* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, Arial, sans-serif;
  background: radial-gradient(circle at top, #24304a 0, #10131b 45%, #080a0f 100%);
  color: #fff;
}
.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
}
.card {
  width: 100%;
  max-width: 620px;
  padding: 38px 28px;
  text-align: center;
  background: rgba(20, 24, 35, .88);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 26px;
  box-shadow: 0 24px 80px rgba(0,0,0,.45);
  backdrop-filter: blur(16px);
}
.logo {
  width: 64px; height: 64px;
  margin: 0 auto 18px;
  display: grid; place-items: center;
  border-radius: 20px;
  background: linear-gradient(135deg, #ff2d55, #7c3cff);
  font-size: 28px;
}
h1 { margin: 0 0 10px; font-size: clamp(30px, 7vw, 46px); }
.subtitle { margin: 0 auto 28px; color: #aeb6c8; line-height: 1.5; }
.input-wrap {
  display: flex;
  gap: 9px;
  padding: 7px;
  background: #0d1018;
  border: 1px solid #303747;
  border-radius: 15px;
}
input {
  min-width: 0;
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  color: white;
  padding: 13px;
  font-size: 15px;
}
input::placeholder { color: #687186; }
button {
  border: 0;
  cursor: pointer;
  font-weight: 700;
}
#pasteBtn {
  padding: 0 14px;
  border-radius: 10px;
  background: #252c3b;
  color: white;
}
.main-btn {
  width: 100%;
  margin-top: 13px;
  padding: 16px;
  border-radius: 13px;
  color: white;
  background: linear-gradient(135deg, #ff2d55, #7c3cff);
  font-size: 16px;
}
.main-btn:hover, .download-btn:hover { filter: brightness(1.08); }
.result {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 13px;
  margin-top: 20px;
  padding: 15px;
  text-align: left;
  border-radius: 15px;
  background: #121827;
  border: 1px solid #2d3749;
}
.result p { margin: 4px 0 0; color: #9ea8bb; font-size: 13px; word-break: break-word; }
.status-icon {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: #183e2b;
  color: #54e18b;
}
.download-btn {
  padding: 11px 14px;
  border-radius: 10px;
  background: #fff;
  color: #111;
}
.note { margin: 24px 0 0; color: #6f788b; font-size: 12px; line-height: 1.5; }
.hidden { display: none; }

@media (max-width: 520px) {
  .card { padding: 30px 17px; }
  .input-wrap { flex-direction: column; padding: 8px; }
  #pasteBtn { padding: 12px; }
  .result { grid-template-columns: auto 1fr; }
  .download-btn { grid-column: 1 / -1; width: 100%; }
}

.loading-spinner {
  width: 22px;
  height: 22px;
  border: 3px solid rgba(255,255,255,.25);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}