/* ===== X-RAY DESIGN SYSTEM ===== */
:root {
  --xr-bg:       #030810;
  --xr-card:     rgba(0, 229, 255, 0.04);
  --xr-border:   rgba(0, 229, 255, 0.18);
  --xr-accent:   #00e5ff;
  --xr-accent-d: rgba(0, 229, 255, 0.55);
  --xr-green:    #39ff8e;
  --xr-warn:     #ffcc00;
  --xr-danger:   #ff4444;
  --xr-hint:     rgba(200, 230, 255, 0.45);
  --xr-text:     #d0eeff;
  --font:        ui-monospace, 'SF Mono', Menlo, Monaco, Consolas, 'Roboto Mono', 'Courier New', monospace;
}

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

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

body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.035) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none; z-index: 0;
}

body::after {
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 3px,
    rgba(0,0,0,0.07) 3px, rgba(0,0,0,0.07) 4px
  );
  pointer-events: none; z-index: 0;
}

main { position: relative; z-index: 1; }

/* ===== HEADER ===== */
.xr-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px 12px;
  border-bottom: 1px solid var(--xr-border);
}
.xr-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 700;
  letter-spacing: .07em; text-transform: uppercase;
  color: var(--xr-accent);
}
.xr-header-actions { display: flex; gap: 8px; }
.xr-icon-btn {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--xr-border);
  border-radius: 5px; color: var(--xr-hint); cursor: pointer;
  transition: border-color .2s, color .2s, box-shadow .2s;
}
.xr-icon-btn:hover {
  border-color: var(--xr-accent); color: var(--xr-accent);
  box-shadow: 0 0 8px rgba(0,229,255,.25);
}

/* ===== CARD ===== */
.xr-card {
  background: var(--xr-card);
  border: 1px solid var(--xr-border);
  border-radius: 4px; position: relative;
}
.xr-card::before, .xr-card::after {
  content: ''; position: absolute;
  width: 12px; height: 12px;
  border-color: var(--xr-accent); border-style: solid; pointer-events: none;
}
.xr-card::before { top: -1px;    left: -1px;  border-width: 2px 0 0 2px; }
.xr-card::after  { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

/* ===== SPINNER ===== */
@keyframes spin { to { transform: rotate(360deg); } }
.xr-spinner {
  width: 38px; height: 38px;
  border: 2px solid rgba(0,229,255,.12);
  border-top-color: var(--xr-accent);
  border-radius: 50%; animation: spin .75s linear infinite;
}

/* ===== STATUS DOT ===== */
@keyframes xr-pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%     { opacity: .4; transform: scale(.7); }
}
.xr-dot {
  display: inline-block;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--xr-green);
  animation: xr-pulse 1.8s ease-in-out infinite;
}
.xr-dot.warn   { background: var(--xr-warn); }
.xr-dot.danger { background: var(--xr-danger); }

/* ===== LABELS & HINTS ===== */
.xr-label {
  font-size: 11px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--xr-accent);
}
.xr-hint { color: var(--xr-hint); font-size: 12px; }

/* ===== OS SELECT ===== */
.xr-select {
  background: rgba(0,229,255,.05); border: 1px solid var(--xr-border);
  border-radius: 4px; color: var(--xr-text); font-family: var(--font);
  font-size: 12px; padding: 5px 26px 5px 10px;
  cursor: pointer; outline: none; appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2300e5ff80'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 8px center;
}
.xr-select:focus { border-color: var(--xr-accent); }

/* ===== CLIENT TABS (large, two-line) ===== */
.xr-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
}
.xr-tab {
  min-height: 64px;
  padding: 12px 14px;
  background: transparent;
  border: 1px solid var(--xr-border); border-radius: 4px;
  color: var(--xr-hint);
  font-family: var(--font);
  cursor: pointer;
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: center;
  text-align: left;
  transition: border-color .2s, color .2s, background .2s, box-shadow .2s;
}
.xr-tab:hover { border-color: var(--xr-accent-d); color: var(--xr-text); }
.xr-tab.active {
  border-color: var(--xr-accent); color: var(--xr-accent);
  background: rgba(0,229,255,.07);
  box-shadow: inset 3px 0 0 var(--xr-accent);
}
.xr-tab-icon {
  width: 24px; height: 24px;
  color: var(--xr-accent-d);
  display: inline-flex; align-items: center; justify-content: center;
}
.xr-tab.active .xr-tab-icon { color: var(--xr-accent); }
.xr-tab-icon svg { width: 100%; height: 100%; }
.xr-tab-name { font-size: 14px; font-weight: 700; display: block; }
.xr-tab-tag  { font-size: 11px; color: var(--xr-hint); display: block; margin-top: 2px; }

/* ===== STEP CARDS ===== */
.xr-step {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 16px;
  background: var(--xr-card);
  border: 1px solid var(--xr-border); border-radius: 4px; position: relative;
}
.xr-step::before {
  content: ''; position: absolute; left: -1px; top: -1px;
  width: 12px; height: 12px;
  border-top: 2px solid var(--xr-accent);
  border-left: 2px solid var(--xr-accent); pointer-events: none;
}
.xr-step-num {
  font-size: 10px; font-weight: 700; letter-spacing: .1em;
  color: var(--xr-accent); opacity: .55;
  flex-shrink: 0; margin-top: 3px; width: 18px;
}
.xr-step-icon {
  width: 34px; height: 34px; flex-shrink: 0;
  border-radius: 50%;
  background: rgba(0,229,255,.09);
  border: 1px solid var(--xr-border);
  color: var(--xr-accent);
  display: flex; align-items: center; justify-content: center;
}
.xr-step-icon svg { width: 18px; height: 18px; }
.xr-step-body  { flex: 1; min-width: 0; }
.xr-step-title { font-weight: 700; font-size: 13px; margin-bottom: 4px; }
.xr-step-desc  { font-size: 12px; color: var(--xr-hint); line-height: 1.55; margin-bottom: 10px; }
.xr-step-desc:last-child { margin-bottom: 0; }

/* ===== STATE ICONS (inside cards) ===== */
.xr-state-icon {
  width: 36px; height: 36px;
  margin: 0 auto 10px;
  color: var(--xr-accent);
  display: flex; align-items: center; justify-content: center;
}
.xr-state-icon svg { width: 100%; height: 100%; }
.xr-state-icon.warn   { color: var(--xr-warn); }
.xr-state-icon.danger { color: var(--xr-danger); }

/* ===== BUTTONS ===== */
.xr-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--xr-accent); border-radius: 4px;
  color: var(--xr-accent);
  font-family: var(--font);
  font-size: 12px; font-weight: 700;
  letter-spacing: .07em; text-transform: uppercase;
  cursor: pointer;
  transition: all .2s; white-space: nowrap;
  text-decoration: none;
}
.xr-btn:hover {
  background: rgba(0,229,255,.1);
  box-shadow: 0 0 14px rgba(0,229,255,.28);
}
.xr-btn:active  { background: rgba(0,229,255,.16); transform: scale(.97); }
.xr-btn.full    { width: 100%; justify-content: center; }
.xr-btn.success { border-color: var(--xr-green); color: var(--xr-green); }
.xr-btn.cta {
  border-color: var(--xr-green); color: var(--xr-green);
  box-shadow: 0 0 18px rgba(57,255,142,.2);
}
.xr-btn.cta:hover {
  background: rgba(57,255,142,.1);
  box-shadow: 0 0 24px rgba(57,255,142,.35);
}

/* ===== SUB CARD ===== */
.xr-sub-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.xr-sub-field .lbl {
  font-size: 10px; color: var(--xr-hint);
  letter-spacing: .1em; text-transform: uppercase; margin-bottom: 3px;
}
.xr-sub-field .val { font-size: 13px; font-weight: 700; }
.xr-chip {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--xr-border); border-radius: 2px;
  font-size: 11px; color: var(--xr-hint);
  background: rgba(0,229,255,.03);
}

/* ===== PAGE LAYOUT ===== */
.xr-main    { max-width: 460px; margin: 0 auto; padding-bottom: 36px; }
.xr-content { padding: 0 14px; }
.xr-content > * + * { margin-top: 14px; }

.xr-section { padding: 16px; }
.xr-section.center { padding: 28px 20px; text-align: center; }
.xr-section.loader { padding: 40px 20px; display: flex; flex-direction: column; align-items: center; gap: 14px; }

.xr-row-between {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.xr-servers { display: flex; flex-wrap: wrap; gap: 5px; }

.xr-footer {
  text-align: center; padding: 16px 14px;
  font-size: 11px; color: var(--xr-hint);
}

/* ===== UTILS ===== */
.hidden { display: none !important; }