:root {
  color-scheme: dark;
  --bg: #0f1115;
  --panel: #171b22;
  --border: #232832;
  --text: #f2f4f7;
  --muted: #9aa4b6;
  --accent: #4ea3ff;
  --accent-soft: rgba(78, 163, 255, 0.15);
  --error: #ff5f5f;
}

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

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top, rgba(78, 163, 255, 0.08), transparent 40%), var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 3rem 1.25rem;
  display: flex;
  justify-content: center;
}

.shell {
  width: min(960px, 100%);
  background: rgba(15, 17, 21, 0.85);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: clamp(1.5rem, 3vw, 2.75rem);
  backdrop-filter: blur(18px);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.hero {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin: 0.3rem 0;
}

.lead {
  color: var(--muted);
  max-width: 48ch;
  margin: 0;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--accent);
  margin: 0;
}

.ghost-btn {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.65rem 1.4rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.1s;
}

.ghost-btn:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.status-bar {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
}

.status-bar .hint {
  color: var(--muted);
}

.form-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.4rem;
  background: rgba(10, 12, 17, 0.55);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.2rem;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  color: var(--muted);
  gap: 0.3rem;
}

.form-grid input {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.65rem 0.9rem;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 0.95rem;
}

.form-grid .full-row {
  grid-column: 1 / -1;
}

.primary-btn {
  border: none;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--accent), #6ad1ff);
  color: #0b1019;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.6rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(74, 163, 255, 0.25);
}

.form-status {
  grid-column: 1 / -1;
  font-size: 0.85rem;
  margin: 0;
  color: var(--muted);
}

.form-status.success {
  color: #65e5a6;
}

.form-status.error {
  color: var(--error);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.1rem;
}

.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.4rem;
  text-decoration: none;
  color: inherit;
  min-height: 170px;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  background: var(--accent-soft);
}

.card-label {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-title {
  margin: 0.35rem 0;
  font-size: 1.25rem;
}

.card-desc {
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
  font-size: 0.95rem;
}

.card .arrow {
  position: absolute;
  right: 1.25rem;
  bottom: 1.1rem;
  font-size: 1.35rem;
  color: var(--accent);
  opacity: 0;
  transform: translate(4px, 4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.card:hover .arrow {
  opacity: 1;
  transform: translate(0, 0);
}

.placeholder {
  border-style: dashed;
  display: flex;
  align-items: center;
  justify-content: center;
}

.skeleton {
  border-radius: 999px;
  background: linear-gradient(90deg, #1f242d 0%, #2a303c 50%, #1f242d 100%);
  background-size: 200% 100%;
  animation: shimmer 1.6s infinite;
}

.skeleton.title {
  width: 60%;
  height: 20px;
  margin-bottom: 0.7rem;
}

.skeleton.line {
  width: 100%;
  height: 12px;
  margin-bottom: 0.5rem;
}

.skeleton.line.short {
  width: 40%;
}

.card.state {
  border-style: solid;
  text-align: left;
}

.card.state.error {
  border-color: rgba(255, 95, 95, 0.4);
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@media (max-width: 640px) {
  body {
    padding: 1.5rem 0.75rem;
  }

  .shell {
    border-radius: 18px;
  }

  .status-bar {
    flex-direction: column;
  }

  .ghost-btn {
    width: 100%;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
}