/* Header Styles */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 70px;
}

/* Logo Section */
.logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 200px;
}

.logo {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    color: white;
    box-shadow: 0 4px 12px #8b45ff4d;
}

.brand-name {
    color: white;
    font-size: 1.5rem;
    font-weight: 500;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    margin: 0;
}

/* Search Section */
.search-section {
    display: flex;
    align-items: center;
    max-width: 600px;
    flex: 1;
    margin: 0 2rem;
    position: relative;
}

.search-bar {
    width: 100%;
    padding: 0.75rem 1rem;
    padding-right: 3rem;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    outline: none;
}

.search-bar:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(139, 69, 255, 0.1);
    background: var(--surface-color);
}

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

.search-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover {
    color: var(--accent-color);
    background: rgba(139, 69, 255, 0.1);
}

/* User Section */
.user-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 200px;
    justify-content: flex-end;
}

.upload-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(139, 69, 255, 0.3);
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 69, 255, 0.4);
}

.upload-btn:active {
    transform: translateY(0);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.user-profile:hover {
    background: var(--card-background);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

/* Search Results Dropdown */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    margin-top: 0.5rem;
    backdrop-filter: blur(20px);
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: var(--card-background);
}

.search-result-cover {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    object-fit: cover;
    background: var(--card-background);
}

.search-result-info {
    flex: 1;
}

.search-result-title {
    font-weight: 500;
    color: var(--text-primary);
    margin: 0 0 0.25rem 0;
    font-size: 0.9rem;
}

.search-result-details {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: 0;
}

.search-no-results {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

.search-no-results svg {
    color: var(--text-tertiary);
    margin-bottom: 1rem;
}

/* Loading state */
.search-loading {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

.search-loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--accent-color);
    border-radius: 50%;
    display: inline-block;
    animation: spin 1s linear infinite;
    margin-left: 0.5rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}