/* TF2 Tools — dark industrial fan aesthetic (unofficial, no Valve IP) */
@import url("https://fonts.googleapis.com/css2?family=Anton&family=Oswald:wght@400;500;600;700&family=Roboto+Condensed:wght@400;700&display=swap");

:root {
  --tf-orange: #c84a31;
  --tf-orange-bright: #e05a2b;
  --tf-amber: #f0a040;
  --tf-rust: #8b3a28;
  --bg: #1a1612;
  --bg2: #12100e;
  --panel: #2a241c;
  --panel2: #332b22;
  --panel-edge: #4a3f32;
  --metal: #3a342c;
  --text: #efe6d8;
  --muted: #a89880;
  --ok: #7cb35a;
  --blu: #5b7c9e;
  --red: #c84a31;
  --warn: #e0b040;
  --radius: 4px;
  --font: "Roboto Condensed", "Segoe UI", system-ui, sans-serif;
  --display: "Anton", "Oswald", Impact, sans-serif;
  --mono: ui-monospace, "Consolas", monospace;
  --hatch: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 3px,
    rgba(0, 0, 0, 0.12) 3px,
    rgba(0, 0, 0, 0.12) 6px
  );
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background-color: var(--bg2);
  background-image:
    var(--hatch),
    radial-gradient(ellipse at 15% -10%, rgba(200, 74, 49, 0.18), transparent 45%),
    radial-gradient(ellipse at 90% 110%, rgba(91, 124, 158, 0.08), transparent 40%),
    linear-gradient(180deg, #1e1a16 0%, #12100e 100%);
  color: var(--text);
  line-height: 1.45;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--tf-amber); text-decoration: none; }
a:hover { color: #ffc070; text-decoration: underline; }

.wrap {
  width: min(1080px, 100% - 2rem);
  margin-inline: auto;
}

/* —— Header —— */
.site-header {
  background:
    linear-gradient(180deg, #2e2620 0%, #221c18 100%);
  border-bottom: 4px solid var(--tf-orange);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.35);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  flex-wrap: wrap;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  text-decoration: none;
}
.logo:hover { text-decoration: none; color: var(--text); }
.logo-mark {
  width: 42px;
  height: 42px;
  background: linear-gradient(145deg, var(--tf-orange-bright), var(--tf-rust));
  border: 2px solid #1a1210;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    0 0 0 2px var(--tf-orange);
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: #1a100c;
  transform: skewX(-6deg);
}
.logo-text {
  font-family: var(--display);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
}
.logo-text small {
  display: block;
  font-family: var(--font);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  font-weight: 700;
  margin-top: 0.2rem;
}
.nav {
  display: flex;
  gap: 0.25rem 0.9rem;
  flex-wrap: wrap;
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.nav a { color: var(--muted); }
.nav a:hover, .nav a.active {
  color: var(--tf-amber);
  text-decoration: none;
}

/* —— Main —— */
main { flex: 1; padding: 1.75rem 0 2.5rem; }

.badge {
  display: inline-block;
  font-family: var(--display);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  background: var(--tf-orange);
  color: #1a100c;
  border: 2px solid #1a100c;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.45);
  margin-bottom: 0.85rem;
  transform: skewX(-4deg);
}

.hero { margin-bottom: 1.75rem; }
.hero h1 {
  margin: 0 0 0.45rem;
  font-family: var(--display);
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1.05;
  text-shadow: 3px 3px 0 rgba(0, 0, 0, 0.55);
}
.hero h1 span { color: var(--tf-orange-bright); }
.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 54ch;
  font-size: 1.05rem;
}

/* Tool cards */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1rem;
}
.tool-card {
  background:
    var(--hatch),
    linear-gradient(160deg, var(--panel2) 0%, var(--panel) 100%);
  border: 2px solid var(--panel-edge);
  border-top-color: #5a4e40;
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
  box-shadow:
    inset 0 1px 0 rgba(255, 220, 180, 0.06),
    4px 4px 0 rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.12s, border-color 0.12s, box-shadow 0.12s;
  position: relative;
  overflow: hidden;
}
.tool-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--tf-orange);
}
.tool-card:hover {
  transform: translate(-2px, -2px);
  border-color: var(--tf-orange);
  box-shadow:
    inset 0 1px 0 rgba(255, 220, 180, 0.08),
    6px 6px 0 rgba(0, 0, 0, 0.45);
  text-decoration: none;
  color: inherit;
}
.tool-card .icon {
  font-size: 1.55rem;
  line-height: 1;
  filter: grayscale(0.2);
}
.tool-card h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.2rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.tool-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  flex: 1;
}
.tool-card .go {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tf-amber);
}

.about {
  margin-top: 2.25rem;
  padding: 1.15rem 1.25rem;
  background: var(--bg);
  border: 2px solid var(--panel-edge);
  border-left: 5px solid var(--blu);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.35);
}
.about h2 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.about p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* Tool pages */
.back {
  display: inline-block;
  margin-bottom: 0.85rem;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.back:hover { color: var(--tf-amber); }

.tool-page h1 {
  margin: 0 0 0.3rem;
  font-family: var(--display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.5);
}
.tool-page .lead {
  color: var(--muted);
  margin: 0 0 1.25rem;
  max-width: 62ch;
}

.disclaimer {
  font-size: 0.88rem;
  color: var(--warn);
  background: rgba(224, 176, 64, 0.1);
  border: 2px solid rgba(224, 176, 64, 0.4);
  border-left: 5px solid var(--warn);
  padding: 0.75rem 1rem;
  margin-bottom: 1.15rem;
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.25);
}

.panel {
  background:
    var(--hatch),
    linear-gradient(165deg, #302820 0%, #241e18 100%);
  border: 2px solid var(--panel-edge);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
  margin-bottom: 1rem;
  box-shadow:
    inset 0 1px 0 rgba(255, 220, 180, 0.05),
    3px 3px 0 rgba(0, 0, 0, 0.35);
}
.panel h2, .panel h3 {
  margin: 0 0 0.9rem;
  font-family: var(--display);
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--tf-amber);
  border-bottom: 2px solid var(--tf-rust);
  padding-bottom: 0.35rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 720px) {
  .grid-2 { grid-template-columns: 1fr; }
}

label.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 0.8rem;
}
label.field.inline {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}
input[type="number"],
input[type="text"],
input[type="color"],
select {
  font: inherit;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  padding: 0.55rem 0.7rem;
  border-radius: 2px;
  border: 2px solid var(--panel-edge);
  background: #161310;
  color: var(--text);
  width: 100%;
}
input[type="number"]:focus,
input[type="text"]:focus,
select:focus {
  outline: none;
  border-color: var(--tf-orange);
}
input[type="color"] {
  height: 42px;
  padding: 0.2rem;
  cursor: pointer;
}
input[type="range"] {
  width: 100%;
  accent-color: var(--tf-orange);
}
.row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: flex-end;
}
.row > * { flex: 1; min-width: 120px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1.05rem;
  border-radius: 2px;
  border: 2px solid #1a100c;
  font-family: var(--display);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  background: linear-gradient(180deg, var(--tf-orange-bright), var(--tf-orange));
  color: #1a100c;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.4);
}
.btn:hover { filter: brightness(1.08); }
.btn:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.4);
}
.btn.secondary {
  background: linear-gradient(180deg, #4a4238, #332c24);
  color: var(--text);
  border-color: #1a100c;
}
.btn.ghost {
  background: transparent;
  color: var(--tf-amber);
  border-color: var(--panel-edge);
  box-shadow: none;
}
.btn.sm {
  padding: 0.3rem 0.65rem;
  font-size: 0.78rem;
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.35);
}

.result-box {
  background: #14110e;
  border: 2px solid var(--panel-edge);
  border-left: 5px solid var(--tf-orange);
  padding: 1rem;
  font-family: var(--mono);
  font-size: 0.92rem;
}
.result-box .big {
  font-family: var(--display);
  font-size: 2rem;
  letter-spacing: 0.02em;
  color: var(--tf-orange-bright);
  text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.5);
  line-height: 1.1;
}
.result-box .sub {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.35rem;
  font-family: var(--font);
}
.stat-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--panel-edge);
  font-family: var(--font);
}
.stat-row:last-child { border-bottom: none; }
.stat-row .k { color: var(--muted); }
.stat-row .v { font-weight: 700; color: var(--text); }

/* Crosshair */
.xhair-stage {
  height: 240px;
  background:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px),
    #0c160c;
  background-size: 20px 20px, 20px 20px, auto;
  border: 2px solid var(--panel-edge);
  position: relative;
  overflow: hidden;
  margin-bottom: 1rem;
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.5);
}
.xhair-preview {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
pre.code {
  background: #14110e;
  border: 2px solid var(--panel-edge);
  padding: 0.9rem 1rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.8rem;
  margin: 0 0 0.75rem;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Checklist */
.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--panel-edge);
}
.check-list li:last-child { border-bottom: none; }
.check-list input[type="checkbox"] {
  margin-top: 0.2rem;
  accent-color: var(--tf-orange);
  width: 1.15rem;
  height: 1.15rem;
  flex-shrink: 0;
}
.check-list .item-body { flex: 1; min-width: 0; }
.check-list .item-title {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.95rem;
}
.check-list .item-desc { font-size: 0.85rem; color: var(--muted); }
.copy-block {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
  margin-top: 0.4rem;
}
.copy-block code {
  flex: 1;
  background: #14110e;
  border: 2px solid var(--panel-edge);
  padding: 0.4rem 0.55rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  overflow-x: auto;
  white-space: nowrap;
}

/* Footer */
footer.site-footer {
  border-top: 4px solid var(--tf-orange);
  padding: 1.35rem 0;
  color: var(--muted);
  font-size: 0.85rem;
  background:
    var(--hatch),
    linear-gradient(180deg, #221c18, #161310);
}
footer.site-footer .inner {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
footer.site-footer strong {
  color: var(--text);
  font-family: var(--display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 400;
}

.toast {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  background: var(--ok);
  color: #0f1a0a;
  padding: 0.65rem 1rem;
  border: 2px solid #0f1a0a;
  font-family: var(--display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.85rem;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 100;
}
.toast.show { opacity: 1; }

.class-dot {
  display: inline-block;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  margin-right: 0.35rem;
  vertical-align: middle;
  border: 1px solid rgba(0,0,0,0.4);
}