.source-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 40px;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    z-index: 1000;
    border-bottom: 1px solid #f5f5f5;
    backdrop-filter: blur(10px);
    height: 100px;
}

.source-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-decoration: none;
    color: #1a1a1a;
}

.source-logo-text {
    font-family: 'Playfair Display', serif;
    font-size: 2em;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.source-sub-text {
    font-family: 'Playfair Display', serif;
    font-size: 0.8em;
    font-style: italic;
    color: #888;
    margin-top: 2px;
    letter-spacing: 0.5px;
}

.auth-action-btn {
    font-family: 'Source Serif Pro', serif;
    font-weight: 600;
    text-decoration: none;
    color: #1a1a1a;
    border: 1px solid #1a1a1a;
    padding: 8px 20px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.auth-action-btn:hover {
    background: #1a1a1a;
    color: #fff;
}

.user-profile-menu {
    position: relative;
    cursor: pointer;
}

.profile-trigger {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid #eee;
}

.profile-trigger img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 200px;
    background: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    margin-top: 15px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    overflow: hidden;
}

.user-profile-menu.active .profile-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    padding: 15px;
    border-bottom: 1px solid #f5f5f5;
    background: #fafafa;
}

.dropdown-user-name {
    font-weight: 600;
    display: block;
    color: #1a1a1a;
}

.dropdown-user-role {
    font-size: 0.8em;
    color: #888;
}

.dropdown-item {
    display: block;
    padding: 12px 15px;
    text-decoration: none;
    color: #555;
    transition: background 0.2s;
    font-size: 0.95em;
}

.dropdown-item:hover {
    background: #f9f9f9;
    color: #1a1a1a;
}

.source-nav.settings-mode {
    justify-content: flex-end;
    position: sticky;
}

.settings-back-btn {
    position: absolute;
    left: 40px;
    width: 40px;
    height: 40px;
    background: #1a1a1a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 1.2em;
    transition: background 0.3s;
}

.settings-back-btn:hover {
    background: #333;
}

.settings-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.5em;
    font-weight: 700;
    text-transform: uppercase;
    color: #1a1a1a;
}

@media (max-width: 768px) {
    .source-nav {
        padding: 15px 20px;
        height: 70px;
    }

    .source-logo-text {
        font-size: 1.5em;
    }

    .settings-back-btn {
        left: 20px;
        width: 35px;
        height: 35px;
        font-size: 1em;
    }

    .settings-title {
        font-size: 1.1em;
    }
}