/* ═══════════════════════════════════════════════════════════════════════════
   Recovery VPN Manager — UI Stylesheet
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  --bg:        #0d1117;
  --bg-card:   #161b22;
  --bg-hover:  #1c2230;
  --border:    #30363d;
  --border-dim:#21262d;
  --text:      #e6edf3;
  --text-muted:#8b949e;
  --text-dim:  #6e7681;
  --accent:    #2f81f7;
  --accent-hover: #388bfd;
  --green:     #3fb950;
  --green-dim: #1a3a1e;
  --yellow:    #d29922;
  --yellow-dim:#2d2208;
  --red:       #f85149;
  --red-dim:   #3a1212;
  --orange:    #e3942a;
  --purple:    #a371f7;
  --purple-dim:#2d1f4a;
  --radius:    6px;
  --radius-lg: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Code", monospace;
}

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

body {
  font-family: var(--font);
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

/* ── Topbar ────────────────────────────────────────────────────────────────── */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 52px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 12px;
}

.topbar-left  { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.topbar-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.topbar-logo  { color: var(--accent); display: flex; align-items: center; }
.topbar-title { font-weight: 600; font-size: 15px; }
.topbar-sep   { color: var(--border); font-size: 18px; }
.topbar-server { color: var(--text-muted); font-size: 12.5px; }
.topbar-server code { font-family: var(--font-mono); color: var(--text); font-size: 12px; }

/* ── Nav ───────────────────────────────────────────────────────────────────── */

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: var(--bg-hover); color: var(--text); }
.nav-link.active { background: var(--bg-hover); color: var(--text); }

/* ── User info ─────────────────────────────────────────────────────────────── */

.user-info { display: flex; align-items: center; gap: 8px; }
.user-name { font-size: 13px; font-weight: 500; color: var(--text-muted); }

.role-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.role-admin    { background: var(--purple-dim); color: var(--purple); border: 1px solid #4a2a8a; }
.role-operator { background: #1a2a3a;           color: var(--accent);  border: 1px solid #2a4a6a; }

.refresh-indicator {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.3s;
}
.refresh-indicator.active { background: var(--green); }

/* ── Main layout ───────────────────────────────────────────────────────────── */

main { padding: 24px; }

.table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* ── Page content ──────────────────────────────────────────────────────────── */

.page-content { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }

.page-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.page-title  { font-size: 20px; font-weight: 600; }
.page-desc   { color: var(--text-muted); font-size: 13px; line-height: 1.6; margin-top: 4px; }
.page-desc code { font-family: var(--font-mono); font-size: 12px; }

.search-bar { flex-shrink: 0; }
.search-input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
  padding: 6px 12px;
  width: 240px;
  outline: none;
}
.search-input:focus { border-color: var(--accent); }

/* ── Card ──────────────────────────────────────────────────────────────────── */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.card-info { border-color: var(--border-dim); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-dim);
}
.card-header-simple { padding: 14px 20px 10px; }
.card-header-simple h3 { font-size: 14px; font-weight: 600; }

.card-body { padding: 16px 20px; }
.card-note { padding: 10px 20px 14px; font-size: 12px; color: var(--text-dim); }

/* ── VPN info ──────────────────────────────────────────────────────────────── */

.vpn-info { padding: 4px 0; }
.vpn-row  {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border-dim);
}
.vpn-row:last-child { border-bottom: none; }
.vpn-label { font-size: 12px; color: var(--text-muted); min-width: 200px; font-weight: 500; }
.vpn-val   { font-family: var(--font-mono); font-size: 12.5px; word-break: break-all; }
.vpn-key   { font-size: 11px; color: var(--text-muted); }

/* ── WireGuard config block ─────────────────────────────────────────────────── */

.wg-config-block {
  margin: 0 20px 4px;
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  overflow: hidden;
}
.wg-config-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg);
  border-bottom: 1px solid var(--border-dim);
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.wg-config {
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: #cdd9e5;
  background: #0d1117;
  user-select: all;
  white-space: pre;
}

/* ── How-to ────────────────────────────────────────────────────────────────── */

.howto { margin-bottom: 16px; }
.howto p { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.howto code { font-family: var(--font-mono); font-size: 12px; }
.inline-code {
  display: block;
  background: var(--bg);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: #cdd9e5;
  margin: 6px 0;
}

.modal-footer-inline { display: flex; justify-content: flex-end; margin-top: 16px; }

.input-mono { font-family: var(--font-mono) !important; font-size: 13px !important; }

/* ── Error page ─────────────────────────────────────────────────────────────── */

.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  gap: 12px;
  text-align: center;
}
.error-code  { font-size: 72px; font-weight: 800; color: var(--border); }
.error-title { font-size: 22px; font-weight: 600; }
.error-desc  { color: var(--text-muted); }
.error-user  { font-size: 13px; color: var(--text-dim); }

/* ── Table ─────────────────────────────────────────────────────────────────── */

#tbl-tunnels, #tbl-users { width: 100%; border-collapse: collapse; }

#tbl-tunnels thead, #tbl-users thead { background: var(--bg); }

#tbl-tunnels th, #tbl-users th {
  padding: 11px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

#tbl-tunnels td, #tbl-users td {
  padding: 13px 16px;
  vertical-align: middle;
  border-bottom: 1px solid var(--border-dim);
}

#tbl-tunnels tbody tr:last-child td,
#tbl-users  tbody tr:last-child td { border-bottom: none; }

#tbl-tunnels tbody tr:hover td,
#tbl-users  tbody tr:hover td { background: var(--bg-hover); }

.row-disabled td { opacity: 0.5; }
.col-actions { text-align: right; }

.empty-row {
  text-align: center;
  color: var(--text-dim);
  padding: 48px 16px !important;
  font-style: italic;
}

/* ── Cell content ──────────────────────────────────────────────────────────── */

.cell-name  { font-weight: 600; }
.cell-notes { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.text-muted { color: var(--text-dim); }

.badge-model {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
  background: #1c2230;
  color: var(--accent);
  border: 1px solid #2a3a55;
}

.badge-method {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  margin-left: 4px;
}
.badge-shell { background: #1e2a1e; color: var(--green); border: 1px solid #2a5030; }
.badge-uci   { background: #2a2208; color: var(--yellow); border: 1px solid #5a4010; }

.cell-ip { font-family: var(--font-mono); font-size: 13px; }

/* ── Expiry ────────────────────────────────────────────────────────────────── */

.expiry-ok   { color: var(--green);  font-weight: 600; }
.expiry-warn { color: var(--yellow); font-weight: 600; }
.expiry-soon { color: var(--red);    font-weight: 600; }

/* ── Status badge ──────────────────────────────────────────────────────────── */

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.status-badge .dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }

.status-connected { background: var(--green-dim);  color: var(--green);   border: 1px solid #2a5e30; }
.status-pending   { background: var(--yellow-dim); color: var(--yellow);  border: 1px solid #5a4010; }
.status-lost      { background: var(--red-dim);    color: var(--red);     border: 1px solid #6a2020; }
.status-never     { background: #1a1f2a;           color: var(--text-dim);border: 1px solid var(--border-dim); }

.status-connected .dot { background: var(--green);  box-shadow: 0 0 4px var(--green); }
.status-pending .dot   { background: var(--yellow); }
.status-lost .dot      { background: var(--red); }
.status-never .dot     { background: var(--text-dim); }

.handshake-age { font-size: 11px; color: var(--text-dim); margin-top: 3px; }

/* ── Latency ────────────────────────────────────────────────────────────────── */

.latency-good { color: var(--green);  font-weight: 600; font-family: var(--font-mono); }
.latency-warn { color: var(--yellow); font-weight: 600; font-family: var(--font-mono); }
.latency-bad  { color: var(--red);    font-weight: 600; font-family: var(--font-mono); }
.latency-none { color: var(--text-dim); font-size: 12px; }

.traffic      { font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); }
.traffic-none { color: var(--text-dim); font-size: 12px; }

/* ── Action buttons row ─────────────────────────────────────────────────────── */

.actions { display: flex; justify-content: flex-end; gap: 6px; }

/* ── Buttons ─────────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  white-space: nowrap;
  text-decoration: none;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-ghost { background: transparent; color: var(--text-muted); border-color: var(--border); }
.btn-ghost:hover:not(:disabled) { background: var(--bg-hover); color: var(--text); }

.btn-icon {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border-dim);
  padding: 5px 10px;
  font-size: 12px;
}
.btn-icon:hover:not(:disabled) { background: var(--bg-hover); color: var(--text); border-color: var(--border); }

.btn-sms { background: #1a2a1e; color: var(--green); border-color: #2a4e30; }
.btn-sms:hover:not(:disabled) { background: #203428; }

.btn-danger { background: var(--red-dim); color: var(--red); border-color: #6a2020; }
.btn-danger:hover:not(:disabled) { background: #4a1818; }

/* ── Modals ──────────────────────────────────────────────────────────────────── */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(2px);
}
.modal-backdrop[hidden] { display: none; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 16px 48px rgba(0,0,0,0.6);
  animation: modal-in 0.18s ease;
}
.modal-sms { max-width: 700px; }
.modal-sm  { max-width: 420px; }

@keyframes modal-in {
  from { transform: scale(0.96) translateY(8px); opacity: 0; }
  to   { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border-dim);
}
.modal-header h2 { font-size: 16px; font-weight: 600; }
.modal-subtitle  { font-size: 12px; color: var(--text-muted); margin-top: 3px; }

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  line-height: 1;
  flex-shrink: 0;
}
.btn-close:hover { color: var(--text); background: var(--bg-hover); }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--border-dim);
}

/* ── Form ────────────────────────────────────────────────────────────────────── */

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 20px;
}

.field { display: flex; flex-direction: column; gap: 5px; }
.field-full { grid-column: 1 / -1; }

.field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.field input, .field select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 13.5px;
  padding: 7px 10px;
  outline: none;
  transition: border-color 0.15s;
}
.field input:focus, .field select:focus { border-color: var(--accent); }
.field input::placeholder { color: var(--text-dim); }
.field-hint { font-size: 11px; color: var(--text-dim); margin-top: 1px; }

/* ── SMS method bar ──────────────────────────────────────────────────────────── */

.sms-method-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--border-dim);
}

.sms-method-btn {
  padding: 5px 14px;
  border-radius: var(--radius);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border-dim);
  background: transparent;
  color: var(--text-muted);
  transition: all 0.15s;
}
.sms-method-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.sms-method-btn:hover:not(.active) { background: var(--bg-hover); color: var(--text); }

.sms-method-hint {
  font-size: 11.5px;
  color: var(--text-dim);
  margin-left: 6px;
}

/* ── SMS sections ────────────────────────────────────────────────────────────── */

.sms-section { padding: 16px 20px; border-bottom: 1px solid var(--border-dim); }
.sms-section:last-of-type { border-bottom: none; }

.sms-section-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.sms-section-danger .sms-section-label { color: var(--red); }
.sms-label-warn { color: var(--yellow) !important; }

.sms-block {
  background: var(--bg);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
}
.sms-block:last-child { margin-bottom: 0; }

.sms-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: #0d1117;
  border-bottom: 1px solid var(--border-dim);
}

.sms-label { font-size: 12px; font-weight: 600; }
.sms-meta  { display: flex; align-items: center; gap: 8px; }

.sms-counter { font-size: 11px; font-family: var(--font-mono); color: var(--text-dim); }
.sms-counter.over { color: var(--yellow); }

.sms-segments {
  font-size: 11px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 4px;
  background: #2a3a55;
  color: var(--accent);
}
.sms-segments.many { background: #3a2808; color: var(--yellow); }

.sms-text {
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: #cdd9e5;
  word-break: break-all;
  white-space: pre-wrap;
  user-select: all;
}

.sms-note {
  padding: 6px 12px;
  font-size: 11px;
  color: var(--text-dim);
  background: var(--bg-card);
  border-top: 1px solid var(--border-dim);
}

.btn-copy {
  font-size: 11px;
  padding: 3px 8px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}
.btn-copy:hover  { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-copy.copied { background: var(--green-dim); color: var(--green); border-color: #2a5e30; }

/* ── Delete modal ────────────────────────────────────────────────────────────── */

.del-msg  { padding: 16px 20px 4px; color: var(--text-muted); line-height: 1.6; font-size: 13px; }
.del-name { padding: 0 20px 16px; font-weight: 600; }

/* ── Scrollbar ───────────────────────────────────────────────────────────────── */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ── Badge local ─────────────────────────────────────────────────────────────── */

.badge-local { background: #1a1f2a; color: var(--text-dim); border: 1px solid var(--border-dim); }

/* ── Login page ──────────────────────────────────────────────────────────────── */

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}

.login-wrapper {
  width: 100%;
  max-width: 440px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.login-logo { color: var(--accent); }
.login-title { font-size: 22px; font-weight: 700; }
.login-subtitle { font-size: 13px; color: var(--text-muted); margin-top: -6px; }

.login-error {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  background: var(--red-dim);
  border: 1px solid #6a2020;
  border-radius: var(--radius);
  color: var(--red);
  font-size: 13px;
}

.login-box {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 4px;
}

.login-box-split {
  display: flex;
}
.login-box-split .login-section { flex: 1; }
.login-box-split .login-section:first-child { border-right: 1px solid var(--border-dim); }

.login-section { padding: 24px; }

.login-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
}

.login-field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.login-field input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13.5px;
  padding: 8px 10px;
  outline: none;
  transition: border-color 0.15s;
}
.login-field input:focus { border-color: var(--accent); }
.login-field input::placeholder { color: var(--text-dim); }

.btn-full { width: 100%; justify-content: center; margin-top: 4px; }

.btn-keycloak {
  background: #1e2a3a;
  color: var(--accent);
  border-color: #2a4a6a;
}
.btn-keycloak:hover { background: #243348; }

.login-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  color: var(--text-dim);
  font-size: 12px;
  padding: 0;
  background: var(--bg-card);
  flex-shrink: 0;
}

.login-hint {
  font-size: 11px;
  color: var(--text-dim);
  text-align: center;
  margin-top: 8px;
}

@media (max-width: 540px) {
  .login-box-split { flex-direction: column; }
  .login-box-split .login-section:first-child { border-right: none; border-bottom: 1px solid var(--border-dim); }
  .login-divider { width: 100%; height: 32px; writing-mode: horizontal-tb; }
}

/* ── Responsive ─────────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .topbar-server { display: none; }
  main { padding: 12px; }
}
@media (max-width: 700px) {
  .topbar-nav { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  #tbl-tunnels th:nth-child(2),
  #tbl-tunnels td:nth-child(2) { display: none; }
}