/* =====================================================
   HTTP HEADER INSPECTOR — Terminal / Network Diagnostic
   ===================================================== */

:root {
  --bg:          #0a0e0a;
  --bg-panel:    #0d120d;
  --bg-row-alt:  #0f150f;
  --border:      #1a2e1a;
  --border-bright: #2a4a2a;
  --green:       #00ff41;
  --green-dim:   #00c032;
  --green-muted: #1a6b1a;
  --amber:       #ffb300;
  --cyan:        #00e5ff;
  --red:         #ff3131;
  --text:        #c8ffc8;
  --text-muted:  #5a8a5a;
  --font:        'Courier New', Courier, monospace;
  --radius:      2px;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Scanlines overlay */
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
}

/* ── Top bar ─────────────────────────────────────────── */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-bright);
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-bar-left { display: flex; align-items: center; gap: 10px; }

.title {
  font-size: 14px;
  font-weight: bold;
  color: var(--green);
  letter-spacing: 3px;
  text-shadow: 0 0 8px var(--green);
}

.version { color: var(--text-muted); font-size: 11px; }

#clock {
  color: var(--amber);
  font-size: 13px;
  letter-spacing: 2px;
  text-shadow: 0 0 6px var(--amber);
}

/* ── Blink animation ─────────────────────────────────── */
.blink {
  color: var(--green);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ── Container ───────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Panels ──────────────────────────────────────────── */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  color: var(--green-dim);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.panel-title .icon { color: var(--green); font-size: 8px; }

.panel-controls {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Badge ───────────────────────────────────────────── */
.badge {
  background: var(--green-muted);
  color: var(--green);
  border-radius: 2px;
  padding: 1px 7px;
  font-size: 11px;
  margin-left: 4px;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  background: transparent;
  border: 1px solid var(--border-bright);
  color: var(--green-dim);
  font-family: var(--font);
  font-size: 11px;
  padding: 3px 10px;
  cursor: pointer;
  letter-spacing: 1px;
  border-radius: var(--radius);
  transition: all 0.15s;
}
.btn:hover { border-color: var(--green); color: var(--green); box-shadow: 0 0 6px rgba(0,255,65,0.3); }
.btn:active { background: var(--green-muted); }
.btn-sm { font-size: 10px; padding: 2px 8px; }

/* ── Toggle label ─────────────────────────────────────── */
.toggle-label {
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: 1px;
}
.toggle-label input[type=checkbox] { accent-color: var(--green); }
.toggle-label:has(input:checked) { color: var(--green-dim); }

/* ── Meta grid ───────────────────────────────────────── */
.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
  background: var(--border);
}

.meta-item {
  display: flex;
  flex-direction: column;
  padding: 10px 14px;
  background: var(--bg-panel);
}

.meta-label {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 3px;
}

.meta-value {
  font-size: 13px;
  color: var(--cyan);
  text-shadow: 0 0 5px rgba(0,229,255,0.3);
  word-break: break-all;
}

/* ── Search bar ──────────────────────────────────────── */
.search-bar {
  display: flex;
  align-items: center;
  padding: 6px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.search-icon {
  color: var(--green);
  margin-right: 8px;
  font-size: 13px;
}

#search {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  caret-color: var(--green);
}
#search::placeholder { color: var(--text-muted); }

/* ── Header list ─────────────────────────────────────── */
.header-list {
  overflow-y: auto;
  max-height: 60vh;
}

.header-row {
  display: grid;
  grid-template-columns: 280px 1fr;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
.header-row:nth-child(even) { background: var(--bg-row-alt); }
.header-row:hover { background: rgba(0,255,65,0.04); }

.header-key, .header-val {
  padding: 7px 14px;
  word-break: break-all;
}

.header-key {
  color: var(--green);
  border-right: 1px solid var(--border);
  font-size: 12px;
  letter-spacing: 0.5px;
}

/* Highlight known proxy/LB headers */
.header-key.highlight-lb  { color: var(--amber); text-shadow: 0 0 4px rgba(255,179,0,0.4); }
.header-key.highlight-auth { color: var(--red); text-shadow: 0 0 4px rgba(255,49,49,0.4); }

.header-val {
  color: var(--text);
  font-size: 12px;
}

.header-val em {
  color: var(--text-muted);
  font-style: normal;
}

.loading-row {
  padding: 20px 14px;
  color: var(--text-muted);
  letter-spacing: 2px;
}

.no-results {
  padding: 20px 14px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* ── Raw output ──────────────────────────────────────── */
.raw-output {
  padding: 14px;
  font-size: 12px;
  color: var(--text-muted);
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.6;
  max-height: 400px;
  overflow-y: auto;
}

.hidden { display: none !important; }

/* ── Status bar ──────────────────────────────────────── */
.status-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 5px 16px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  z-index: 100;
}

#status-text.ok   { color: var(--green); }
#status-text.err  { color: var(--red); }

#refresh-counter { color: var(--text-muted); }

/* ── Glow pulse on fresh data ─────────────────────────── */
@keyframes flash-row {
  0%   { background: rgba(0,255,65,0.12); }
  100% { background: transparent; }
}
.flash { animation: flash-row 0.6s ease-out; }

/* ── Scrollbar styling ───────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--green-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--green); }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 600px) {
  .header-row { grid-template-columns: 1fr; }
  .header-key { border-right: none; border-bottom: 1px solid var(--border); }
  .panel-controls { flex-wrap: wrap; gap: 6px; }
}