:root {
  --bg: #0a0a0a;
  --cyan: #00ddff;
  --blue: #0099ff;
  --text: #e8f7ff;
  --muted: #7a9aad;
  --danger: #ff3355;
  --card: #111418;
  --border: rgba(0, 221, 255, 0.35);
  --glow: 0 0 18px rgba(0, 221, 255, 0.45), 0 0 36px rgba(0, 153, 255, 0.25);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, rgba(0, 153, 255, 0.12), transparent 55%),
    radial-gradient(900px 500px at 90% 10%, rgba(0, 221, 255, 0.08), transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a {
  color: var(--cyan);
  text-decoration: none;
}
a:hover {
  text-shadow: var(--glow);
}

.ld-skip {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.ld-skip:focus {
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 8px 12px;
  background: #000;
  border: 1px solid var(--border);
  z-index: 1000;
}

.ld-topbar {
  border-bottom: 1px solid rgba(0, 221, 255, 0.2);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.ld-topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.ld-logo {
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 1.05rem;
  color: var(--text);
}
.ld-logo-mark {
  color: var(--cyan);
  text-shadow: var(--glow);
  margin-right: 6px;
}

.ld-nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.ld-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 18px 80px;
}

.ld-hero {
  text-align: center;
  margin-bottom: 28px;
}
.ld-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: var(--glow);
}
.ld-hero p {
  margin: 0;
  color: var(--muted);
  max-width: 640px;
  margin-inline: auto;
}
.ld-hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.ld-grid-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
  margin-bottom: 22px;
}
@media (max-width: 900px) {
  .ld-grid-header {
    grid-template-columns: 1fr;
  }
}

.ld-ad-cluster {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}
@media (max-width: 900px) {
  .ld-ad-cluster {
    align-items: stretch;
  }
}

.ld-ad-slot {
  border: 1px dashed rgba(0, 221, 255, 0.25);
  border-radius: 10px;
  padding: 8px;
  background: rgba(0, 30, 40, 0.25);
  max-width: 100%;
}
.ld-ad-slot--350x50 {
  width: 350px;
  max-width: 100%;
  min-height: 50px;
}
.ld-ad-slot--728x90 {
  width: 728px;
  max-width: 100%;
  min-height: 90px;
  margin-inline: auto;
}
.ld-ad-slot--native {
  width: 100%;
  min-height: 120px;
}

.ld-card {
  background: linear-gradient(160deg, rgba(17, 20, 24, 0.95), rgba(10, 12, 14, 0.98));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 0 0 1px rgba(0, 153, 255, 0.08) inset, 0 20px 60px rgba(0, 0, 0, 0.55);
}

.ld-form-row {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: 18px;
  align-items: start;
}
@media (max-width: 980px) {
  .ld-form-row {
    grid-template-columns: 1fr;
  }
}

.ld-form-main label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 8px;
}

textarea.ld-input {
  min-height: 180px;
  resize: vertical;
}

input.ld-input,
select.ld-input,
textarea.ld-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(0, 221, 255, 0.35);
  background: rgba(0, 0, 0, 0.45);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
input.ld-input:focus,
select.ld-input:focus,
textarea.ld-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(0, 221, 255, 0.35), var(--glow);
}

.ld-hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 6px;
}

.ld-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 14px;
}
.ld-check input {
  margin-top: 4px;
}

.ld-actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.ld-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid rgba(0, 221, 255, 0.55);
  background: radial-gradient(circle at 30% 20%, rgba(0, 221, 255, 0.25), transparent 55%),
    rgba(0, 40, 60, 0.35);
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 0 18px rgba(0, 221, 255, 0.15);
  transition: transform 0.15s, box-shadow 0.2s, border-color 0.2s;
}
.ld-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--glow);
  border-color: var(--cyan);
}

.ld-btn--danger {
  border-color: rgba(255, 51, 85, 0.65);
  background: radial-gradient(circle at 30% 20%, rgba(255, 51, 85, 0.35), transparent 55%),
    rgba(40, 0, 10, 0.45);
  box-shadow: 0 0 22px rgba(255, 51, 85, 0.25);
}
.ld-btn--danger:hover {
  box-shadow: 0 0 28px rgba(255, 51, 85, 0.55);
}

.ld-btn--ghost {
  background: transparent;
}

.ld-message {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 1.15rem;
  padding: 22px;
  border-radius: 14px;
  border: 1px solid rgba(0, 221, 255, 0.45);
  background: rgba(0, 20, 30, 0.55);
  text-shadow: 0 0 12px rgba(0, 221, 255, 0.35);
  box-shadow: 0 0 40px rgba(0, 153, 255, 0.12) inset;
}

.ld-countdown {
  margin-top: 16px;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-shadow: var(--glow);
}

.ld-section {
  margin-top: 36px;
}
.ld-section h2 {
  margin: 0 0 12px;
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
}

.ld-divider {
  height: 1px;
  margin: 28px 0;
  background: linear-gradient(90deg, transparent, rgba(0, 221, 255, 0.45), transparent);
}

.ld-footer {
  border-top: 1px solid rgba(0, 221, 255, 0.15);
  padding: 28px 18px 40px;
  margin-top: 40px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}
.ld-footer-meta p {
  margin: 8px 0;
}

.ld-alert {
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(0, 221, 255, 0.35);
  background: rgba(0, 30, 45, 0.45);
  margin-bottom: 18px;
}
.ld-alert--error {
  border-color: rgba(255, 51, 85, 0.45);
  color: #ffc7d1;
}

.ld-share-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.ld-share-row a,
.ld-share-row button {
  font-size: 0.85rem;
}

.ld-legal {
  max-width: 800px;
}
.ld-legal h1 {
  color: var(--cyan);
  text-shadow: var(--glow);
}
.ld-legal h2 {
  margin-top: 28px;
  color: var(--blue);
}

code {
  color: var(--cyan);
  background: rgba(0, 40, 55, 0.5);
  padding: 2px 6px;
  border-radius: 6px;
}