body {
  background: #090e09;
  color: #baffba;
  font-family: 'Segoe UI', 'Cairo', Arial, sans-serif;
  margin: 0;
  min-height: 100vh;
  letter-spacing: 0.05em;
}
.container {
  max-width: 1100px;
  margin: 50px auto 30px auto;
  background: #151c13;
  padding: 48px 36px 38px 36px;
  border-radius: 24px;
  box-shadow: 0 8px 38px 0 #00ff2f22, 0 4px 24px #00ff2f1e;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  border: 2.5px solid #39ff14b7;
  min-height: 700px;
}
h1 {
  text-align: center;
  margin: 0 0 32px;
  color: #39ff14;
  font-size: 2.5em;
  font-weight: bold;
  letter-spacing: 3px;
  text-shadow: 0 0 14px #39ff1455;
}
.label {
  margin-bottom: 12px;
  font-size: 1.28em;
  color: #2fff86;
  font-weight: 600;
  display: block;
}
input[type="text"] {
  width: 100%;
  padding: 18px;
  border: 2.5px solid #27ff3f80;
  border-radius: 11px;
  margin-bottom: 24px;
  font-size: 1.25em;
  background: #0c110a;
  color: #39ff14;
  outline: none;
  box-shadow: 0 2px 18px 0 #39ff1420;
  transition: border 0.18s, background 0.18s;
}
input[type="text"]:focus {
  border: 2.5px solid #39ff14;
  background: #1b2c1a;
}
.options {
  display: flex;
  gap: 24px;
  margin-bottom: 30px;
  flex-wrap: wrap;
  font-size: 1.18em;
  justify-content: center;
}
.options label {
  cursor: pointer;
  color: #aaffd6;
  font-weight: 500;
  background: #112611;
  border-radius: 7px;
  padding: 6px 22px 6px 12px;
  transition: background 0.18s, color 0.13s;
  border: 1.5px solid #39ff1432;
}
.options label:hover {
  background: #193f19;
  color: #39ff14;
  border: 1.5px solid #39ff14;
}
input[type="checkbox"] {
  accent-color: #39ff14;
  margin-right: 7px;
  transform: scale(1.21);
}
.main-btn {
  background: linear-gradient(90deg,#18ff60 0%,#39ff14 100%);
  color: #0a0c0a;
  border: none;
  border-radius: 9px;
  font-size: 1.23em;
  font-weight: 700;
  cursor: pointer;
  padding: 17px 0;
  margin-bottom: 28px;
  box-shadow: 0 1px 22px #39ff1440;
  letter-spacing: 1.9px;
  outline: none;
  transition: background 0.18s, color 0.18s, box-shadow 0.20s;
  width: 100%;
  max-width: 360px;
  align-self: center;
}
.main-btn:hover {
  background: #1aff68;
  color: #070b08;
  box-shadow: 0 2px 26px #39ff1459;
}
#results {
  margin-top: 16px;
  user-select: text;
  width: 100%;
}
.spoof-table {
  width: 99%;
  border-collapse: collapse;
  margin: 0 auto 0 auto;
  background: #161f14;
  border-radius: 14px;
  overflow: hidden;
  font-size: 1.13em;
  box-shadow: 0 1px 22px #27ff3f2e;
  table-layout: fixed;
}
.spoof-table th, .spoof-table td {
  padding: 11px 8px;
  text-align: left;
  word-break: break-word;
  font-size: 1em;
}
.spoof-table th {
  background: #102b0d;
  color: #39ff14;
  font-weight: bold;
  border-bottom: 2.5px solid #39ff146e;
  letter-spacing: 1.5px;
}
.spoof-table tr:nth-child(even) {
  background: #1b2d1b99;
}
.spoof-table tr:hover {
  background: #233c23;
  color: #baffba;
}
.copy-btn {
  background: #182218;
  color: #39ff14;
  border: 2px solid #39ff14b0;
  border-radius: 7px;
  padding: 7px 22px;
  cursor: pointer;
  font-size: 1.07em;
  margin-left: 2px;
  transition: background 0.14s, color 0.14s;
  font-weight: 600;
}
.copy-btn:hover, .copy-btn.copied {
  background: #39ff14;
  color: #0a0c0a;
}
.side-by-side {
  display: flex;
  align-items: center;
  gap: 2.5px;
  font-family: 'Fira Mono', 'Consolas', monospace;
  font-size: 1.03em;
}
.diff-char {
  background: #39ff14;
  color: #0a0c0a;
  border-radius: 5px;
  padding: 0 9px;
  margin: 0 2px;
  font-weight: bold;
  cursor: pointer;
  border-bottom: 2px dotted #baffba;
  box-shadow: 0 0 8px #39ff1492;
  transition: background 0.13s, color 0.13s;
}
.diff-char:hover {
  background: #00f800;
  color: #020d01;
}
.footer {
  margin-top: 28px;
  text-align: center;
  color: #39ff1499;
  font-size: 1.08em;
  letter-spacing: 1px;
}
.note {
  display: block;
  margin-top: 30px;
  text-align: center;
  color: #49ff80;
  background: #112e11;
  padding: 13px 0;
  border-radius: 7px;
  font-size: 1.09em;
}
.alert {
  background: #0d1a09;
  color: #39ff14;
  border: 2px solid #39ff14bb;
  font-weight: bold;
  border-radius: 8px;
  text-align: center;
  margin: 19px 0 0 0;
  padding: 14px 0;
  box-shadow: 0 0 16px #39ff1412;
  display: none;
  font-size: 1.15em;
}
@media (max-width: 900px) {
  .container {max-width: 99vw; min-width: 0; padding: 8px;}
  .spoof-table th, .spoof-table td { padding: 4px 2px;}
  h1 {font-size: 1.3em;}
}