:root {
  --bg: #070b15;
  --surface: rgba(13, 18, 32, 0.72);
  --surface-strong: rgba(14, 20, 35, 0.9);
  --text: #f8fbff;
  --muted: #a9b3c7;
  --line: rgba(255, 255, 255, 0.13);
  --primary: #2563eb;
  --cyan: #06b6d4;
  --pink: #ec4899;
  --green: #10b981;
  --shadow: 0 24px 76px rgba(0, 0, 0, 0.34);
  --radius: 22px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(37, 99, 235, 0.18), transparent 30rem),
    radial-gradient(circle at 86% 2%, rgba(236, 72, 153, 0.15), transparent 27rem),
    radial-gradient(circle at 50% 100%, rgba(6, 182, 212, 0.11), transparent 32rem),
    var(--bg);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body.dark {
  --bg: #080b14;
  --surface: rgba(13, 18, 32, 0.72);
  --surface-strong: rgba(12, 17, 29, 0.94);
  --text: #f8fbff;
  --muted: #a7b1c3;
  --line: rgba(255, 255, 255, 0.14);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
}
body.light {
  --bg: #fbfcff;
  --surface: rgba(255, 255, 255, 0.76);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --text: #111827;
  --muted: #657084;
  --line: rgba(20, 35, 70, 0.12);
  --shadow: 0 24px 70px rgba(37, 99, 235, 0.13);
  background:
    radial-gradient(circle at 12% 10%, rgba(6, 182, 212, 0.18), transparent 30rem),
    radial-gradient(circle at 86% 2%, rgba(236, 72, 153, 0.14), transparent 27rem),
    radial-gradient(circle at 50% 100%, rgba(16, 185, 129, 0.12), transparent 32rem),
    var(--bg);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
input, select, textarea { font-size: 16px; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.rgb-line {
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--cyan), var(--pink), var(--green));
  background-size: 280% 100%;
  animation: flow 6s linear infinite;
}
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 11, 21, 0.7);
  backdrop-filter: blur(24px);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.2);
}
body.dark .nav { background: rgba(8, 11, 20, 0.66); }
body.light .nav { background: rgba(255, 255, 255, 0.7); }
.nav-inner {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-width: 0;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 850; letter-spacing: 0; min-width: 0; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  color: white; font-weight: 900;
  background: conic-gradient(from 130deg, #2563eb, #06b6d4, #ec4899, #10b981, #2563eb);
  box-shadow: 0 14px 36px rgba(37, 99, 235, 0.28);
}
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  padding: 10px 12px;
  color: var(--muted);
  font-weight: 700;
  border-radius: 999px;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav-links a:hover { transform: translateY(-1px); }
.nav-links a:hover, .nav-links a.active { background: rgba(255,255,255,.08); color: var(--text); box-shadow: 0 12px 32px rgba(37,99,235,.12); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn, .menu-btn {
  width: 44px; height: 44px; border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  display: grid; place-items: center;
  flex: 0 0 auto;
}
.icon-btn:hover, .menu-btn:hover { border-color: rgba(37,99,235,.32); box-shadow: 0 12px 28px rgba(37,99,235,.12); }
.theme-toggle {
  width: auto;
  min-width: 178px;
  padding: 0 14px;
  grid-auto-flow: column;
  gap: 8px;
  font-weight: 800;
  white-space: nowrap;
}
.theme-toggle span { font-size: 13px; }
.menu-btn { display: none; }
.btn {
  border: 0;
  cursor: pointer;
  border-radius: 16px;
  padding: 13px 18px;
  font-weight: 850;
  color: white;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  box-shadow: 0 18px 42px rgba(37, 99, 235, 0.28);
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 24px 54px rgba(37, 99, 235, 0.36); filter: saturate(1.08); }
.btn.secondary { color: var(--text); background: var(--surface-strong); border: 1px solid var(--line); box-shadow: none; }
.btn:disabled {
  cursor: wait;
  opacity: .68;
  transform: none;
  box-shadow: none;
}
.hero {
  padding: 76px 0 42px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 42px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-weight: 800;
}
h1 {
  font-size: 4.75rem;
  line-height: 1;
  margin: 16px 0 16px;
  letter-spacing: 0;
  max-width: 11ch;
}
.gradient-text { background: linear-gradient(90deg, #2563eb, #06b6d4, #ec4899); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 1.13rem; line-height: 1.65; color: var(--muted); margin: 0 0 26px; max-width: 62ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-panel, .tool-panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(17,24,39,.78), rgba(10,15,28,.68));
  backdrop-filter: blur(24px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
body.light .hero-panel,
body.light .tool-panel {
  background: rgba(255, 255, 255, 0.76);
}
.hero-panel { padding: 24px; }
.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.stat {
  min-height: 130px;
  padding: 20px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.58);
  overflow: hidden;
  position: relative;
}
body.dark .stat { background: rgba(255,255,255,.06); }
.stat::after {
  content: "";
  position: absolute;
  inset: auto -20% -50% 10%;
  height: 90px;
  background: linear-gradient(90deg, rgba(37,99,235,.22), rgba(236,72,153,.18));
  filter: blur(26px);
}
.stat strong { display: block; font-size: 30px; margin-bottom: 8px; }
.stat span { color: var(--muted); font-weight: 700; }
.quick-panel {
  display: grid;
  gap: 16px;
}
.quick-panel h2 {
  margin: 0;
  font-size: 2.1rem;
  line-height: 1.12;
}
.quick-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-weight: 700;
}
.quick-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.quick-actions a {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--text);
  font-weight: 850;
  box-shadow: 0 10px 28px rgba(15, 23, 42, .05);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.quick-actions a:hover {
  transform: translateY(-2px);
  border-color: rgba(37,99,235,.38);
  box-shadow: 0 18px 40px rgba(37,99,235,.12);
}
.section { padding: 44px 0; }
.ad-slot {
  min-height: 84px;
  margin-top: 22px;
  margin-bottom: 22px;
  border: 1px dashed rgba(37, 99, 235, .32);
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.78), rgba(255,255,255,.42)),
    radial-gradient(circle at 10% 20%, rgba(6,182,212,.15), transparent 22rem),
    radial-gradient(circle at 90% 40%, rgba(236,72,153,.13), transparent 20rem);
  color: var(--muted);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 18px;
  backdrop-filter: blur(18px);
  max-width: min(970px, calc(100% - 40px));
}
body.dark .ad-slot {
  background:
    linear-gradient(135deg, rgba(13,18,32,.78), rgba(13,18,32,.42)),
    radial-gradient(circle at 10% 20%, rgba(6,182,212,.13), transparent 22rem),
    radial-gradient(circle at 90% 40%, rgba(236,72,153,.11), transparent 20rem);
}
body.light .ad-slot {
  background:
    linear-gradient(135deg, rgba(255,255,255,.82), rgba(255,255,255,.52)),
    radial-gradient(circle at 10% 20%, rgba(6,182,212,.13), transparent 22rem),
    radial-gradient(circle at 90% 40%, rgba(236,72,153,.11), transparent 20rem);
}
.ad-slot span {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 850;
}
.ad-slot strong { color: var(--text); margin-top: 4px; font-size: 1rem; }
.ad-slot-2 { min-height: 96px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 22px; margin-bottom: 22px; }
.section-head h2 { margin: 0; font-size: 2.6rem; line-height: 1.08; }
.section-head p { margin: 8px 0 0; color: var(--muted); line-height: 1.6; }
.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(420px, 100%);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 12px 14px;
  background: var(--surface-strong);
}
.search-box input { width: 100%; border: 0; outline: 0; background: transparent; color: var(--text); font: inherit; }
.tools-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(235px, 1fr)); gap: 18px; }
.tool-card {
  position: relative;
  min-height: 224px;
  padding: 22px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(17,24,39,.74), rgba(10,15,28,.62));
  backdrop-filter: blur(20px);
  box-shadow: 0 12px 42px rgba(0,0,0,.18);
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
  overflow: hidden;
  isolation: isolate;
  display: flex;
  flex-direction: column;
}
.tool-card-link {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}
.tool-hide-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--muted);
  min-height: 34px;
  padding: 7px 11px;
  font-weight: 850;
  cursor: pointer;
}
.tool-hide-btn:hover {
  color: var(--text);
  border-color: rgba(37, 99, 235, .38);
}
.tool-status {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  border: 1px solid rgba(245, 158, 11, .38);
  border-radius: 999px;
  background: rgba(245, 158, 11, .14);
  color: #fbbf24;
  min-height: 34px;
  padding: 7px 11px;
  font-size: .78rem;
  font-weight: 900;
}
.tool-card.coming-soon {
  opacity: .78;
}
.tool-card.coming-soon:hover {
  transform: none;
}
.tool-card.coming-soon .tool-card-link {
  cursor: default;
}
.tool-card.coming-soon .open {
  color: #fbbf24;
}
.hidden-tools-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.hidden-tools-bar span {
  color: var(--muted);
  font-weight: 850;
}
.hidden-tools-bar button {
  border: 1px solid var(--line);
  border-radius: 999px;
  min-height: 38px;
  padding: 8px 12px;
  background: var(--surface-strong);
  color: var(--text);
  font-weight: 850;
  cursor: pointer;
}
body.light .tool-card {
  border-color: rgba(20, 35, 70, 0.12);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 12px 42px rgba(17,24,39,.07);
}
.tool-card:hover { transform: translateY(-5px); border-color: rgba(6,182,212,.38); box-shadow: 0 24px 70px rgba(37,99,235,.16); }
.tool-card::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto auto;
  width: 150px; height: 150px;
  background: var(--accent, rgba(37,99,235,.18));
  filter: blur(34px);
}
.tool-icon {
  width: 56px; height: 56px; border-radius: 18px;
  display: grid; place-items: center;
  color: white;
  background: var(--accent-solid, linear-gradient(135deg,#2563eb,#06b6d4));
  margin-bottom: 18px;
  box-shadow: 0 16px 34px rgba(37, 99, 235, .2);
  overflow: hidden;
}
.tool-icon svg { display: block; }
.tool-icon[data-tool="youtube"],
.tool-icon[data-tool="thumbnail"],
.tool-icon[data-tool="instagram"],
.tool-icon[data-tool="pinterest"] {
  background: rgba(255, 255, 255, .96) !important;
  color: #111827;
}
.tool-card:hover .tool-icon { transform: scale(1.03); transition: transform .2s ease; }
.tool-card h3 { margin: 0 0 10px; font-size: 19px; letter-spacing: 0; }
.tool-card p { margin: 0 0 20px; color: var(--muted); line-height: 1.58; font-size: .96rem; }
.tool-card .open { font-weight: 850; color: var(--primary); margin-top: auto; }
.tool-shell { padding: 38px 0; }
.tool-panel {
  padding: 22px;
  display: grid;
  grid-template-columns: minmax(260px, .82fr) minmax(0, 1.18fr);
  gap: 22px;
  align-items: start;
}
.tool-page .tool-panel {
  max-width: 1080px;
}
.tool-intro h1 { font-size: 3.4rem; max-width: 12ch; }
.form-stack { display: grid; gap: 14px; align-content: start; min-width: 0; }
.pro-form {
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px;
  background: rgba(255,255,255,.045);
  padding: 14px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
body.light .pro-form {
  border-color: rgba(20, 35, 70, .1);
  background: rgba(255,255,255,.55);
}
.control-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.invoice-address-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.invoice-address-grid label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 850;
}
.invoice-table-editor {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-strong);
}
.invoice-row {
  min-width: 720px;
  display: grid;
  grid-template-columns: 58px minmax(220px, 1fr) 94px 120px 132px;
  align-items: center;
  gap: 0;
}
.invoice-row > span,
.invoice-row > input {
  border-radius: 0;
  border-width: 0 1px 1px 0;
  min-height: 46px;
}
.invoice-row > span {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 850;
  border-color: var(--line);
  border-style: solid;
}
.invoice-head {
  background: rgba(17, 24, 39, .92);
}
.invoice-head span {
  color: white;
  min-height: 42px;
}
.result-preview-image {
  width: min(100%, 520px);
  max-height: 360px;
  object-fit: contain;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: white;
  margin-top: 12px;
}
.result-preview-frame {
  width: 100%;
  height: min(62vh, 520px);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: white;
  margin-top: 12px;
}
.control-grid label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 850;
  min-width: 0;
}
.control-grid input[type="color"] {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 6px;
  background: var(--surface-strong);
  cursor: pointer;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-content: start;
}
.trust-item {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
  padding: 16px;
  min-height: 116px;
}
.trust-item strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.02rem;
}
.trust-item span {
  color: var(--muted);
  line-height: 1.55;
  font-weight: 650;
}
.input, select, input[type="range"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(12, 18, 32, .86);
  color: var(--text);
  padding: 14px 15px;
  outline: none;
  font: inherit;
  min-height: 48px;
}
select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 48px;
  background-color: rgba(12, 18, 32, .86);
  background-image: url("data:image/svg+xml,%3Csvg width='18' height='18' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='m6 9 6 6 6-6' stroke='%23e5e7eb' stroke-width='2.25' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  background-size: 18px;
}
.range-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px 12px;
  color: var(--muted);
  font-weight: 850;
}
.range-control input[type="range"] {
  grid-column: 1 / -1;
  padding: 0;
  min-height: 28px;
  accent-color: var(--primary);
}
.range-value {
  min-width: 46px;
  text-align: center;
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--text);
  background: var(--surface-strong);
  border: 1px solid var(--line);
  font-size: .86rem;
}
.input:focus, select:focus {
  border-color: rgba(37,99,235,.46);
  box-shadow: 0 0 0 4px rgba(37,99,235,.1);
}
body.light .input,
body.light select,
body.light input[type="range"] {
  background-color: rgba(255, 255, 255, .94);
}
body.light select {
  background-color: rgba(255, 255, 255, .94);
  background-image: url("data:image/svg+xml,%3Csvg width='18' height='18' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='m6 9 6 6 6-6' stroke='%23111827' stroke-width='2.25' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  background-size: 18px;
}
.upload-zone {
  min-height: 188px;
  border: 1.5px dashed rgba(37, 99, 235, 0.42);
  border-radius: 22px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
  background: rgba(37, 99, 235, 0.06);
  cursor: pointer;
  transition: transform .2s ease, background .2s ease;
  user-select: none;
  min-width: 0;
}
.upload-zone svg {
  width: 34px;
  height: 34px;
  color: var(--primary);
}
.upload-zone h3 { margin: 10px 0 6px; }
.upload-zone p { margin: 0; color: var(--muted); overflow-wrap: anywhere; }
.upload-zone:hover { background: rgba(37, 99, 235, 0.07); border-color: rgba(37, 99, 235, 0.62); }
body.light .upload-zone { background: rgba(37, 99, 235, 0.04); }
.upload-zone.dragover { transform: scale(.99); background: rgba(6,182,212,.1); }
.upload-zone input { display: none; }
.preview-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.preview-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
  padding: 12px;
  min-height: 132px;
  min-width: 0;
}
body.light .preview-card,
body.light .link-preview,
body.light .result-box,
body.light .trust-item {
  background: rgba(255, 255, 255, .9);
}
.preview-card span { display: block; font-weight: 850; margin-bottom: 10px; color: var(--muted); }
.preview-card img, .preview-card video {
  width: min(100%, 180px);
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 14px;
  background:
    linear-gradient(45deg, rgba(148,163,184,.16) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(148,163,184,.16) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(148,163,184,.16) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(148,163,184,.16) 75%);
  background-size: 18px 18px;
  background-position: 0 0, 0 9px, 9px -9px, -9px 0;
  margin: 0 auto;
}
.watermark-stage {
  position: relative;
  width: min(100%, 280px);
  margin: 0 auto;
  line-height: 0;
  touch-action: none;
}
.watermark-stage img {
  width: 100%;
  aspect-ratio: auto;
}
.watermark-marker {
  position: absolute;
  max-width: 72%;
  border: 0;
  border-radius: 10px;
  padding: 7px 10px;
  background: rgba(255, 255, 255, .62);
  box-shadow: 0 8px 24px rgba(15, 23, 42, .18);
  color: #111827;
  font-weight: 900;
  line-height: 1.1;
  cursor: grab;
  overflow-wrap: anywhere;
  text-align: center;
  transform-origin: center;
  touch-action: none;
}
.watermark-marker:active { cursor: grabbing; }
.watermark-marker[data-badge="none"] {
  padding: 0;
  background: transparent;
  box-shadow: none;
  text-shadow: 0 1px 8px rgba(0,0,0,.34);
}
.watermark-marker[data-badge="dark"] {
  background: rgba(15, 23, 42, .72);
  color: white !important;
}
.watermark-marker[data-badge="light"] {
  background: rgba(255, 255, 255, .82);
}
.watermark-stage.is-tile::after {
  content: "Repeat tile mode";
  position: absolute;
  right: 8px;
  bottom: 8px;
  border-radius: 999px;
  padding: 5px 8px;
  background: rgba(15,23,42,.76);
  color: white;
  font-size: 11px;
  font-weight: 850;
  line-height: 1;
}
.result-box {
  display: none;
  border: 1px solid rgba(16,185,129,.28);
  background: rgba(16,185,129,.08);
  border-radius: 18px;
  padding: 14px;
  overflow-wrap: anywhere;
}
.result-box p { margin: 6px 0 0; color: var(--muted); line-height: 1.45; }
.result-box.show { display: block; }
.result-box.error {
  border-color: rgba(239,68,68,.3);
  background: rgba(239,68,68,.08);
}
.result-box.error .result-head span {
  border-color: rgba(239,68,68,.24);
  color: #ef4444;
  background: rgba(239,68,68,.08);
}
.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.result-head span,
.result-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 5px 9px;
  border: 1px solid rgba(16,185,129,.22);
  color: var(--green);
  background: rgba(16,185,129,.08);
  font-size: .82rem;
  font-weight: 850;
}
.result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.result-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.result-actions .btn {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
}
.link-preview {
  display: none;
  grid-template-columns: minmax(190px, 250px) minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  border: 1px solid rgba(37,99,235,.18);
  border-radius: 18px;
  padding: 12px;
  background: var(--surface-strong);
  box-shadow: 0 16px 38px rgba(17,24,39,.08);
  min-width: 0;
}
.link-preview.show { display: grid; }
.preview-media {
  width: 100%;
  min-width: 0;
  display: grid;
  place-items: center;
}
.link-preview img,
.link-preview video,
.link-preview iframe,
.preview-fallback {
  width: 100%;
  max-height: min(42vh, 300px);
  aspect-ratio: var(--preview-ratio, 16 / 9);
  border-radius: 14px;
  object-fit: cover;
  background:
    linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02)),
    linear-gradient(135deg, rgba(37,99,235,.18), rgba(236,72,153,.16));
  box-shadow: 0 14px 32px rgba(15, 23, 42, .18);
}
.link-preview video {
  display: block;
}
.link-preview iframe {
  border: 0;
  display: block;
  height: auto;
  background: var(--surface-strong);
}
.link-preview.embed-preview {
  grid-template-columns: minmax(190px, 250px) minmax(0, 1fr);
  align-items: start;
}
.link-preview.is-portrait {
  grid-template-columns: minmax(170px, 220px) minmax(0, 1fr);
}
.link-preview.is-portrait .preview-media {
  justify-self: center;
}
.preview-fallback {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 850;
}
.link-preview strong {
  display: -webkit-box;
  line-clamp: 3;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.35;
  font-size: 1.04rem;
}
.link-preview p { margin: 7px 0 0; color: var(--muted); font-weight: 700; font-size: .9rem; }
.tool-seo-copy {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  margin-top: 6px;
  padding-top: 20px;
  color: var(--muted);
}
.tool-seo-copy h2 {
  color: var(--text);
  font-size: 1.45rem;
  line-height: 1.2;
  margin: 0 0 10px;
}
.tool-seo-copy h3 {
  color: var(--text);
  font-size: 1rem;
  margin: 18px 0 6px;
}
.tool-seo-copy p {
  margin: 0 0 10px;
  line-height: 1.7;
  font-weight: 650;
}
.progress-wrap { display: none; height: 10px; border-radius: 999px; background: rgba(37,99,235,.12); overflow: hidden; }
.progress-wrap.show { display: block; }
.progress-bar { width: 12%; height: 100%; background: linear-gradient(90deg,var(--primary),var(--cyan),var(--pink)); animation: progress 1.1s ease-in-out infinite; }
.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 100;
  display: grid;
  gap: 10px;
}
.toast-item {
  max-width: 360px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
  font-weight: 750;
}
.spinner {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  z-index: 90;
  background: rgba(255,255,255,.46);
  backdrop-filter: blur(8px);
}
body.dark .spinner { background: rgba(0,0,0,.38); }
.spinner.show { display: grid; }
.loader {
  width: 62px; height: 62px; border-radius: 999px;
  border: 5px solid rgba(37,99,235,.16);
  border-top-color: var(--primary);
  animation: spin .8s linear infinite;
}
.footer {
  margin-top: 48px;
  border-top: 1px solid var(--line);
  padding: 32px 0;
  color: var(--muted);
}
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.policy-links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.policy-links a {
  color: var(--text);
  font-weight: 800;
  border-bottom: 1px solid transparent;
}
.policy-links a:hover { border-color: var(--primary); color: var(--primary); }
.legal-page {
  padding: 54px 0;
}
.legal-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
  padding: 30px;
}
.legal-panel h1 {
  font-size: 3.2rem;
  max-width: none;
}
.legal-panel h2 {
  margin: 28px 0 10px;
  font-size: 1.45rem;
}
.legal-panel p,
.legal-panel li {
  color: var(--muted);
  line-height: 1.75;
}
.legal-panel ul {
  padding-left: 20px;
}
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes flow { to { background-position: 280% 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes progress { 0% { transform: translateX(-110%); } 100% { transform: translateX(760%); } }
@media (max-width: 980px) {
  h1 { font-size: 3.7rem; max-width: 12ch; }
  .lead { font-size: 1.08rem; }
  .section-head h2 { font-size: 2.25rem; }
  .tool-intro h1 { font-size: 2.9rem; }
  .hero-grid, .tool-panel { grid-template-columns: 1fr; }
  .tool-panel { max-width: 760px; }
  .tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-head { align-items: start; flex-direction: column; }
  .nav-links {
    position: fixed;
    inset: 77px 16px auto 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--surface-strong);
    box-shadow: var(--shadow);
    max-height: min(70vh, 460px);
    overflow: auto;
  }
  .nav-links a { min-height: 44px; display: flex; align-items: center; }
  .nav-links.open { display: flex; }
  .menu-btn { display: grid; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1160px); }
  .nav-inner { height: 66px; gap: 10px; }
  .brand-mark { width: 40px; height: 40px; border-radius: 13px; }
  .hero { padding: 34px 0 24px; }
  h1 { font-size: 2.85rem; line-height: 1.03; max-width: 10.5ch; }
  .lead { font-size: 1rem; line-height: 1.58; }
  .section { padding: 34px 0; }
  .section-head h2 { font-size: 2rem; }
  .tool-intro h1 { font-size: 2.35rem; max-width: 11ch; }
  .tools-grid, .stat-grid, .preview-grid { grid-template-columns: 1fr; }
  .quick-actions { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .brand span { max-width: 130px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .tool-shell { padding: 22px 0; }
  .tool-panel { padding: 14px; border-radius: 20px; gap: 16px; }
  .pro-form { padding: 12px; border-radius: 18px; }
  .control-grid { grid-template-columns: 1fr; }
  .invoice-address-grid { grid-template-columns: 1fr; }
  .link-preview {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 12px;
    justify-items: stretch;
  }
  .link-preview.embed-preview,
  .link-preview.is-portrait { grid-template-columns: 1fr; }
  .preview-media {
    width: min(100%, 240px);
    justify-self: center;
    display: grid;
    place-items: center;
  }
  .link-preview img,
  .link-preview video,
  .link-preview iframe,
  .preview-fallback {
    width: 100%;
    max-height: none;
    aspect-ratio: var(--preview-ratio, 16 / 9);
    object-fit: cover;
    border-radius: 14px;
  }
  .link-preview iframe {
    height: auto;
  }
  .preview-meta { width: 100%; }
  .link-preview strong {
    line-clamp: 3;
    -webkit-line-clamp: 3;
  }
  .link-preview p {
    margin-top: 5px;
    white-space: normal;
  }
  .tool-card { min-height: 190px; padding: 18px; }
  .upload-zone { min-height: 142px; padding: 16px; }
  .preview-card { min-height: 118px; }
  .preview-card img, .preview-card video { width: min(100%, 150px); }
  .watermark-stage { width: min(100%, 230px); }
  .result-actions { grid-template-columns: 1fr; }
  .toast { left: 14px; right: 14px; bottom: 14px; }
  .toast-item { max-width: none; }
  .ad-slot { margin-top: 18px; margin-bottom: 18px; max-width: min(100% - 28px, 970px); }
  .search-box { width: 100%; }
  .footer { margin-top: 34px; padding-bottom: calc(28px + env(safe-area-inset-bottom)); }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .policy-links { gap: 10px 14px; }
  .theme-toggle { min-width: 0; width: 44px; padding: 0; }
  .theme-toggle span { display: none; }
}

@media (max-width: 420px) {
  .container { width: min(100% - 22px, 1160px); }
  h1 { font-size: 2.45rem; }
  .tool-intro h1 { font-size: 2.05rem; }
  .brand span { max-width: 118px; }
  .stat { min-height: 112px; padding: 16px; }
  .stat strong { font-size: 26px; }
  .ad-slot { min-height: 76px; padding: 14px; }
  .legal-panel { padding: 20px; }
  .legal-panel h1 { font-size: 2.15rem; }
  .nav-actions { gap: 8px; }
  .icon-btn, .menu-btn { width: 40px; height: 40px; }
  .eyebrow { max-width: 100%; white-space: normal; line-height: 1.35; }
  .tool-icon { width: 48px; height: 48px; border-radius: 16px; }
  .tool-card h3 { font-size: 19px; }
}

@media (max-width: 360px) {
  .container { width: min(100% - 18px, 1160px); }
  h1 { font-size: 2.18rem; }
  .tool-intro h1 { font-size: 1.86rem; }
  .brand span { max-width: 96px; }
  .nav-links { inset-left: 9px; inset-right: 9px; }
  .tool-panel { padding: 14px; }
  .input, select, input[type="range"], .btn { border-radius: 14px; }
}

@media (hover: none) {
  .btn:hover,
  .tool-card:hover,
  .nav-links a:hover {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}