.app {
  display: flex;
  height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: 260px;
  background: var(--surface);
  padding: 20px;
}

.logo {
  font-size: 22px;
  font-weight: bold;
  color: var(--primary);
  margin-bottom: 20px;
}

.nav-item {
  display: block;
  padding: 7px;
  color: var(--text-light);
  text-decoration: none;
  border-radius: 10px;
  font-size: 15px;
}

.nav-item:hover {
  background: var(--card);
  color: var(--text);
}

.nav-section {
  margin-top: 20px;
  font-size: 12px;
  font-weight: 700;
  color: #00D4FF;
}

/* MAIN */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* HEADER */
.header {
  height: 60px;
  background: var(--surface);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.search {
  width: 300px;
  padding: 8px;
  border-radius: 10px;
  border: none;
  background: var(--card);
  color: white;
}

.btn {
  background: var(--card);
  border: none;
  padding: 8px 12px;
  margin-left: 10px;
  border-radius: 10px;
  color: white;
  cursor: pointer;
  font-weight: 700;
}

.btn:hover {
  background: var(--card);
  border: none;
  padding: 8px 12px;
  margin-left: 10px;
  border-radius: 10px;
  color: #00D4FF;
  cursor: pointer;
  font-weight: 700;
}

/* CONTENT */
.content {
  padding: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

.card {
  background: var(--card);
  padding: 20px;
  border-radius: var(--radius);
}

/* =========================
   FOOTER
   ========================= */
.footer {
    margin-top: 40px;
    padding: 20px 0;
    border-radius: 16px;
    border-top: 1px solid rgba(255,255,255,.08);
    background: rgba(8,16,29,.85);
    backdrop-filter: blur(10px);
}

.footer-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;

    text-align: center;
    line-height: 1.4;
}

.footer-title,
.footer-build {
    color: #FFFFFF;
    font-size: 12px;
    letter-spacing: .5px;
}

.footer-powered {
    color: #00D4FF;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .8px;
    text-shadow: 0 0 8px rgba(0,212,255,.35);
}


@media (max-width: 768px) {
    .footer {
        flex-direction: column;
        gap: 6px;
        height: auto;
        padding: 12px 15px;
        text-align: center;
    }
}