:root {
  --bg: #0f172a;        /* slate-900 */
  --panel: #111827;     /* gray-900 */
  --muted: #94a3b8;     /* slate-400 */
  --text: #e5e7eb;      /* gray-200 */
  --accent: #60a5fa;    /* blue-400 */
  --ring: #1d4ed8;      /* blue-700 */
  --ok: #22c55e;        /* green-500 */
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 70% -10%, #1f2937 0%, var(--bg) 60%);
  color: var(--text);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  background: var(--panel);
  border-radius: 18px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.35), inset 0 0 0 1px rgba(255,255,255,0.03);
  max-width: 520px;
  width: 100%;
  padding: 2rem 1.5rem;
  text-align: center;
}

h1 {
  margin-bottom: 2rem;
  font-size: 2.1rem;
  letter-spacing: 1px;
  color: var(--accent);
}

.card-row {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.app-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 1.5rem 1.2rem;
  width: 180px;
  min-height: 220px;
  cursor: pointer;
  transition: transform 0.13s, box-shadow 0.13s, border-color 0.13s;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text);
}

.app-card:hover, .app-card:focus {
  transform: translateY(-6px) scale(1.035);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(96,165,250,0.2);
  outline: none;
}

.app-icon {
  font-size: 3rem;
  margin-bottom: 1.1rem;
  color: var(--accent);
}

.app-title {
  font-weight: 600;
  font-size: 1.2rem;
  margin-bottom: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.5px;
}

.app-desc {
  font-size: 0.97rem;
  color: var(--muted);
}

@media (max-width: 600px) {
  .container {
    padding: 1rem 0.2rem;
  }
  .card-row {
    flex-direction: column;
    gap: 1.5rem;
  }
  .app-card {
    width: 90vw;
    min-width: 0;
  }
}