/*!
 * QRGen — Free QR Code Generator with Logo · theme "Scanfield"
 * Copyright (c) 2026 Dot2Shape. All rights reserved.
 */

/* ---------- Fonts (shared /fonts/ per Toolzen doctrine) ---------- */
@font-face { font-family: "Sora"; font-style: normal; font-weight: 400; font-display: swap; src: url("/fonts/sora-400.woff2") format("woff2"); }
@font-face { font-family: "Sora"; font-style: normal; font-weight: 600; font-display: swap; src: url("/fonts/sora-600.woff2") format("woff2"); }
@font-face { font-family: "Sora"; font-style: normal; font-weight: 800; font-display: swap; src: url("/fonts/sora-800.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("/fonts/plex-mono-400.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 600; font-display: swap; src: url("/fonts/plex-mono-600.woff2") format("woff2"); }

/* ---------- Tokens ---------- */
:root {
  --acc: #0d9488;
  --acc2: #2dd4bf;
  --acc-soft: rgba(13, 148, 136, 0.1);
  --bg: #f4f8f7;
  --card: #ffffff;
  --card2: #eef4f3;
  --ink: #10201d;
  --mut: #5c6f6b;
  --line: #d9e4e2;
  --line2: #c2d4d1;
  --good: #0d9488;
  --warn-bg: #fdf5e5;
  --warn-ink: #8a5b00;
  --err-bg: #fdecec;
  --err-ink: #a33;
  --shadow: 0 1px 2px rgba(16, 32, 29, 0.05), 0 12px 32px -18px rgba(16, 32, 29, 0.25);
  --r: 16px;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
.dark {
  --acc: #2dd4bf;
  --acc2: #5eead4;
  --acc-soft: rgba(45, 212, 191, 0.12);
  --bg: #0b1413;
  --card: #101b1a;
  --card2: #0e1817;
  --ink: #e7f0ee;
  --mut: #93a8a4;
  --line: #1e2e2c;
  --line2: #2a3d3a;
  --warn-bg: #241c07;
  --warn-ink: #eac266;
  --err-bg: #2a1212;
  --err-ink: #f2a1a1;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 14px 34px -18px rgba(0, 0, 0, 0.7);
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Sora", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15.5px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--acc); }
.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--acc); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100;
}
.skip:focus { left: 12px; top: 12px; }

/* ---------- Nav ---------- */
header { border-bottom: 1px solid var(--line); background: var(--card); }
.nav {
  max-width: 1060px; margin: 0 auto; padding: 12px 18px;
  display: flex; align-items: center; gap: 10px;
}
.nav .logo { border-radius: 9px; display: block; }
.brand { display: flex; flex-direction: column; line-height: 1.15; }
.brand a { color: var(--ink); text-decoration: none; font-weight: 800; letter-spacing: -0.01em; }
.brand small a { color: var(--mut); font-weight: 400; font-size: 11.5px; }
.spacer { flex: 1; }
#themeToggle {
  border: 1px solid var(--line2); background: var(--card); color: var(--ink);
  width: 36px; height: 36px; border-radius: 10px; cursor: pointer;
  display: grid; place-items: center;
}
#themeToggle:hover { border-color: var(--acc); color: var(--acc); }
#themeToggle .moon { display: none; }
.dark #themeToggle .moon { display: block; }
.dark #themeToggle .sun { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  max-width: 780px; margin: 0 auto; padding: 46px 18px 8px; text-align: center;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(var(--line2) 1.15px, transparent 1.15px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 50% 0%, #000 0%, transparent 68%);
  mask-image: radial-gradient(ellipse 70% 90% at 50% 0%, #000 0%, transparent 68%);
  opacity: 0.55;
}
.hero > * { position: relative; }
.hero h1 {
  font-size: clamp(30px, 5.4vw, 46px);
  line-height: 1.12; letter-spacing: -0.025em; font-weight: 800; margin: 0 0 14px;
}
.hero .hl { color: var(--acc); }
.hero p { color: var(--mut); max-width: 590px; margin: 0 auto; }
.badges { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 600; color: var(--acc);
  background: var(--acc-soft); border: 1px solid transparent;
  padding: 5px 12px; border-radius: 999px;
}

/* ---------- Tool ---------- */
.tool { max-width: 1060px; margin: 26px auto 0; padding: 0 18px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  box-shadow: var(--shadow); padding: 22px;
}
.tool-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 26px; }

/* Tabs */
.type-tabs {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px;
}
.type-tab {
  font: inherit; font-size: 13.5px; font-weight: 600;
  color: var(--mut); background: var(--card2);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 7px 13px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
}
.type-tab svg { opacity: 0.75; }
.type-tab:hover { color: var(--ink); border-color: var(--line2); }
.type-tab.on {
  color: #fff; background: var(--acc); border-color: var(--acc);
}
.dark .type-tab.on { color: #06211d; }
.type-tab.on svg { opacity: 1; }

/* Fields */
.field { margin-bottom: 13px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--mut); margin-bottom: 5px; }
.field input[type="text"], .field input[type="url"], .field input[type="email"],
.field input[type="tel"], .field input[type="password"], .field select, .field textarea {
  width: 100%; font: inherit; font-size: 15px; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line2); border-radius: 10px;
  padding: 10px 12px; outline: none;
}
.field textarea { resize: vertical; min-height: 84px; }
.field :is(input, select, textarea):focus { border-color: var(--acc); box-shadow: 0 0 0 3px var(--acc-soft); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.check { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--mut); }
.check input { width: 16px; height: 16px; accent-color: var(--acc); }

/* Options strip */
.opts {
  border-top: 1px dashed var(--line2); margin-top: 18px; padding-top: 16px;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 14px;
}
.opt label { display: block; font-size: 12px; font-weight: 600; color: var(--mut); margin-bottom: 5px; }
.opt select {
  width: 100%; font: inherit; font-size: 14px; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line2); border-radius: 10px; padding: 8px 10px;
}
.color-wrap { display: flex; align-items: center; gap: 8px; }
.color-wrap input[type="color"] {
  appearance: none; -webkit-appearance: none;
  width: 40px; height: 32px; border: 1px solid var(--line2); border-radius: 8px;
  padding: 2px; background: var(--bg); cursor: pointer;
}
.color-wrap input[type="color"]::-webkit-color-swatch-wrapper { padding: 1px; }
.color-wrap input[type="color"]::-webkit-color-swatch { border: none; border-radius: 5px; }
.color-wrap code { font-family: var(--mono); font-size: 12px; color: var(--mut); }

/* Logo upload */
.logo-opt { grid-column: 1 / -1; }
.btn {
  font: inherit; font-size: 13.5px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--ink); background: var(--card); border: 1px solid var(--line2);
  border-radius: 10px; padding: 9px 14px; cursor: pointer; position: relative;
}
.btn:hover { border-color: var(--acc); color: var(--acc); }
.btn.primary {
  color: #fff; background: linear-gradient(135deg, var(--acc), #0f766e); border-color: transparent;
}
.dark .btn.primary { color: #06211d; background: linear-gradient(135deg, var(--acc2), var(--acc)); }
.btn.primary:hover { filter: brightness(1.06); }
.btn .tip {
  position: absolute; bottom: calc(100% + 7px); left: 50%; transform: translateX(-50%) scale(0.94);
  background: var(--ink); color: var(--bg); font-size: 11.5px; font-weight: 600;
  padding: 4px 9px; border-radius: 7px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity 0.15s, transform 0.15s;
}
.btn .tip.show { opacity: 1; transform: translateX(-50%) scale(1); }
.logo-row {
  display: flex; align-items: center; gap: 9px; margin-top: 9px;
  font-size: 13px; color: var(--mut);
}
.logo-row .x {
  border: none; background: none; color: var(--mut); font-size: 17px; cursor: pointer; padding: 2px 6px;
}
.logo-row .x:hover { color: var(--err-ink); }
.opt-note { grid-column: 1 / -1; font-size: 12px; color: var(--mut); margin: 0; }

/* ---------- Preview panel ---------- */
.preview { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.qr-frame {
  position: relative; padding: 18px; border-radius: 18px;
  background: var(--card2);
  width: 100%; max-width: 330px;
  display: grid; place-items: center; aspect-ratio: 1;
}
/* QR finder-pattern corner brackets */
.qr-frame::before, .qr-frame::after,
.qr-frame .fc::before, .qr-frame .fc::after {
  content: ""; position: absolute; width: 26px; height: 26px;
  border: 3px solid var(--acc); opacity: 0.85;
}
.qr-frame::before { top: 7px; left: 7px; border-right: none; border-bottom: none; border-radius: 8px 0 0 0; }
.qr-frame::after { top: 7px; right: 7px; border-left: none; border-bottom: none; border-radius: 0 8px 0 0; }
.qr-frame .fc::before { bottom: 7px; left: 7px; border-right: none; border-top: none; border-radius: 0 0 0 8px; }
.qr-frame .fc::after { bottom: 7px; right: 7px; border-left: none; border-top: none; border-radius: 0 0 8px 0; }
#qrCanvas {
  width: 100%; height: auto; max-width: 272px; border-radius: 8px;
  image-rendering: pixelated;
}
.qr-empty { text-align: center; color: var(--mut); font-size: 13.5px; padding: 12px; max-width: 230px; }
.qr-empty svg { display: block; margin: 0 auto 10px; color: var(--line2); }
.qr-meta { font-family: var(--mono); font-size: 11.5px; color: var(--mut); }
.msg {
  width: 100%; font-size: 13px; border-radius: 10px; padding: 9px 12px; margin: 0;
}
.msg.warn { background: var(--warn-bg); color: var(--warn-ink); }
.msg.err { background: var(--err-bg); color: var(--err-ink); }
.dl-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.payload-wrap { width: 100%; }
.payload-wrap summary { font-size: 12.5px; color: var(--mut); cursor: pointer; }
.payload-wrap pre {
  font-family: var(--mono); font-size: 11.5px; line-height: 1.5;
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; margin: 8px 0 0;
  white-space: pre-wrap; word-break: break-all; max-height: 130px; overflow: auto;
  color: var(--mut);
}

/* ---------- Ads ---------- */
.ad-slot { max-width: 1060px; margin: 26px auto; padding: 0 18px; min-height: 0; }

/* ---------- Content ---------- */
.content { max-width: 780px; margin: 10px auto 0; padding: 0 18px; }
.content section { margin: 42px 0; }
.content h2 {
  font-size: 23px; letter-spacing: -0.02em; font-weight: 800; margin: 0 0 12px;
}
.content h3 { font-size: 16.5px; font-weight: 600; margin: 22px 0 7px; }
.content p, .content li { color: var(--mut); }
.content b { color: var(--ink); font-weight: 600; }
.content a { font-weight: 600; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 18px; }
.step {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px;
}
.step .num {
  display: inline-grid; place-items: center; width: 26px; height: 26px;
  background: var(--acc); color: #fff; border-radius: 8px;
  font-size: 13px; font-weight: 800; margin-bottom: 9px;
}
.dark .step .num { color: #06211d; }
.step b { display: block; margin-bottom: 4px; }
.step p { font-size: 13.5px; margin: 0; }
table.ref {
  width: 100%; border-collapse: collapse; font-size: 14px; margin: 14px 0;
}
table.ref th, table.ref td {
  text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line);
}
table.ref th { font-size: 12.5px; color: var(--mut); }
table.ref td { color: var(--mut); }
table.ref td:first-child { color: var(--ink); font-weight: 600; }
.mono { font-family: var(--mono); font-size: 13px; }
.formula {
  font-family: var(--mono); font-size: 13.5px; background: var(--card);
  border: 1px solid var(--line); border-left: 3px solid var(--acc);
  border-radius: 10px; padding: 12px 15px; margin: 14px 0; color: var(--ink);
  overflow-x: auto;
}
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.tag {
  font-size: 12px; color: var(--mut); background: var(--card);
  border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px;
}
#faq details {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 13px 16px; margin-bottom: 9px;
}
#faq summary { font-weight: 600; cursor: pointer; }
#faq details p { margin: 9px 0 2px; font-size: 14.5px; }
.disclaimer {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 13px; color: var(--mut);
  background: var(--card2); border-radius: 12px; padding: 13px 15px; margin-top: 20px;
}
.disclaimer svg { flex: none; margin-top: 2px; }

/* ---------- Cross-links wrap ---------- */
.tz-wrap { max-width: 1060px; margin: 0 auto; padding: 0 18px; }

/* ---------- Install banner ---------- */
.install {
  position: fixed; left: 14px; right: 14px; bottom: 14px; z-index: 60;
  max-width: 430px; margin: 0 auto;
  display: flex; align-items: center; gap: 12px;
  background: var(--card); border: 1px solid var(--line2); border-radius: 14px;
  box-shadow: var(--shadow); padding: 12px 14px;
}
.install img { border-radius: 10px; }
.install .txt { flex: 1; display: flex; flex-direction: column; font-size: 12.5px; color: var(--mut); }
.install .txt b { color: var(--ink); font-size: 13.5px; }
.install .x { border: none; background: none; color: var(--mut); font-size: 19px; cursor: pointer; padding: 2px 6px; }
.btn.small { padding: 7px 12px; font-size: 12.5px; }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--line); margin-top: 48px; background: var(--card); }
.foot {
  max-width: 1060px; margin: 0 auto; padding: 18px;
  display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center;
  font-size: 13px; color: var(--mut);
}
.foot a { color: var(--mut); }
.foot a:hover { color: var(--acc); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .tool-grid { grid-template-columns: 1fr; }
  .preview { order: -1; }
  .qr-frame { max-width: 280px; }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  body { font-size: 15px; }
  .card { padding: 16px; }
  .opts { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .field input, .field select, .field textarea { font-size: 16px; } /* stop iOS zoom */
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}