:root {
  --bg: #0e0e0e;
  --bg-2: #070707;
  --panel: #141414;
  --panel-2: #1a1a1a;
  --border: rgba(74, 222, 128, 0.3);
  --border-strong: #4ade80;
  --fg: #e6e8ee;
  --muted: #8b93a7;
  --accent: #4ade80;
  --accent-dark: #166534;
  --accent-fg: #0e0e0e;
  --link: #4ade80;
  --danger: #f87171;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  background-image:
    linear-gradient(rgba(74, 222, 128, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 222, 128, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Subtle CRT scanlines overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.18) 3px,
    rgba(0, 0, 0, 0) 4px
  );
  z-index: 100;
  mix-blend-mode: multiply;
}

.pixel-font {
  font-family: 'Press Start 2P', system-ui, monospace;
}

.neon-green {
  color: var(--accent);
  text-shadow:
    0 0 6px rgba(74, 222, 128, 0.85),
    0 0 14px rgba(74, 222, 128, 0.55),
    0 0 24px rgba(74, 222, 128, 0.35);
}

/* ----- Header / Hero ----- */

header {
  padding: 3rem 1.5rem 2rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.hero-img {
  display: block;
  width: min(420px, 80vw);
  margin: 0 auto 1.75rem;
  border-radius: 8px;
  filter: drop-shadow(0 0 24px rgba(74, 222, 128, 0.45));
}

header .title-1,
header .title-2 {
  font-family: 'Press Start 2P', system-ui, monospace;
  margin: 0;
  letter-spacing: 0.12em;
  font-size: clamp(2rem, 6vw, 3.75rem);
  font-weight: normal;
  line-height: 1.1;
}

header .title-1 {
  color: #fff;
  text-shadow:
    0 0 8px rgba(255, 255, 255, 0.35),
    0 0 18px rgba(74, 222, 128, 0.25);
}

header .title-2 {
  color: var(--accent);
  text-shadow:
    0 0 6px rgba(74, 222, 128, 0.85),
    0 0 14px rgba(74, 222, 128, 0.55),
    0 0 24px rgba(74, 222, 128, 0.35);
  margin-top: 0.4rem;
}

.tagline {
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 1rem;
}

/* ----- Layout ----- */

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ----- Mode tabs (Buy It Now / Auctions) ----- */

.mode-tabs {
  display: flex;
  gap: 0;
  margin-bottom: -2px; /* tuck into the form's top border */
  position: relative;
  z-index: 1;
}

.mode-tab {
  font-family: 'Press Start 2P', system-ui, monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  padding: 0.85rem 1.5rem;
  background: var(--panel);
  color: var(--muted);
  border: 2px solid var(--border);
  border-bottom: none;
  cursor: pointer;
  transition: color 0.1s ease, background 0.1s ease;
}

.mode-tab + .mode-tab {
  border-left: none;
}

.mode-tab:hover {
  color: var(--accent);
}

.mode-tab.active {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
  box-shadow: 0 0 14px rgba(74, 222, 128, 0.5);
}

@media (max-width: 600px) {
  .mode-tab { font-size: 0.5rem; padding: 0.7rem 1rem; }
}

/* ----- Form / panel ----- */

form {
  background: var(--panel);
  border: 2px solid var(--accent);
  box-shadow:
    0 0 14px rgba(74, 222, 128, 0.35),
    inset 0 0 14px rgba(74, 222, 128, 0.08);
  padding: 1.6rem;
  margin-bottom: 2rem;
}

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

label {
  display: flex;
  flex-direction: column;
  font-family: 'Press Start 2P', system-ui, monospace;
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  gap: 0.55rem;
  line-height: 1.6;
}

input[type="number"], select {
  background: #050505;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 0.65rem 0.7rem;
  font-size: 0.95rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  text-transform: none;
  letter-spacing: normal;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.5);
}

fieldset.locations {
  border: 1px solid var(--border);
  padding: 0.85rem 1rem;
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  align-items: center;
}

fieldset.locations legend {
  font-family: 'Press Start 2P', system-ui, monospace;
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  padding: 0 0.4rem;
}

label.checkbox {
  flex-direction: row;
  align-items: center;
  gap: 0.4rem;
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 0.85rem;
  text-transform: none;
  letter-spacing: normal;
  cursor: pointer;
}

label.checkbox input { margin: 0; accent-color: var(--accent); }

/* ----- Pixel button ----- */

.pixel-btn {
  display: inline-block;
  margin-top: 1.6rem;
  background: var(--accent);
  color: var(--accent-fg);
  border: 3px solid #ffffff;
  padding: 0.85rem 2rem;
  font-family: 'Press Start 2P', system-ui, monospace;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  box-shadow:
    0 0 14px rgba(74, 222, 128, 0.75),
    4px 4px 0 var(--accent-dark);
  transition: transform .05s ease, box-shadow .05s ease;
}

.pixel-btn:hover {
  transform: translate(2px, 2px);
  box-shadow:
    0 0 22px rgba(74, 222, 128, 0.95),
    2px 2px 0 var(--accent-dark);
}

.pixel-btn:disabled {
  opacity: 0.6;
  cursor: wait;
  transform: none;
}

/* ----- Data freshness note ----- */

.data-note {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  margin: 0 0 1.5rem;
  padding: 0 1rem;
  font-style: italic;
}

/* ----- Status / results ----- */

.status {
  color: var(--muted);
  text-align: center;
  padding: 1.5rem;
  font-size: 1rem;
}

.status.error { color: var(--danger); }

.table-wrap {
  background: var(--panel);
  border: 2px solid var(--accent);
  box-shadow:
    0 0 14px rgba(74, 222, 128, 0.35),
    inset 0 0 14px rgba(74, 222, 128, 0.08);
  overflow-x: auto;
}

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

thead { background: var(--bg-2); }

th {
  text-align: left;
  padding: 0.85rem 0.85rem;
  border-bottom: 1px solid var(--border);
  font-family: 'Press Start 2P', system-ui, monospace;
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  white-space: nowrap;
}

td {
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid rgba(74, 222, 128, 0.12);
  font-size: 0.9rem;
  vertical-align: top;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(74, 222, 128, 0.06); }

td.per-gb {
  font-weight: 700;
  color: var(--accent);
  font-size: 1.05rem;
  white-space: nowrap;
  text-shadow: 0 0 8px rgba(74, 222, 128, 0.6);
}

td.title-cell { max-width: 360px; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: text-shadow 0.15s ease;
}
a:hover {
  text-shadow:
    0 0 6px rgba(74, 222, 128, 0.85),
    0 0 14px rgba(74, 222, 128, 0.5);
}

.sub {
  color: var(--muted);
  font-size: 0.75rem;
  display: block;
  margin-top: 0.15rem;
}

/* ----- Footer ----- */

footer {
  padding: 2.5rem 1.5rem 3rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  background: var(--bg-2);
}

footer .disclosure {
  max-width: 720px;
  margin: 0 auto 1rem;
  line-height: 1.6;
}

footer .powered-by {
  margin: 2rem auto 0;
  font-family: 'Press Start 2P', system-ui, monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

footer .powered-by a {
  color: var(--accent);
}

@media (max-width: 600px) {
  header { padding: 2rem 1rem 1.5rem; }
  .tagline { font-size: 0.85rem; }
  th, td { padding: 0.5rem 0.5rem; font-size: 0.78rem; }
  td.per-gb { font-size: 0.9rem; }
  th { font-size: 0.5rem; }
  .pixel-btn { font-size: 0.7rem; padding: 0.75rem 1.5rem; }
  footer .powered-by { font-size: 0.5rem; }
}