@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600&family=Inter:wght@300;400;500;600&display=swap');

.hidden { display: none !important; }

:root {
  --bg:       #0a0b0f;
  --bg2:      #0f1117;
  --bg3:      #151820;
  --border:   #1e2330;
  --border2:  #252d3d;
  --text:     #c8cdd8;
  --text2:    #6b7280;
  --text3:    #9ca3af;
  --accent:   #6366f1;
  --accent2:  #818cf8;
  --green:    #10b981;
  --red:      #ef4444;
  --orange:   #f59e0b;
  --mono:     'JetBrains Mono', monospace;
  --sans:     'Inter', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 13px;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Login ── */
.login-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at 50% 40%, #0d0f1a 0%, #0a0b0f 70%);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: #e2e8f0;
}
.login-logo svg { color: var(--accent); }

.login-sub {
  color: var(--text2);
  font-size: 12px;
  margin-bottom: 32px;
  letter-spacing: 0.5px;
}

.login-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
  width: 360px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-box input {
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: 6px;
  padding: 10px 14px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  outline: none;
  width: 100%;
  transition: border-color .2s;
}
.login-box input:focus { border-color: var(--accent); }

.login-err {
  color: var(--red);
  font-size: 11px;
  text-align: center;
  display: none;
}

/* ── Layout ── */
.topbar {
  height: 44px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
}

/* Hamburger button (hidden on desktop) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: background .2s;
}
.hamburger:hover { background: var(--bg3); }
.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
/* Animate to X when sidebar open */
body.sidebar-open .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.sidebar-open .hamburger span:nth-child(2) { opacity: 0; }
body.sidebar-open .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Sidebar backdrop for mobile (hidden by default) */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 90;
  opacity: 0;
  transition: opacity .3s;
}
body.sidebar-open .sidebar-backdrop {
  display: block;
  opacity: 1;
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 13px;
  color: #e2e8f0;
  letter-spacing: -0.3px;
}

.badge {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 4px;
  padding: 2px 7px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text2);
}
.badge.online  { border-color: var(--green);  color: var(--green); }
.badge.offline { border-color: var(--red);    color: var(--red); }

.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.main {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - 44px);
}

.sidebar {
  background: var(--bg2);
  border-right: 1px solid var(--border);
  padding: 16px 0;
}

.sidebar-section {
  padding: 0 16px;
  margin-bottom: 20px;
}

.sidebar-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 8px;
  padding: 0 4px;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.stat-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}

.stat-val {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 600;
  color: #e2e8f0;
  line-height: 1;
}
.stat-val.green { color: var(--green); }
.stat-val.red   { color: var(--red); }

.stat-lbl {
  font-size: 10px;
  color: var(--text2);
  margin-top: 4px;
  letter-spacing: 0.5px;
}

.server-info {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ── Content ── */
.content {
  padding: 20px 24px;
  overflow-y: auto;
}

.page { display: none; }
.page.active { display: block; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.page-title {
  font-size: 16px;
  font-weight: 600;
  color: #e2e8f0;
  letter-spacing: -0.3px;
}

.page-sub {
  font-size: 12px;
  color: var(--text2);
  margin-top: 2px;
}

/* ── Card ── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.card-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 500;
  color: #e2e8f0;
}
.card-body { padding: 16px; }

/* ── Table ── */
.table-wrap {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.table-toolbar {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

.search-input {
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: 6px;
  padding: 6px 12px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 12px;
  outline: none;
  width: 200px;
  transition: border-color .2s;
}
.search-input:focus { border-color: var(--accent); }
.search-input::placeholder { color: var(--text2); }

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text2);
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,.02); }

.peer-name     { font-weight: 500; color: #e2e8f0; font-size: 13px; }
.peer-ip       { font-family: var(--mono); font-size: 11px; color: var(--accent2); }
.peer-endpoint { font-family: var(--mono); font-size: 11px; color: var(--text2); }
.peer-traffic  { font-family: var(--mono); font-size: 11px; color: var(--text3); }
.peer-hs       { font-size: 11px; color: var(--text2); }
.small         { font-size: 11px; color: var(--text2); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all .15s;
  white-space: nowrap;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #5254f0; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text3);
}
.btn-ghost:hover { border-color: var(--text3); color: var(--text); }

.btn-danger {
  background: transparent;
  border: 1px solid var(--red);
  color: var(--red);
}
.btn-danger:hover { background: rgba(239,68,68,.15); }

.btn-icon {
  padding: 5px 8px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text3);
  border-radius: 5px;
}
.btn-icon.qr  { background: rgba(99,102,241,.15);  border-color: rgba(99,102,241,.4);  color: var(--accent2); }
.btn-icon.qr:hover  { background: rgba(99,102,241,.25);  border-color: var(--accent); color: #fff; }
.btn-icon.dl  { background: rgba(16,185,129,.12);  border-color: rgba(16,185,129,.35); color: var(--green); }
.btn-icon.dl:hover  { background: rgba(16,185,129,.22);  border-color: var(--green);  color: #fff; }
.btn-icon.del { background: rgba(239,68,68,.08);   border-color: rgba(239,68,68,.25);  color: #f87171; }
.btn-icon.del:hover { background: rgba(239,68,68,.2);    border-color: var(--red);     color: #fff; }
.btn-icon.kill { background: rgba(245,158,11,.1);  border-color: rgba(245,158,11,.3);  color: var(--orange); }
.btn-icon.kill:hover { background: rgba(245,158,11,.22); border-color: var(--orange); color: #fff; }

.btn-sm { padding: 4px 10px; font-size: 11px; }

/* ── Status ── */
.status-online {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--green);
}
.status-online::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 6px var(--green); flex-shrink: 0;
}
.status-offline {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--text2);
}
.status-offline::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--text2); flex-shrink: 0;
}
.status-never {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--text2); opacity: .5;
}
.status-never::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--border2); flex-shrink: 0;
}

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  z-index: 200; opacity: 0; pointer-events: none; transition: opacity .2s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 12px;
  padding: 24px;
  width: 520px;
  max-width: 95vw;
  transform: translateY(8px);
  transition: transform .2s;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-overlay.open .modal { transform: translateY(0); }

.modal-title { font-size: 15px; font-weight: 600; color: #e2e8f0; margin-bottom: 4px; }
.modal-sub   { font-size: 12px; color: var(--text2); margin-bottom: 20px; }

.form-group  { margin-bottom: 14px; }
.form-label  {
  display: block; font-size: 11px; font-weight: 500;
  color: var(--text3); margin-bottom: 6px; letter-spacing: 0.3px;
}
.form-input  {
  width: 100%; background: var(--bg); border: 1px solid var(--border2);
  border-radius: 6px; padding: 8px 12px; color: var(--text);
  font-family: var(--sans); font-size: 13px; outline: none; transition: border-color .2s;
}
.form-input:focus { border-color: var(--accent); }

/* Tame default number-input spinners so they match the dark theme */
input[type="number"].form-input,
input[type="number"].input {
  color-scheme: dark;  /* Firefox: repaints spinner arrows in dark colors */
  -moz-appearance: textfield;
}
input[type="number"].form-input::-webkit-outer-spin-button,
input[type="number"].form-input::-webkit-inner-spin-button,
input[type="number"].input::-webkit-outer-spin-button,
input[type="number"].input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.form-hint { font-size: 11px; color: var(--text2); margin-top: 4px; }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

.modal-footer {
  display: flex; justify-content: flex-end; gap: 10px;
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border);
}

/* ── Conf preview ── */
.qr-wrap { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 8px 0; }

.conf-preview {
  width: 100%; background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 12px; font-family: var(--mono); font-size: 11px;
  color: var(--text3); white-space: pre; overflow-x: auto;
  max-height: 300px; overflow-y: auto; line-height: 1.6;
}

/* ── Toast ── */
.toast-container {
  position: fixed; bottom: 20px; right: 20px;
  display: flex; flex-direction: column; gap: 8px; z-index: 300;
}

.toast {
  background: var(--bg2); border: 1px solid var(--border2);
  border-radius: 8px; padding: 10px 16px; font-size: 12px;
  display: flex; align-items: center; gap: 8px;
  animation: slideIn .2s ease; max-width: 320px;
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--red); }
.toast.info    { border-left: 3px solid var(--accent); }

@keyframes slideIn { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ── Sidebar nav ── */
.nav-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%;
  padding: 8px 20px; font-size: 13px; color: var(--text2);
  cursor: pointer; transition: all .15s; border-left: 2px solid transparent;
  /* reset button defaults */
  background: transparent; border-top: 0; border-right: 0; border-bottom: 0;
  text-align: left; font-family: inherit;
}
.nav-item:hover { color: var(--text); background: rgba(255,255,255,.03); }
.nav-item:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.nav-item.active { color: var(--accent2); border-left-color: var(--accent); background: rgba(99,102,241,.08); }
.nav-icon { width: 16px; text-align: center; font-size: 14px; }

/* status text+color (for colorblind a11y) */
.status-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 2px 8px; border-radius: 10px;
  font-size: 11px; font-weight: 500;
  background: var(--bg3); border: 1px solid var(--border);
}
.status-pill::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--text2);
}
.status-pill.ok    { color: var(--green);  border-color: rgba(16,185,129,.3); }
.status-pill.ok::before    { background: var(--green); }
.status-pill.fail  { color: var(--red);    border-color: rgba(239,68,68,.3); }
.status-pill.fail::before  { background: var(--red); }
.status-pill.warn  { color: var(--orange); border-color: rgba(245,158,11,.3); }
.status-pill.warn::before  { background: var(--orange); }

/* ── Refresh dot ── */
.refresh-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }

/* ── Empty state ── */
.empty-state { padding: 40px; text-align: center; color: var(--text2); }
.empty-icon  { font-size: 32px; margin-bottom: 12px; }
.empty-text  { font-size: 13px; }
.empty-sub   { font-size: 11px; color: var(--text2); margin-top: 4px; opacity: .6; }

/* ── Confirm modal ── */
.confirm-modal .modal { width: 380px; }
.confirm-name {
  font-family: var(--mono); color: var(--accent2);
  background: rgba(99,102,241,.1); padding: 2px 6px; border-radius: 4px;
}

/* ── Badges ── */
.badge-active {
  background: rgba(16,185,129,.1); color: var(--green);
  border: 1px solid rgba(16,185,129,.2);
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 10px; font-weight: 500;
}
.badge-revoked {
  background: rgba(107,114,128,.1); color: var(--text2);
  border: 1px solid var(--border2);
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 10px; font-weight: 500;
}
.badge-online,
.badge-ok      { background: rgba(16,185,129,.1); color: var(--green); border: 1px solid rgba(16,185,129,.2); }
.badge-offline,
.badge-off     { background: rgba(239,68,68,.1);  color: var(--red);   border: 1px solid rgba(239,68,68,.2); }

/* ── Server status ── */
.server-status {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 500;
}
.server-status.online { background: rgba(16,185,129,.1); color: var(--green); border: 1px solid rgba(16,185,129,.2); }
.server-status.offline,
.server-status.timeout,
.server-status.auth_error,
.server-status.tls_error { background: rgba(239,68,68,.1); color: var(--red); border: 1px solid rgba(239,68,68,.2); }
.server-status.degraded  { background: rgba(245,158,11,.1); color: var(--orange); border: 1px solid rgba(245,158,11,.2); }

/* ── Loading ── */
.loading { display: flex; align-items: center; justify-content: center; padding: 40px; color: var(--text2); gap: 8px; }
.spinner { width: 16px; height: 16px; border: 2px solid var(--border2); border-top-color: var(--accent); border-radius: 50%; animation: spin .6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Divider ── */
.divider { height: 1px; background: var(--border); margin: 16px 0; }

/* ── Cert expiry colors ── */
.cert-ok      { color: var(--green); font-family: var(--mono); font-size: 11px; }
.cert-warning { color: var(--orange); font-family: var(--mono); font-size: 11px; font-weight: 500; }
.cert-danger  { color: var(--red); font-family: var(--mono); font-size: 11px; font-weight: 600; }

/* ── Action dropdown ── */
.action-dropdown { position: relative; display: inline-block; }
.action-dropdown-content {
  display: none; position: absolute; right: 0;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 6px; min-width: 160px; z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
}
.action-dropdown:hover .action-dropdown-content { display: block; }
.action-dropdown-item {
  padding: 8px 12px; cursor: pointer; font-size: 12px;
  color: var(--text); transition: background .15s;
}
.action-dropdown-item:hover { background: var(--bg3); }
.action-dropdown-item:first-child { border-radius: 6px 6px 0 0; }
.action-dropdown-item:last-child  { border-radius: 0 0 6px 6px; }

/* ── Server checkbox list ── */
.server-checkbox-list {
  background: var(--bg); border: 1px solid var(--border2);
  border-radius: 6px; padding: 12px; max-height: 200px; overflow-y: auto;
}
.server-checkbox-item {
  display: flex; align-items: center; padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.server-checkbox-item:last-child { border-bottom: none; }
.server-checkbox-item label { display: flex; align-items: center; gap: 8px; cursor: pointer; flex: 1; }
.server-checkbox-item input[type="checkbox"] { accent-color: var(--accent); cursor: pointer; }

/* ── Select styling ── */
select.form-input, select.input {
  cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px;
}
select.input {
  background-color: var(--bg2); border: 1px solid var(--border2);
  border-radius: 6px; padding: 6px 32px 6px 12px; color: var(--text);
  font-family: var(--sans); font-size: 13px; outline: none;
  -webkit-appearance: none; background-position: right 10px center;
}
select.input:focus { border-color: var(--accent); }
select.input option { background: var(--bg2); color: var(--text); }

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .main { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    top: 44px; left: 0; bottom: 0;
    width: 260px;
    z-index: 95;
    transform: translateX(-100%);
    transition: transform .3s ease;
    border-right: 1px solid var(--border);
    border-bottom: none;
    overflow-y: auto;
  }
  body.sidebar-open .sidebar { transform: translateX(0); }
  .hamburger { display: flex; }
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
  .content { padding: 14px; }
  .topbar { flex-wrap: wrap; gap: 8px; padding: 6px 10px; }
  #serverFilter { width: 100% !important; }
  .table-wrap { overflow-x: auto; }
  table { min-width: 640px; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 10px; }
  /* Lock body scroll when drawer open */
  body.sidebar-open { overflow: hidden; }
}

@media (max-width: 520px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .modal { max-width: calc(100vw - 24px); }
  .form-row { grid-template-columns: 1fr !important; }
}

/* ── Pagination ── */
.pager {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text2);
}
.pager .pager-ctrls { display: flex; gap: 6px; }
.pager button {
  background: var(--bg3); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 10px; cursor: pointer; font-family: inherit;
}
.pager button:hover:not(:disabled) { border-color: var(--border2); color: #fff; }
.pager button:disabled { opacity: .4; cursor: not-allowed; }