/* ========================================
   LISTENUP - LAYOUT COMPONENTS
   APPLE-INSPIRED MODERN DESIGN
   ======================================== */

/* NAVBAR / TOP BAR - Apple Styled */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--separator);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  z-index: 1000;
  gap: var(--spacing-xl);
}

html[data-theme="light"] .top-bar {
  background: rgba(255, 255, 255, 0.8);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  flex: 1;
  min-width: 0;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* Logo - Minimalist */
.logo {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  letter-spacing: -0.3px;
}

.logo span:first-child {
  font-size: var(--font-size-2xl);
}

/* Search Bar - Apple Styled */
.search-bar {
  display: flex;
  align-items: center;
  background-color: var(--bg-secondary);
  border: 1px solid var(--separator);
  border-radius: var(--radius-lg);
  padding: 8px var(--spacing-md);
  gap: var(--spacing-sm);
  flex: 0 1 320px;
  transition: var(--transition-fast);
}

.search-bar:focus-within {
  border-color: var(--accent-primary);
  background-color: var(--bg-tertiary);
}

.search-bar input {
  background: transparent;
  border: none;
  color: var(--text-primary);
  flex: 1;
  font-size: var(--font-size-sm);
  padding: 0;
  outline: none;
}

.search-bar input::placeholder {
  color: var(--text-tertiary);
}

.search-bar .icon {
  font-size: var(--font-size-md);
  color: var(--text-tertiary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.search-bar .icon:hover {
  color: var(--accent-primary);
}

/* Navigation Links */
.nav-links {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition-fast);
  position: relative;
}

.nav-links a:hover {
  color: var(--accent-primary);
}

.divider {
  width: 1px;
  height: 20px;
  background-color: var(--separator);
}

/* Auth Buttons */
.auth-buttons {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-hover);
  border: 1px solid var(--separator);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: var(--font-size-lg);
}

.theme-toggle:hover {
  background: var(--bg-elevated);
}

.login-btn {
  background: var(--accent-primary);
  color: white;
  padding: 10px 20px;
  font-weight: 600;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-lg);
  min-width: 100px;
  transition: var(--transition-fast);
}

.login-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ========================================
   MAIN CONTENT AREA
   ======================================== */

body {
  padding-top: 60px;
}

.main-layout {
  width: 100%;
  min-height: calc(100vh - 60px);
  background: var(--bg-primary);
}

.content-wrapper {
  max-width: 100%;
  margin: 0 auto;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  padding: var(--spacing-2xl) var(--spacing-lg);
  text-align: center;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.hero h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.5px;
}

.hero p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
  padding: 12px 32px;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: var(--font-size-md);
  transition: var(--transition-fast);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
  padding: 12px 32px;
  border-radius: var(--radius-lg);
  font-weight: 600;
  border: 2px solid var(--accent-primary);
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--accent-primary);
  color: white;
}

.playlist-box p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.create-playlist-btn {
  width: 100%;
  background-color: var(--accent-primary);
  color: #000000;
}

.create-playlist-btn:hover {
  background-color: var(--accent-secondary);
}

/* Sidebar Footer */
.sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-md);
  font-size: var(--font-size-xs);
}

.sidebar-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.sidebar-links a {
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
}

.sidebar-links a:hover {
  color: var(--accent-primary);
  text-decoration: underline;
}

.sidebar-footer-text {
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
}

/* ========================================
   MAIN LAYOUT
   ======================================== */

.main-layout {
  margin-left: 280px;
  margin-top: 70px;
  background-color: var(--bg-primary);
  min-height: calc(100vh - 70px);
  padding: var(--spacing-lg);
}

.main-content {
  max-width: 2000px;
  width: 100%;
}

/* ========================================
   RESPONSIVE LAYOUT - TABLET & BELOW
   ======================================== */

@media (max-width: 1024px) {
  .sidebar {
    width: 240px;
  }
  
  .main-layout {
    margin-left: 240px;
    padding: var(--spacing-md);
  }
  
  .search-bar {
    flex: 0 1 250px;
  }
  
  .nav-links {
    gap: var(--spacing-md);
  }
}

/* ========================================
   RESPONSIVE LAYOUT - MOBILE
   ======================================== */

@media (max-width: 768px) {
  /* Hide sidebar on mobile, use hamburger menu instead */
  .sidebar {
    position: fixed;
    left: 0;
    top: 70px;
    width: 100%;
    height: calc(100vh - 70px);
    z-index: 999;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    border-radius: 0;
    overflow-y: auto;
  }
  
  .sidebar.active {
    transform: translateX(0);
  }
  
  .main-layout {
    margin-left: 0;
    padding: var(--spacing-md);
  }
  
  .top-bar {
    height: 60px;
    padding: 0 var(--spacing-md);
  }
  
  .nav-left {
    flex: 1;
  }
  
  .search-bar {
    flex: 0 1 200px;
    padding: 6px 12px;
  }
  
  .search-bar input {
    font-size: var(--font-size-xs);
  }
  
  .nav-links {
    display: none;
  }
  
  .nav-links.mobile-active {
    position: absolute;
    top: 60px;
    right: 0;
    left: 0;
    background-color: var(--sidebar-bg);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-md);
    z-index: 999;
  }
  
  .hamburger-btn {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    width: 24px;
  }
  
  .hamburger-btn span {
    display: block;
    width: 24px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
  }
  
  .hamburger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }
  
  .hamburger-btn.active span:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: var(--font-size-md);
  }
  
  .search-bar {
    flex: 0 1 150px;
  }
  
  .nav-right {
    gap: var(--spacing-sm);
  }
  
  .divider {
    display: none;
  }
  
  .login-btn {
    padding: 6px 16px;
    font-size: var(--font-size-xs);
    min-width: 80px;
  }
}