/* ===========================
   Global
=========================== */
body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background: #f0f2f5;
  color: #050505;
}

/* ===========================
   Header
=========================== */
header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  background: #fff;
  border-bottom: 1px solid #ddd;
}

.logo {
  font-size: 22px;
  font-weight: bold;
  color: #e60023;
}

.age-warning {
  font-size: 12px;
  color: red;
  font-weight: bold;
}

.header-right {
  display: flex;
  gap: 15px;
  align-items: center;
  font-size: 14px;
}

.header-user {
  font-weight: bold;
  color: #333;
}

header .header-right form {
  display: inline;
  margin: 0;
}

header .header-right button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  font-size: 14px;
  color: #333;
}

/* ===========================
   Sidebar (Desktop)
=========================== */
.sidebar {
  position: fixed;
  top: 70px;
  left: 0;
  display: flex;
  flex-direction: column;
  gap: 25px;
  padding: 10px;
  background: #fff;
  border-right: 1px solid #ddd;
  height: calc(100vh - 70px);
}

.sidebar a {
  font-size: 24px;
  text-decoration: none;
  color: #333;
  transition: 0.3s;
}

.sidebar a:hover {
  color: #e60023;
  transform: scale(1.1);
}

/* ===========================
   Bottom Navbar (Mobile)
=========================== */
@media (max-width: 768px) {
  .sidebar {
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    position: fixed;
    bottom: 0;
    left: 0;
    top: auto;
    height: 60px;
    width: 100%;
    border-right: none;
    border-top: 1px solid #ddd;
    background: #fff;
    box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.1);
    z-index: 9999;
  }

  .sidebar a {
    font-size: 26px;
    color: #555;
    transition: all 0.3s ease;
  }

  .sidebar a:hover {
    color: #e60023;
    transform: scale(1.2);
  }

  .feed-container {
    margin-bottom: 80px; /* space for bottom bar */
  }
}

/* ===========================
   Feed (Home Page)
=========================== */
.feed-container {
  margin-top: 90px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  padding: 10px;
}

.feed-item {
  background: #fff;
  margin-bottom: 16px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  overflow: hidden;
}

.feed-item video,
.feed-item img {
  width: 100%;
  object-fit: cover;
}

.feed-info {
  padding: 10px;
}

/* ===========================
   Footer
=========================== */
footer {
  text-align: center;
  padding: 10px;
  font-size: 12px;
  color: #888;
  margin-top: 20px;
}

/* ===========================
   Login / Signup Box
=========================== */
.login-box {
  max-width: 400px;
  margin: 100px auto;
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.login-box h2 {
  text-align: center;
  margin-bottom: 15px;
}

.login-box button {
  width: 100%;
  padding: 10px;
  background: #e60023;
  border: none;
  color: #fff;
  font-size: 16px;
  border-radius: 6px;
  cursor: pointer;
}

.login-box button:hover {
  background: #cc001f;
}