- */
.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 16px;
  background: rgba(4, 8, 20, 0.78);
  backdrop-filter: blur(10px);
  z-index: 20;
}

.login-card {
  width: min(420px, 100%);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.05) 0%, transparent 42%), var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 26px 26px;
  box-shadow: var(--shadow);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}

.login-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent) 0%, #1e4a9e 100%);
  box-shadow: 0 6px 20px rgba(79, 124, 255, 0.35);
  flex-shrink: 0;
}

.login-card h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

.login-sub {
  margin: 2px 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.login-lead {
  margin: 0 0 18px;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.45;
}

.login-form .field {
  margin-bottom: 14px;
}

.login-status {
  min-height: 1.25em;
  margin-top: 12px;
  font-size: 0.875rem;
}

.login-status:not(:empty) {
  color: var(--err);
}

/* ---------- Layout ---------- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 22px 20px 48px;
}

@media (min-width: 900px) {
  .container {
    padding: 28px 24px 56px;
  }
}

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
  padding: 18px 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.topbar-main {
  flex: 1;
  min-width: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--accent) 0%, #2848a8 100%);
  box-shadow: 0 4px 16px rgba(79, 124, 255, 0.28);
  flex-shrink: 0;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0;
  line-height: 1.2;
}

.brand-sub {
  margin: 4px 0 0;
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.35;
}

.endpoint-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.endpoint-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  background: rgba(15, 23, 41, 0.85);
  border: 1px solid var(--line);
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.endpoint-chip strong {
  color: var(--text);
  font-weight: 600;
  font-size: 0.8125rem;
}

.endpoint-chip code {
  font-size: 0.75rem;
  color: #c8d7ff;
  background: transparent;
  padding: 0;
}

.endpoint-chip-wide code {
  max-width: min(260px, 48vw);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
  vertical-align: bottom;
}

/* ---------- Tabs ---------- */
.tab-bar {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: rgba(12, 18, 34, 0.9);
  border: 1px solid var(--line);
  margin-bottom: 20px;
  gap: 4px;
}

.tab {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.tab:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.tab-active {
  color: var(--text);
  background: rgba(91, 140, 255, 0.2);
  border-color: rgba(91, 140, 255, 0.45);
}

/* ---------- Cards ---------- */
.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035) 0%, rgba(255, 255, 255, 0.012) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

#usersTableSection {
  overflow: visible;
}

.card.card-vless {
  border-color: rgba(91, 140, 255, 0.22);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.card-head {
  padding: 16px 18px 12px;
  border-bottom: 1px solid rgba(36, 49, 82, 0.65);
}

.card-body {
  padding: 16px 18px 18px;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.25;
}

.card-title.tight {
  font-size: 1.05rem;
}

.card-desc {
  margin: 6px 0 0;
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.4;
}

.card-desc.tight {
  margin-top: 4px;
}

h1,
h2 {
  margin: 0;
}

/* ---------- Forms ---------- */
.field {
  display: block;
  margin-bottom: 14px;
}

.field-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 6px;
}

.field-hint {
  font-weight: 400;
  color: var(--muted2);
  font-size: 0.75rem;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="datetime-local"],
input:not([type]),
select,
textarea {
  width: 100%;
  margin-top: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text);
  font-family: inherit;
  font-size: 0.875rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: #4a6bc4;
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.2);
}

input::placeholder {
  color: var(--muted2);
}

.create-form {
  max-width: 460px;
}

.create-form-wide {
  max-width: 640px;
}

.row {
  display: flex;
  gap: 14px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.row-wrap label {
  flex: 1;
  min-width: 200px;
}

.proto-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.check-tile {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(12, 18, 34, 0.5);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
  margin: 0;
}

.check-tile:hover {
  border-color: var(--line-strong);
  background: rgba(18, 28, 52, 0.65);
}

.check-tile input {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
}

.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.875rem;
  color: var(--text);
  cursor: pointer;
}

.check-row input {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 4px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: #1a2a52;
  color: var(--text);
  border: 1px solid #2f4a8a;
  border-radius: var(--radius-sm);
  padding: 9px 16px;
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.15s ease, background 0.15s ease;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: #3d65ca;
  background: #1e3160;
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(180deg, #6b96ff 0%, var(--accent-dim) 100%);
  border-color: #4a6bc4;
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(180deg, #7aa3ff 0%, #4f7cff 100%);
  border-color: #6b8cff;
}

.btn-secondary {
  background: rgba(30, 45, 82, 0.9);
  border-color: #3a5588;
}

.btn-secondary:hover {
  background: #243a66;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--muted);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
}

.btn-block {
  width: 100%;
  margin-top: 4px;
}

.btn-danger {
  background: rgba(91, 26, 42, 0.85);
  border-color: #84354b;
}

.btn-danger:hover {
  background: #6b2135;
}

.btn-copy {
  background: rgba(26, 60, 87, 0.9);
  border-color: #2a6089;
}

.btn-compact {
  padding: 5px 8px;
  border-radius: 8px;
  font-size: 11px;
  line-height: 1.2;
  font-weight: 500;
}

/* ---------- Status ---------- */
.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.status-pill.ok {
  background: var(--ok-bg);
  color: #86efac;
  border: 1px solid rgba(34, 197, 94, 0.35);
}

.status-pill.bad {
  background: var(--err-bg);
  color: #fda4af;
  border: 1px solid rgba(251, 113, 133, 0.35);
}

.status-pill.warn {
  background: var(--warn-bg);
  color: #fcd34d;
  border: 1px solid rgba(251, 191, 36, 0.35);
}

.status-bar {
  margin-top: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  min-height: 1.35em;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.status-bar:not(:empty) {
  background: rgba(12, 22, 44, 0.65);
  border-color: var(--line);
}

.status-bar.status-ok {
  color: #86efac;
  border-color: rgba(34, 197, 94, 0.35);
  background: rgba(34, 197, 94, 0.08);
}

.status-bar.status-err {
  color: #fda4af;
  border-color: rgba(251, 113, 133, 0.35);
  background: rgba(251, 113, 133, 0.08);
}

.hint {
  color: var(--muted);
  margin: 6px 0 0;
  font-size: 0.8125rem;
  line-height: 1.5;
}

/* Callouts (VLESS hints) */
.callout {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.callout.is-empty {
  display: none;
}

.callout-neutral {
  background: rgba(15, 23, 41, 0.6);
  border-color: var(--line);
  color: var(--muted);
}

.callout-ok {
  background: var(--ok-bg);
  border-color: rgba(34, 197, 94, 0.35);
  color: #b6f0c8;
}

.callout-warn {
  background: var(--warn-bg);
  border-color: rgba(251, 191, 36, 0.35);
  color: #fde68a;
}

.callout-info {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.28);
  color: #bfdbfe;
}

/* VLESS help */
.help-details {
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(8, 12, 24, 0.4);
  overflow: hidden;
}

.help-details summary {
  padding: 10px 14px;
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted);
  list-style: none;
  user-select: none;
}

.help-details summary::-webkit-details-marker {
  display: none;
}

.help-details summary::after {
  content: "▸";
  float: right;
  opacity: 0.6;
  transition: transform 0.2s ease;
}

.help-details[open] summary::after {
  transform: rotate(90deg);
}

.help-details[open] summary {
  border-bottom: 1px solid rgba(36, 49, 82, 0.65);
}

.help-details-body {
  padding: 12px 14px 14px;
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.55;
}

.help-details-body p {
  margin: 0 0 10px;
}

.help-details-body p:last-child {
  margin-bottom: 0;
}

.help-details-body code {
  font-size: 0.78rem;
}

/* ---------- Actions & table ---------- */
.actions {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid rgba(36, 49, 82, 0.5);
  position: relative;
  z-index: 2;
}

.actions-analytics {
  align-items: center;
}

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

.input-small {
  min-width: 130px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 0.8125rem;
}

.menu-wrap {
  position: relative;
}

.menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 240px;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 6px;
  z-index: 50;
  box-shadow: var(--shadow);
}

.menu-item-btn,
.menu-item-label {
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  border-radius: 8px;
  padding: 9px 10px;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.8125rem;
  display: block;
}

.menu-item-btn:hover,
.menu-item-label:hover {
  background: #1a2a52;
  border-color: #2f4a8a;
}

.menu-item-label input {
  display: none;
}

.table-wrap {
  overflow: auto;
  margin: 0;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  position: relative;
  z-index: 1;
}

.users-search {
  min-width: 220px;
}

.empty-users {
  color: var(--muted);
  text-align: center;
  padding: 18px 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1120px;
}

th,
td {
  border-bottom: 1px solid rgba(36, 49, 82, 0.65);
  padding: 11px 10px;
  text-align: left;
  vertical-align: middle;
  font-size: 0.8125rem;
}

tbody tr {
  transition: background 0.12s ease;
}

tbody tr:hover {
  background: rgba(91, 140, 255, 0.05);
}

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

th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: #b8c9f5;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(12, 18, 34, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.cell-num {
  font-variant-numeric: tabular-nums;
  color: #dbe4ff;
}

.cell-yes {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--ok-bg);
  color: #86efac;
}

.cell-no {
  display: inline-block;
  color: var(--muted2);
  font-size: 0.8125rem;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

/* ---------- Chart ---------- */
.chart-stats {
  margin-top: 12px;
  padding: 0 18px 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.stat-chip {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(12, 18, 34, 0.9);
  color: #cfe0ff;
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.chart-wrap {
  position: relative;
  height: 360px;
  min-height: 360px;
  max-height: 360px;
  width: calc(100% - 36px);
  margin: 0 18px;
}

#trafficChart {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* ---------- Modal ---------- */
.modal {
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 8, 20, 0.78);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 25;
}

.modal.hidden {
  display: none !important;
}

.modal-card {
  width: min(560px, 100%);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.04) 0%, transparent 50%), var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 22px 20px;
  box-shadow: var(--shadow);
}

.modal-title {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.modal-lead {
  margin: 0 0 16px !important;
}
.modal-actions {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.kv {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(36, 49, 82, 0.65);
}

.kv span {
  color: var(--muted);
  font-size: 0.8125rem;
  flex-shrink: 0;
}

.kv code {
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--bg-elevated);
  color: #dbe8ff;
  word-break: break-all;
  font-size: 0.78rem;
  border: 1px solid var(--line);
}

.kv:last-of-type {
  border-bottom: none;
}

/* Legacy label block (fallback) */
label:not(.field):not(.check-row):not(.check-tile):not(.menu-item-label) {
  display: block;
  font-size: 0.8125rem;
  margin-bottom: 12px;
  color: var(--muted);
}