:root {
  --bg-0: #0a0b10;
  --bg-1: #10121a;
  --card-bg: rgba(22, 24, 34, 0.72);
  --card-border: rgba(255, 255, 255, 0.08);
  --text-0: #eef0f6;
  --text-1: #9a9db3;
  --accent: #7c5cff;
  --accent-2: #35d0ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-0);
  background:
    radial-gradient(1100px 600px at 15% -10%, rgba(124, 92, 255, 0.16), transparent 60%),
    radial-gradient(900px 500px at 110% 10%, rgba(53, 208, 255, 0.12), transparent 55%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0));
  background-attachment: fixed;
}

.page {
  max-width: 780px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}

.app-header {
  text-align: center;
  margin-bottom: 36px;
}

.app-header h1 {
  margin: 0 0 8px;
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: linear-gradient(120deg, #fff, #b9b4ff 60%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  margin: 0;
  color: var(--text-1);
  font-size: 0.95rem;
}

.tool-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.tool-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 22px 56px 22px 24px;
  text-decoration: none;
  color: var(--text-0);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.04) inset,
    0 12px 40px rgba(0, 0, 0, 0.35);
  transition: transform 0.15s ease, box-shadow 0.25s ease, border-color 0.2s ease;
}

.tool-card:hover {
  transform: translateY(-2px);
  border-color: rgba(124, 92, 255, 0.45);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.06) inset,
    0 16px 44px rgba(0, 0, 0, 0.4),
    0 0 32px rgba(124, 92, 255, 0.25),
    0 0 48px rgba(53, 208, 255, 0.12);
}

.tool-name {
  font-size: 1.1rem;
  font-weight: 600;
}

.tool-description {
  color: var(--text-1);
  font-size: 0.9rem;
}

.tool-arrow {
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-2);
  font-size: 1.3rem;
  transition: transform 0.2s ease;
}

.tool-card:hover .tool-arrow {
  transform: translateY(-50%) translateX(4px);
}

@media (max-width: 520px) {
  .page {
    padding: 40px 16px 60px;
  }
}