/* ══════════════════════════════════════════════════════
   qr-style.css — QR Code Generator Theme
   Color: Green/teal — distinct from YT (red) and main (blue)
══════════════════════════════════════════════════════ */
:root {
  --qr-green:       #16a34a;
  --qr-green-dark:  #15803d;
  --qr-green-light: #22c55e;
  --qr-teal:        #0d9488;
  --qr-dark:        #0a0f0a;
  --qr-dark2:       #111811;
  --qr-dark3:       #1a201a;
  --qr-dark4:       #242c24;
  --qr-text:        #f0faf0;
  --qr-muted:       #94a394;
  --qr-border:      rgba(255,255,255,.09);
}

.qr-page { background: var(--qr-dark); min-height: 100vh; }

/* ── Navbar ── */
.qr-navbar {
  background: rgba(8,12,8,.97) !important;
  border-bottom: 1px solid rgba(255,255,255,.07);
  backdrop-filter: blur(12px);
  padding: .65rem 0;
}
.qr-nl {
  color: var(--qr-muted) !important;
  font-size: .87rem; font-weight: 500;
  padding: .35rem .7rem !important;
  border-radius: 6px;
  transition: color .15s, background .15s;
}
.qr-nl:hover, .qr-nl.active {
  color: var(--qr-text) !important;
  background: var(--qr-dark3) !important;
}
.qr-nav-btn {
  background: var(--qr-green) !important;
  color: #fff !important;
  border: none !important;
  font-weight: 700; font-size: .84rem;
  border-radius: 7px !important;
  transition: background .15s !important;
}
.qr-nav-btn:hover { background: var(--qr-green-dark) !important; color: #fff !important; }
.qr-toggler {
  border: 1px solid rgba(255,255,255,.2) !important;
  padding: .3rem .5rem !important; border-radius: 6px;
}
.qr-toggler .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255%2C255%2C255%2C0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}
.qr-toggler:focus { box-shadow: 0 0 0 3px rgba(22,163,74,.3) !important; outline: none !important; }
@media (max-width: 991px) {
  #qrNavMenu {
    background: var(--qr-dark2);
    border: 1px solid var(--qr-border);
    border-radius: 10px; padding: .65rem .75rem; margin-top: .5rem;
  }
  .qr-nl { padding: .55rem .75rem !important; display: block; }
  .navbar-nav { gap: .15rem; }
  .qr-nav-btn { margin-top: .35rem; display: inline-flex; }
}

/* ── Hero ── */
.qr-hero {
  background: var(--qr-dark);
  padding: 4rem 0 3.5rem;
  position: relative; overflow: hidden;
}
.qr-hero::before {
  content: '';
  position: absolute; top: -120px; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 380px;
  background: radial-gradient(ellipse, rgba(22,163,74,.14) 0%, transparent 70%);
  pointer-events: none;
}
.qr-badge {
  display: inline-flex; align-items: center; gap: .45rem;
  background: rgba(22,163,74,.12);
  border: 1px solid rgba(22,163,74,.3);
  color: #86efac;
  font-size: .77rem; font-weight: 600; letter-spacing: .04em;
  padding: .28rem .85rem; border-radius: 50px; margin-bottom: .8rem;
}
.qr-title {
  font-size: clamp(1.85rem, 5vw, 3rem);
  font-weight: 800; color: var(--qr-text);
  line-height: 1.18; margin-bottom: .8rem; letter-spacing: -.5px;
}
.qr-accent { color: var(--qr-green-light); }
.qr-sub {
  color: var(--qr-muted); font-size: 1rem; line-height: 1.6;
  margin-bottom: 1.75rem; max-width: 540px;
  margin-left: auto; margin-right: auto;
}

/* ── Tool Card ── */
.qr-tool-card {
  background: var(--qr-dark3);
  border: 1px solid rgba(255,255,255,.11);
  border-radius: 16px; padding: 1.4rem; text-align: left;
}

/* ── Tab Switcher (URL / Text / WiFi / vCard) ── */
.qr-tabs {
  display: flex; gap: .35rem;
  background: var(--qr-dark4);
  border-radius: 10px; padding: .3rem;
  margin-bottom: 1rem;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.qr-tabs::-webkit-scrollbar { display: none; }
.qr-tab-btn {
  flex: 1; min-width: max-content;
  background: transparent; border: none;
  color: var(--qr-muted); font-size: .8rem; font-weight: 600;
  padding: .45rem .7rem; border-radius: 7px;
  cursor: pointer; transition: background .15s, color .15s;
  font-family: inherit; white-space: nowrap;
}
.qr-tab-btn.active {
  background: var(--qr-green); color: #fff;
}
.qr-tab-btn:hover:not(.active) { color: var(--qr-text); background: rgba(255,255,255,.07); }

/* ── Input Area ── */
.qr-input-group {
  display: flex; align-items: stretch;
  background: #fff; border-radius: 10px; overflow: hidden;
  border: 2px solid #e5e7eb; transition: border-color .15s;
  margin-bottom: .6rem;
}
.qr-input-group:focus-within { border-color: var(--qr-green); }
.qr-input-icon {
  display: flex; align-items: center; justify-content: center;
  padding: 0 .85rem 0 1rem; background: #fff;
  flex-shrink: 0; color: var(--qr-green); min-width: 44px;
}
.qr-input-icon svg { display: block; flex-shrink: 0; }
.qr-input {
  flex: 1; min-width: 0;
  border: none !important; outline: none !important; box-shadow: none !important;
  background: #fff !important; color: #111 !important;
  font-size: .93rem; padding: .75rem .5rem .75rem 0; line-height: 1.4;
}
.qr-input::placeholder { color: #9ca3af; }
.qr-textarea {
  flex: 1; min-width: 0;
  border: none !important; outline: none !important; box-shadow: none !important;
  background: #fff !important; color: #111 !important;
  font-size: .9rem; padding: .75rem .5rem .75rem 0; line-height: 1.5;
  resize: vertical; min-height: 90px; font-family: inherit;
}
.qr-textarea::placeholder { color: #9ca3af; }

.qr-wifi-fields, .qr-vcard-fields {
  display: flex; flex-direction: column; gap: .55rem; margin-bottom: .6rem;
}
.qr-field-label {
  font-size: .75rem; font-weight: 600; color: var(--qr-muted);
  margin-bottom: .25rem; display: block;
}
.qr-field-input {
  width: 100%; background: #fff; border: 2px solid #e5e7eb;
  border-radius: 8px; padding: .6rem .85rem;
  font-size: .9rem; color: #111; outline: none;
  transition: border-color .15s; font-family: inherit;
}
.qr-field-input:focus { border-color: var(--qr-green); }
.qr-select {
  width: 100%; background: #fff; border: 2px solid #e5e7eb;
  border-radius: 8px; padding: .6rem .85rem;
  font-size: .9rem; color: #111; outline: none;
  transition: border-color .15s; font-family: inherit; cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='%23666'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .75rem center;
}
.qr-select:focus { border-color: var(--qr-green); }

/* ── Customize Panel ── */
.qr-customize-toggle {
  width: 100%; background: transparent;
  border: 1px solid var(--qr-border); border-radius: 8px;
  color: var(--qr-muted); font-size: .82rem; font-weight: 600;
  padding: .55rem .9rem; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  transition: border-color .15s, color .15s;
  font-family: inherit; margin-bottom: .5rem;
}
.qr-customize-toggle:hover { border-color: var(--qr-green); color: var(--qr-text); }
.qr-customize-panel {
  background: var(--qr-dark4); border: 1px solid var(--qr-border);
  border-radius: 10px; padding: .9rem; margin-bottom: .7rem;
}
.qr-customize-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: .7rem;
}
@media (max-width: 480px) { .qr-customize-grid { grid-template-columns: 1fr; } }
.qr-color-row {
  display: flex; align-items: center; gap: .6rem;
}
.qr-color-swatch {
  width: 36px; height: 36px; border-radius: 7px;
  border: 2px solid rgba(255,255,255,.15); cursor: pointer;
  overflow: hidden; padding: 0; flex-shrink: 0;
}
.qr-color-swatch input[type="color"] {
  width: 150%; height: 150%;
  margin: -25%; border: none; cursor: pointer; padding: 0;
}
.qr-color-label { font-size: .78rem; color: var(--qr-muted); }
.qr-size-row { display: flex; align-items: center; gap: .6rem; }
.qr-size-label { font-size: .78rem; color: var(--qr-muted); white-space: nowrap; }
.qr-range {
  flex: 1; accent-color: var(--qr-green);
  height: 4px; border-radius: 4px;
}
.qr-size-val {
  font-size: .78rem; color: var(--qr-text); font-weight: 600;
  min-width: 40px; text-align: right;
}
.qr-ecl-row { display: flex; gap: .35rem; }
.qr-ecl-btn {
  flex: 1; background: var(--qr-dark); border: 1px solid var(--qr-border);
  color: var(--qr-muted); font-size: .72rem; font-weight: 700;
  padding: .35rem .2rem; border-radius: 6px;
  cursor: pointer; transition: all .15s; font-family: inherit;
}
.qr-ecl-btn.active { background: var(--qr-green); border-color: var(--qr-green); color: #fff; }
.qr-ecl-btn:hover:not(.active) { border-color: var(--qr-green); color: var(--qr-text); }

/* ── Generate Button ── */
.qr-btn-generate {
  width: 100%; background: var(--qr-green); color: #fff;
  border: none; border-radius: 10px;
  padding: .85rem; font-size: .95rem; font-weight: 700;
  cursor: pointer; transition: background .15s, transform .1s;
  font-family: inherit; display: flex; align-items: center;
  justify-content: center; gap: .5rem;
}
.qr-btn-generate:hover { background: var(--qr-green-dark); transform: translateY(-1px); }
.qr-btn-generate:active { transform: translateY(0); }
.qr-btn-generate:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.qr-error-msg { color: #f87171; font-size: .82rem; margin: .5rem 0 0; display: flex; align-items: center; gap: .35rem; }

/* ── Result Panel ── */
@keyframes qrFadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.qr-result { animation: qrFadeUp .3s ease both; }
.qr-result-layout {
  display: flex; gap: 1rem; align-items: flex-start;
}
@media (max-width: 520px) {
  .qr-result-layout { flex-direction: column; align-items: center; }
}
.qr-result-left { flex-shrink: 0; text-align: center; }
.qr-canvas-wrap {
  background: #fff; border-radius: 12px;
  padding: 12px; display: inline-block;
  box-shadow: 0 4px 20px rgba(0,0,0,.4);
}
.qr-result-right { flex: 1; min-width: 0; }
.qr-result-status {
  display: flex; align-items: center; gap: .4rem;
  color: #4ade80; font-size: .78rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em;
  margin-bottom: .6rem;
}
.qr-result-meta {
  font-size: .78rem; color: var(--qr-muted); line-height: 1.6;
  margin-bottom: .7rem; word-break: break-all;
}
.qr-result-meta span { color: var(--qr-text); font-weight: 600; }
.qr-dl-buttons { display: flex; flex-direction: column; gap: .4rem; }
.qr-dl-btn {
  display: flex; align-items: center; justify-content: center; gap: .45rem;
  padding: .6rem .8rem; border-radius: 8px;
  font-size: .84rem; font-weight: 700;
  cursor: pointer; border: none; transition: all .15s;
  font-family: inherit; text-decoration: none;
}
.qr-dl-png { background: var(--qr-green); color: #fff; }
.qr-dl-png:hover { background: var(--qr-green-dark); }
.qr-dl-svg { background: transparent; border: 1px solid var(--qr-border); color: var(--qr-muted); }
.qr-dl-svg:hover { border-color: var(--qr-green); color: var(--qr-text); }
.qr-btn-new {
  width: 100%; margin-top: .5rem;
  background: transparent; border: 1px solid var(--qr-border);
  color: var(--qr-muted); font-size: .82rem; font-weight: 600;
  padding: .5rem; border-radius: 8px; cursor: pointer;
  transition: all .15s; font-family: inherit;
}
.qr-btn-new:hover { border-color: var(--qr-green); color: var(--qr-text); }
.qr-tip-box {
  background: rgba(22,163,74,.08); border: 1px solid rgba(22,163,74,.2);
  border-radius: 8px; padding: .55rem .8rem;
  font-size: .76rem; color: #86efac;
  display: flex; gap: .4rem; align-items: flex-start; line-height: 1.5;
  margin-top: .65rem;
}
.qr-canvas-wrap canvas {
  display: none !important;
}
.qr-canvas-wrap img {
  display: block !important;
  max-width: 100%;
  height: auto !important;
}


/* ── Section styles ── */
.qr-section-dark { background: var(--qr-dark); }
.qr-section-mid  { background: var(--qr-dark2); }
.qr-section-title {
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  font-weight: 800; color: var(--qr-text);
  margin-bottom: .5rem; letter-spacing: -.3px;
}
.qr-section-sub { color: var(--qr-muted); font-size: .97rem; }
.qr-body-text { font-size: 1rem; color: var(--qr-muted); line-height: 1.8; margin-bottom: 1.1rem; }

/* ── Step cards ── */
.qr-step-card {
  background: var(--qr-dark3); border: 1px solid var(--qr-border);
  border-radius: 14px; padding: 2rem 1.5rem 1.5rem;
  text-align: center; position: relative; height: 100%;
  transition: border-color .2s;
}
.qr-step-card:hover { border-color: rgba(22,163,74,.4); }
.qr-step-num {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 26px; background: var(--qr-green); color: #fff;
  font-size: .77rem; font-weight: 700; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.qr-step-icon { color: var(--qr-green); margin-bottom: .7rem; }
.qr-step-title { font-size: .97rem; font-weight: 700; color: var(--qr-text); margin-bottom: .4rem; }
.qr-step-desc  { font-size: .85rem; color: var(--qr-muted); margin: 0; line-height: 1.6; }

/* ── Feature cards ── */
.qr-feature-card {
  background: var(--qr-dark3); border: 1px solid var(--qr-border);
  border-radius: 12px; padding: 1.3rem; height: 100%;
  transition: border-color .2s;
}
.qr-feature-card:hover { border-color: rgba(22,163,74,.35); }
.qr-feature-dot { width: 8px; height: 8px; background: var(--qr-green); border-radius: 50%; margin-bottom: .6rem; }
.qr-feature-title { font-size: .92rem; font-weight: 700; color: var(--qr-text); margin-bottom: .3rem; }
.qr-feature-desc  { font-size: .83rem; color: var(--qr-muted); margin: 0; line-height: 1.6; }

/* ── FAQ ── */
.qr-faq-item { border-bottom: 1px solid var(--qr-border); }
.qr-faq-item:last-child { border-bottom: none; }
.qr-faq-btn {
  width: 100%; background: transparent; border: none;
  color: var(--qr-text); font-size: .93rem; font-weight: 600;
  padding: 1rem 0; text-align: left; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: .75rem;
  font-family: inherit; line-height: 1.4;
}
.qr-faq-btn.qr-faq-open { color: var(--qr-green-light); }
.qr-faq-arrow { flex-shrink: 0; transition: transform .2s; color: var(--qr-muted); }
.qr-faq-body { font-size: .9rem; color: var(--qr-muted); line-height: 1.75; padding: 0 0 1rem; }

/* ── Blog cards ── */
.qr-blog-card {
  background: var(--qr-dark3); border: 1px solid var(--qr-border);
  border-radius: 12px; padding: 1.3rem; height: 100%;
  transition: border-color .2s;
}
.qr-blog-card:hover { border-color: rgba(22,163,74,.35); }
.qr-blog-card-tag {
  font-size: .7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--qr-green-light);
  margin-bottom: .5rem;
}
.qr-blog-card-title { font-size: .93rem; font-weight: 700; color: var(--qr-text); margin-bottom: .4rem; line-height: 1.4; }
.qr-blog-card-title a { color: inherit; text-decoration: none; }
.qr-blog-card-title a:hover { color: var(--qr-green-light); text-decoration: none; }
.qr-blog-card-desc { font-size: .82rem; color: var(--qr-muted); margin-bottom: .8rem; line-height: 1.6; }
.qr-blog-card-link { color: var(--qr-green-light); font-size: .82rem; font-weight: 600; text-decoration: none; }
.qr-blog-card-link:hover { color: #fff; text-decoration: none; }

/* ── Use-case type pills ── */
.qr-use-pill {
  display: inline-flex; align-items: center; gap: .4rem;
  background: rgba(22,163,74,.1); border: 1px solid rgba(22,163,74,.2);
  color: var(--qr-green-light); border-radius: 20px;
  font-size: .75rem; font-weight: 600; padding: .25rem .7rem;
}

/* ── CTA ── */
.qr-cta-section {
  background: linear-gradient(135deg, #0a1a0a 0%, #0f2010 100%);
  border-top: 1px solid rgba(22,163,74,.15);
}
.qr-cta-title { font-size: clamp(1.5rem, 4vw, 2.2rem); font-weight: 800; color: var(--qr-text); margin-bottom: .5rem; }
.qr-cta-sub { color: var(--qr-muted); margin-bottom: 1.5rem; }

/* ── Footer ── */
.qr-footer {
  background: #060b06;
  border-top: 1px solid var(--qr-border);
  padding: 2rem 0;
}
.qr-footer-tagline { font-size: .82rem; color: rgba(148,163,148,.45); margin: .3rem 0 0; }
.qr-footer-nav { display: flex; flex-wrap: wrap; gap: .25rem .75rem; }
.qr-footer-nav a { font-size: .83rem; color: rgba(148,163,148,.5); text-decoration: none; }
.qr-footer-nav a:hover { color: var(--qr-text); }
.qr-footer-copy { font-size: .82rem; color: rgba(148,163,148,.35); }

/* ── Comparison table ── */
.qr-compare-table {
  width: 100%; border-collapse: collapse; font-size: .85rem;
}
.qr-compare-table th {
  background: var(--qr-dark4); color: var(--qr-text);
  padding: .7rem 1rem; text-align: left; font-weight: 700;
  border-bottom: 2px solid var(--qr-border);
}
.qr-compare-table td {
  padding: .65rem 1rem; color: var(--qr-muted);
  border-bottom: 1px solid var(--qr-border);
}
.qr-compare-table tr:hover td { background: rgba(255,255,255,.02); }
.qr-check { color: var(--qr-green-light); font-weight: 700; }
.qr-cross  { color: #f87171; }
.qr-highlight td { color: var(--qr-text); font-weight: 600; }
.qr-highlight td:first-child { color: var(--qr-green-light); }