/* ───────────────────────────────────────────────────────────────────
 * xneovpn-ui.css — unified design system for site + Telegram WebApp.
 * Loaded by every page in /opt/remnawave/caddy/site/xneovpn/.
 *
 * Pages MAY add their own <style> after this file for page-specific
 * pieces (heroes, plan cards, etc.), but tokens, buttons, inputs,
 * cards, tables, alerts and toasts MUST come from here so the look
 * stays consistent.
 * ─────────────────────────────────────────────────────────────────── */

:root {
  /* Core palette */
  --xn-bg:        #030705;
  --xn-bg2:       #07110d;
  --xn-panel:     rgba(9, 18, 15, .92);
  --xn-panel-2:   rgba(13, 25, 21, .82);
  --xn-card:      #0e1520;
  --xn-line:      rgba(0, 255, 137, .18);
  --xn-line-2:    rgba(176, 255, 216, .12);
  --xn-text:      #effff7;
  --xn-text-dim:  #85a698;
  --xn-text-mute: #526d61;
  --xn-green:     #00ff88;
  --xn-green-2:   #26d972;
  --xn-green-dim: #00cc6a;
  --xn-red:       #ff4568;
  --xn-amber:     #ffc04d;

  /* Geometry */
  --xn-radius:    16px;
  --xn-radius-lg: 24px;
  --xn-radius-sm: 10px;

  /* Effects */
  --xn-shadow:    0 22px 80px rgba(0, 255, 136, .08), 0 24px 90px rgba(0, 0, 0, .42);
  --xn-shadow-sm: 0 8px 24px rgba(0, 0, 0, .4);
  --xn-glow:      0 0 28px rgba(0, 255, 136, .3);

  /* Type */
  --xn-font:      "Segoe UI", "Manrope", system-ui, -apple-system, sans-serif;
  --xn-font-mono: "JetBrains Mono", "Courier New", ui-monospace, monospace;

  /* Legacy aliases — pages that already use --bg / --green / etc keep working */
  --bg: var(--xn-bg);
  --bg2: var(--xn-bg2);
  --bg3: var(--xn-card);
  --card: var(--xn-card);
  --card-border: var(--xn-line);
  --text: var(--xn-text);
  --text-dim: var(--xn-text-dim);
  --green: var(--xn-green);
  --green-dim: var(--xn-green-dim);
  --green-glow: rgba(0,255,136,.35);
  --line: var(--xn-line);
  --line2: var(--xn-line-2);
  --panel: var(--xn-panel);
  --panel2: var(--xn-panel-2);
  --muted: var(--xn-text-dim);
  --muted2: var(--xn-text-mute);
  --red: var(--xn-red);
  --amber: var(--xn-amber);
  --shadow: var(--xn-shadow);
  --radius: var(--xn-radius);
  --font: var(--xn-font);
}

/* ── Base reset ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--xn-bg); }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--xn-text);
  font-family: var(--xn-font);
  background:
    radial-gradient(circle at 14% 22%, rgba(0, 255, 136, .14), transparent 28%),
    radial-gradient(circle at 86% 8%,  rgba(50, 255, 160, .08), transparent 22%),
    linear-gradient(180deg, #020604, #06100c 48%, #020604);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* Subtle grid overlay — same as WebApp */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0,255,136,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,136,.025) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 76%);
          mask-image: linear-gradient(to bottom, black, transparent 76%);
  z-index: 0;
}

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; outline: none; user-select: none; }
button:focus-visible {
  outline: 1px solid rgba(0, 255, 136, .45);
  outline-offset: 2px;
}
a { color: var(--xn-green); }
a:hover { color: var(--xn-green-2); }

/* ── Layout helpers ─────────────────────────────────────────────────── */
.xn-wrap {
  width: min(100vw, calc(100% - 32px));
  max-width: 1480px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ── Top bar (used by webapp + admin) ───────────────────────────────── */
.xn-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 66px;
  border-bottom: 1px solid var(--xn-line-2);
  background: rgba(2, 6, 4, .82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.xn-top-inner {
  height: 100%;
  width: min(100vw, calc(100% - 32px));
  max-width: 1480px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
}
.xn-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  font-weight: 900;
  letter-spacing: -.04em;
  color: #fff;
  text-decoration: none;
}
.xn-brand:hover { color: var(--xn-green); }
.xn-brand .logo {
  width: 36px;
  height: 36px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: #00180c;
  font-weight: 900;
  background:
    radial-gradient(circle at 30% 20%, #fff, transparent 18%),
    linear-gradient(135deg, var(--xn-green), #52ffb0);
  box-shadow: var(--xn-glow);
}
.xn-nav {
  display: flex;
  gap: 8px;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.xn-nav::-webkit-scrollbar { display: none; }
.xn-nav a, .xn-nav button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 13px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--xn-text-dim);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s, background .18s, border-color .18s;
}
.xn-nav a:hover, .xn-nav button:hover {
  color: var(--xn-text);
  background: rgba(0, 255, 136, .06);
}
.xn-nav a.active, .xn-nav button.active {
  color: var(--xn-green);
  border-color: var(--xn-line);
  background: rgba(0, 255, 136, .08);
}

/* ── Cards & panels ─────────────────────────────────────────────────── */
.xn-card {
  background: var(--xn-panel);
  border: 1px solid var(--xn-line);
  border-radius: var(--xn-radius);
  box-shadow: var(--xn-shadow-sm);
}
.xn-card.pad { padding: 22px 24px; }
.xn-card.pad-sm { padding: 14px 16px; }
.xn-card.pad-lg { padding: 32px 36px; }
.xn-card h2, .xn-card h3 { margin: 0 0 12px; }
.xn-mini {
  background: var(--xn-panel-2);
  border: 1px solid var(--xn-line-2);
  border-radius: var(--xn-radius-sm);
  padding: 14px 16px;
}
.xn-mini .label {
  display: block;
  color: var(--xn-text-dim);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 6px;
}
.xn-mini .value {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
  overflow-wrap: anywhere;
  word-break: break-word;
  line-height: 1.2;
  display: block;
  max-width: 100%;
}
/* Long-string cells (emails, hashes, IPs in tables) wrap instead of overflowing */
.xn-table td { overflow-wrap: anywhere; word-break: break-word; }

/* ── Grids ──────────────────────────────────────────────────────────── */
.xn-grid       { display: grid; gap: 14px; }
.xn-grid.two   { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.xn-grid.three { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.xn-grid.four  { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }

/* ── Buttons ────────────────────────────────────────────────────────── */
.xn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--xn-radius-sm);
  border: 1px solid var(--xn-green);
  background: var(--xn-green);
  color: #000;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .01em;
  cursor: pointer;
  transition: transform .15s, box-shadow .2s, opacity .2s, background .2s;
  text-decoration: none;
}
.xn-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 0 36px rgba(0, 255, 136, .35);
}
.xn-btn:active:not(:disabled) { transform: translateY(0); }
.xn-btn:disabled, .xn-btn.disabled { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }
.xn-btn.ghost {
  background: transparent;
  color: var(--xn-green);
  border-color: rgba(0, 255, 136, .4);
}
.xn-btn.ghost:hover:not(:disabled) {
  background: rgba(0, 255, 136, .08);
  box-shadow: none;
  color: var(--xn-green);
}
.xn-btn.danger {
  background: transparent;
  color: var(--xn-red);
  border-color: rgba(255, 69, 104, .45);
}
.xn-btn.danger:hover:not(:disabled) {
  background: rgba(255, 69, 104, .08);
  box-shadow: 0 0 24px rgba(255, 69, 104, .25);
}
.xn-btn.slim { padding: 8px 14px; font-size: 13px; border-radius: 8px; }
.xn-btn.block { display: flex; width: 100%; }

/* ── Form fields ────────────────────────────────────────────────────── */
.xn-field { display: block; margin-bottom: 16px; }
.xn-field-label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--xn-text-dim);
}
.xn-input, .xn-select, .xn-textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(5, 12, 9, .8);
  border: 1px solid var(--xn-line-2);
  border-radius: var(--xn-radius-sm);
  color: var(--xn-text);
  font: inherit;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
}
.xn-input:focus, .xn-select:focus, .xn-textarea:focus {
  border-color: var(--xn-green);
  box-shadow: 0 0 0 3px rgba(0, 255, 136, .12);
}
.xn-input::placeholder, .xn-textarea::placeholder { color: var(--xn-text-mute); }
.xn-textarea { resize: vertical; min-height: 96px; font-family: inherit; }

/* ── Tabs / segmented control ───────────────────────────────────────── */
.xn-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  background: var(--xn-panel-2);
  border: 1px solid var(--xn-line-2);
  border-radius: 14px;
  margin-bottom: 16px;
}
.xn-tabs button {
  flex: 0 0 auto;
  padding: 8px 14px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--xn-text-dim);
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
  transition: color .15s, background .15s, border-color .15s;
}
.xn-tabs button:hover { color: var(--xn-text); }
.xn-tabs button.active {
  background: rgba(0, 255, 136, .12);
  color: var(--xn-green);
  border-color: var(--xn-line);
}

/* ── Tables ─────────────────────────────────────────────────────────── */
.xn-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--xn-line-2);
  border-radius: var(--xn-radius-sm);
  background: rgba(5, 12, 9, .55);
}
.xn-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 540px;
}
.xn-table th, .xn-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--xn-line-2);
  text-align: left;
  vertical-align: top;
}
.xn-table tr:last-child td { border-bottom: none; }
.xn-table th {
  color: var(--xn-text-dim);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  background: rgba(0, 255, 136, .04);
}
.xn-table td { font-size: 14px; color: var(--xn-text); }
.xn-table td.muted { color: var(--xn-text-dim); }

@media (max-width: 720px) {
  .xn-table-wrap { border: none; background: transparent; }
  .xn-table, .xn-table thead, .xn-table tbody, .xn-table tr, .xn-table th, .xn-table td { display: block; }
  .xn-table thead { display: none; }
  .xn-table tr {
    margin-bottom: 10px;
    background: var(--xn-panel-2);
    border: 1px solid var(--xn-line-2);
    border-radius: var(--xn-radius-sm);
  }
  .xn-table td {
    padding: 8px 14px;
    border: none;
    overflow-wrap: anywhere;
  }
  .xn-table td:first-child { padding-top: 14px; }
  .xn-table td:last-child  { padding-bottom: 14px; }
  .xn-table td::before {
    content: attr(data-th);
    display: block;
    color: var(--xn-text-dim);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 4px;
  }
}

/* ── Status pills ───────────────────────────────────────────────────── */
.xn-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid transparent;
  white-space: nowrap;
}
.xn-pill.ok      { color: #fff;          background: rgba(0, 255, 136, .18); border-color: var(--xn-line); }
.xn-pill.warn    { color: var(--xn-amber); background: rgba(255, 192, 77, .12); border-color: rgba(255, 192, 77, .35); }
.xn-pill.bad     { color: #fff;            background: rgba(255, 69, 104, .18); border-color: rgba(255, 69, 104, .4); }
.xn-pill.neutral { color: var(--xn-text-dim); background: rgba(255, 255, 255, .06); border-color: var(--xn-line-2); }

/* ── Alerts ─────────────────────────────────────────────────────────── */
.xn-alert {
  padding: 12px 16px;
  border-radius: var(--xn-radius-sm);
  border: 1px solid;
  font-size: 14px;
  margin-bottom: 14px;
}
.xn-alert.error   { color: #ffb6c2; background: rgba(255, 69, 104, .08);  border-color: rgba(255, 69, 104, .35); }
.xn-alert.success { color: #a7ffd2; background: rgba(0, 255, 136, .08);   border-color: rgba(0, 255, 136, .35); }
.xn-alert.info    { color: #cfe7ff; background: rgba(98, 156, 255, .08);  border-color: rgba(98, 156, 255, .3); }

/* ── Toast (bottom-center, transient) ───────────────────────────────── */
.xn-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(120%);
  padding: 12px 22px;
  background: var(--xn-panel);
  border: 1px solid var(--xn-line);
  border-radius: var(--xn-radius-sm);
  color: var(--xn-text);
  font-weight: 600;
  font-size: 14px;
  box-shadow: var(--xn-shadow-sm);
  z-index: 9999;
  transition: transform .25s ease;
  max-width: calc(100% - 32px);
  text-align: center;
}
.xn-toast.show { transform: translateX(-50%) translateY(0); }

/* ── Modal ──────────────────────────────────────────────────────────── */
.xn-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 4, .78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}
.xn-modal-backdrop.show { display: flex; }
.xn-modal {
  width: 100%;
  max-width: 640px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  background: var(--xn-bg2);
  border: 1px solid var(--xn-line);
  border-radius: var(--xn-radius);
  padding: 28px;
  box-shadow: var(--xn-shadow);
  position: relative;
}
.xn-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid var(--xn-line-2);
  border-radius: 50%;
  color: var(--xn-text-dim);
  font-size: 16px;
}
.xn-modal-close:hover { color: var(--xn-text); border-color: var(--xn-line); }

/* ── Spinner ────────────────────────────────────────────────────────── */
.xn-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(0, 255, 136, .15);
  border-top-color: var(--xn-green);
  border-radius: 50%;
  animation: xnSpin .8s linear infinite;
  margin: 0 auto;
}
@keyframes xnSpin { to { transform: rotate(360deg); } }

/* ── Utilities ──────────────────────────────────────────────────────── */
.xn-muted   { color: var(--xn-text-dim); }
.xn-mono    { font-family: var(--xn-font-mono); font-size: 13px; }
.xn-mb-0    { margin-bottom: 0 !important; }
.xn-mb-1    { margin-bottom: 8px; }
.xn-mb-2    { margin-bottom: 16px; }
.xn-mb-3    { margin-bottom: 24px; }
.xn-row     { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.xn-stack   { display: flex; flex-direction: column; gap: 12px; }
.xn-spacer  { flex: 1; }
.xn-hidden  { display: none !important; }
.xn-empty {
  padding: 32px 24px;
  text-align: center;
  color: var(--xn-text-dim);
  font-size: 14px;
}